diff options
96 files changed, 3134 insertions, 462 deletions
diff --git a/configure.in b/configure.in index be169b8428..008fa38632 100644 --- a/configure.in +++ b/configure.in @@ -416,7 +416,7 @@ AC_SUBST(NATIVE_LIBS_ENABLED) rm -f $ERL_TOP/lib/SKIP-APPLICATIONS for app in `cd lib && ls -d *`; do var=`eval echo \\$with_$app` - if test X${var} == Xno; then + if test X${var} = Xno; then echo "$app" >> $ERL_TOP/lib/SKIP-APPLICATIONS fi done diff --git a/erts/configure.in b/erts/configure.in index 766e35fb2b..9864d03cde 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -2109,6 +2109,17 @@ AC_CHECK_FUNCS([ieee_handler fpsetmask finite isnan isinf res_gethostbyname dlop flockfile fstat strlcpy strlcat setsid posix2time time2posix \ setlocale nl_langinfo poll mlockall]) +AC_MSG_CHECKING([for isfinite]) +AC_TRY_LINK([#include <math.h>], + [isfinite(0);], have_isfinite=yes, have_isfinite=no), + +if test $have_isfinite = yes; then + AC_DEFINE(HAVE_ISFINITE,[1], + [Define to 1 if you have the `isfinite' function.]) + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi case X$erl_xcomp_posix_memalign in Xno) ;; @@ -4817,7 +4828,7 @@ AH_BOTTOM([ #define HAVE_GETHRVTIME #endif -#ifndef HAVE_FINITE +#if !defined(HAVE_ISFINITE) && !defined(HAVE_FINITE) # if defined(HAVE_ISINF) && defined(HAVE_ISNAN) # define USE_ISINF_ISNAN # endif diff --git a/erts/doc/src/crash_dump.xml b/erts/doc/src/crash_dump.xml index d3de29b876..2b5fc877c3 100644 --- a/erts/doc/src/crash_dump.xml +++ b/erts/doc/src/crash_dump.xml @@ -115,8 +115,9 @@ sockets/pipes can be used simultaneously by Erlang (due to limitations in the Unix <c><![CDATA[select]]></c> call). The number of open regular files is not affected by this.</item> - <item>"Received SIGUSR1" - The SIGUSR1 signal was sent to the - Erlang machine (Unix only).</item> + <item>"Received SIGUSR1" - Sending the SIGUSR1 signal to a + Erlang machine (Unix only) forces a crash dump. This slogan reflects + that the Erlang machine crash-dumped due to receiving that signal.</item> <item>"Kernel pid terminated (<em>Who</em>) (<em>Exit-reason</em>)" - The kernel supervisor has detected a failure, usually that the <c><![CDATA[application_controller]]></c> diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index f856b9ab86..d11f6b0c6d 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -525,7 +525,8 @@ core dump and no crash dump if an internal error is detected.</p> <p>Calling <c>erlang:halt/1</c> with a string argument will still - produce a crash dump.</p> + produce a crash dump. On Unix systems, sending an emulator process + a SIGUSR1 signal will also force a crash dump.</p> </item> <tag><marker id="+e"><c><![CDATA[+e Number]]></c></marker></tag> <item> @@ -1141,6 +1142,23 @@ <p>For more information, see <seealso marker="erlang#system_info_cpu_topology">erlang:system_info(cpu_topology)</seealso>.</p> </item> + <tag><marker id="+secio"><c>+secio true|false</c></marker></tag> + <item> + <p>Enable or disable eager check I/O scheduling. The default + is currently <c>false</c>, but will most likely be changed + to <c>true</c> in OTP 18. The behaviour before this flag + was introduced corresponds to <c>+secio false</c>.</p> + <p>The flag effects when schedulers will check for I/O + operations possible to execute, and when such I/O operations + will execute. As the name of the parameter implies, + schedulers will be more eager to check for I/O when + <c>true</c> is passed. This however also implies that + execution of outstanding I/O operation will not be + prioritized to the same extent as when <c>false</c> is + passed.</p> + <p><seealso marker="erlang#system_info_eager_check_io"><c>erlang:system_info(eager_check_io)</c></seealso> + returns the value of this parameter used when starting the VM.</p> + </item> <tag><marker id="+sfwi"><c>+sfwi Interval</c></marker></tag> <item> <p>Set scheduler forced wakeup interval. All run queues will diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml index 4a1aab75c7..77fc906aca 100644 --- a/erts/doc/src/erl_driver.xml +++ b/erts/doc/src/erl_driver.xml @@ -2033,7 +2033,8 @@ ERL_DRV_MAP int sz entry function is called. If <c>ready_async</c> is null in the driver entry, the <c>async_free</c> function is called instead.</p> - <p>The return value is a handle to the asynchronous task.</p> + <p>The return value is -1 if the <c>driver_async</c> call + fails.</p> <note> <p>As of erts version 5.5.4.3 the default stack size for threads in the async-thread pool is 16 kilowords, diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 84168397f6..111756407f 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -5775,6 +5775,7 @@ ok <name name="system_info" arity="1" clause_i="52"/> <name name="system_info" arity="1" clause_i="53"/> <name name="system_info" arity="1" clause_i="54"/> + <name name="system_info" arity="1" clause_i="55"/> <fsummary>Information about the system</fsummary> <desc> <p>Returns various information about the current system @@ -5970,6 +5971,16 @@ ok The return value will always be <c>false</c> since the elib_malloc allocator has been removed.</p> </item> + <tag><marker id="system_info_eager_check_io"><c>eager_check_io</c></marker></tag> + <item> + <p> + Returns the value of the <c>erl</c> + <seealso marker="erl#+secio">+secio</seealso> command line + flag which is either <c>true</c> or <c>false</c>. See the + documentation of the command line flag for information about + the different values. + </p> + </item> <tag><c>ets_limit</c></tag> <item> <p>Returns the maximum number of ETS tables allowed. This limit diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 743369951f..7bc39fd351 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -30,6 +30,31 @@ </header> <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 6.2.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix bug when an migrated empty memory carrier is reused + just before it should be destroyed by the thread that + created it.</p> + <p> + Own Id: OTP-12249</p> + </item> + <item> + <p> + Repair run_erl terminal window size adjustment sent from + to_erl. This was broken in OTP 17.0 which could lead to + strange cursor behaviour in the to_erl shell.</p> + <p> + Own Id: OTP-12275 Aux Id: seq12739 </p> + </item> + </list> + </section> + +</section> + <section><title>Erts 6.2</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/erts/emulator/beam/beam_ranges.c b/erts/emulator/beam/beam_ranges.c index 0f2d5d0c2a..cb6470638f 100644 --- a/erts/emulator/beam/beam_ranges.c +++ b/erts/emulator/beam/beam_ranges.c @@ -282,7 +282,7 @@ find_range(BeamInstr* pc) while (low < high) { if (pc < mid->start) { high = mid; - } else if (pc > RANGE_END(mid)) { + } else if (pc >= RANGE_END(mid)) { low = mid + 1; } else { erts_smp_atomic_set_nob(&r[active].mid, (erts_aint_t) mid); diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index a5be8e1529..42dd160e38 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -2772,6 +2772,7 @@ static int do_list_to_integer(Process *p, Eterm orig_list, Eterm *integer, Eterm *rest) { Sint i = 0; + Uint ui = 0; int skip = 0; int neg = 0; int n = 0; @@ -2825,8 +2826,8 @@ static int do_list_to_integer(Process *p, Eterm orig_list, unsigned_val(CAR(list_val(lst))) > '9') { break; } - i = i * 10; - i = i + unsigned_val(CAR(list_val(lst))) - '0'; + ui = ui * 10; + ui = ui + unsigned_val(CAR(list_val(lst))) - '0'; n++; lst = CDR(list_val(lst)); if (is_nil(lst)) { @@ -2850,7 +2851,8 @@ static int do_list_to_integer(Process *p, Eterm orig_list, */ if (n <= SMALL_DIGITS) { /* It must be small */ - if (neg) i = -i; + if (neg) i = -(Sint)ui; + else i = (Sint)ui; res = make_small(i); } else { lg2 = (n+1)*230/69+1; diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index a8710dd910..de7d370938 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -274,10 +274,9 @@ _b = _b << _s; \ _vn1 = _b >> H_EXP; \ _vn0 = _b & LO_MASK; \ - /* Sometimes _s is 0 which triggers undefined behaviour for the \ - (_a0>>(D_EXP-_s)) shift, but this is ok because the \ - & -s will make it all to 0 later anyways. */ \ - _un32 = (_a1 << _s) | ((_a0>>(D_EXP-_s)) & (-_s >> (D_EXP-1))); \ + /* If needed to avoid undefined behaviour */ \ + if (_s) _un32 = (_a1 << _s) | ((_a0>>(D_EXP-_s)) & (-_s >> (D_EXP-1))); \ + else _un32 = _a1; \ _un10 = _a0 << _s; \ _un1 = _un10 >> H_EXP; \ _un0 = _un10 & LO_MASK; \ diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index df33bbc2f7..21434eb117 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -398,6 +398,7 @@ type DRV_EV_STATE LONG_LIVED SYSTEM driver_event_state type DRV_EV_D_STATE FIXED_SIZE SYSTEM driver_event_data_state type DRV_SEL_D_STATE FIXED_SIZE SYSTEM driver_select_data_state type FD_LIST SHORT_LIVED SYSTEM fd_list +type ACTIVE_FD_ARR SHORT_LIVED SYSTEM active_fd_array type POLLSET LONG_LIVED SYSTEM pollset type POLLSET_UPDREQ SHORT_LIVED SYSTEM pollset_update_req type POLL_FDS LONG_LIVED SYSTEM poll_fds diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index a4e164bf51..55052430e1 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -1775,6 +1775,18 @@ handle_delayed_dealloc(Allctr_t *allctr, * data has been overwritten by the queue. */ Carrier_t *crr = FIRST_BLK_TO_MBC(allctr, blk); + + /* Restore word overwritten by the dd-queue as it will be read + * if this carrier is pulled from dc_list by cpool_fetch() + */ + ERTS_ALC_CPOOL_ASSERT(FBLK_TO_MBC(blk) != crr); + ERTS_ALC_CPOOL_ASSERT(sizeof(ErtsAllctrDDBlock_t) == sizeof(void*)); +#ifdef MBC_ABLK_OFFSET_BITS + blk->u.carrier = crr; +#else + blk->carrier = crr; +#endif + ERTS_ALC_CPOOL_ASSERT(ERTS_ALC_IS_CPOOL_ENABLED(allctr)); ERTS_ALC_CPOOL_ASSERT(allctr == crr->cpool.orig_allctr); ERTS_ALC_CPOOL_ASSERT(((erts_aint_t) allctr) diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index e977c2ec5f..0a8f0b5758 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -2696,6 +2696,9 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) ? am_disabled : am_enabled); } + else if (ERTS_IS_ATOM_STR("eager_check_io",BIF_ARG_1)) { + BIF_RET(erts_eager_check_io ? am_true : am_false); + } BIF_ERROR(BIF_P, BADARG); } @@ -3304,17 +3307,38 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1) BIF_RET(make_small((Uint) words)); } else if (ERTS_IS_ATOM_STR("check_io_debug", BIF_ARG_1)) { - /* Used by (emulator) */ - int res; + /* Used by driver_SUITE (emulator) */ + Uint sz, *szp; + Eterm res, *hp, **hpp; + int no_errors; + ErtsCheckIoDebugInfo ciodi = {0}; #ifdef HAVE_ERTS_CHECK_IO_DEBUG erts_smp_proc_unlock(BIF_P,ERTS_PROC_LOCK_MAIN); - res = erts_check_io_debug(); + no_errors = erts_check_io_debug(&ciodi); erts_smp_proc_lock(BIF_P,ERTS_PROC_LOCK_MAIN); #else - res = 0; + no_errors = 0; #endif - ASSERT(res >= 0); - BIF_RET(erts_make_integer((Uint) res, BIF_P)); + sz = 0; + szp = &sz; + hpp = NULL; + while (1) { + res = erts_bld_tuple(hpp, szp, 4, + erts_bld_uint(hpp, szp, + (Uint) no_errors), + erts_bld_uint(hpp, szp, + (Uint) ciodi.no_used_fds), + erts_bld_uint(hpp, szp, + (Uint) ciodi.no_driver_select_structs), + erts_bld_uint(hpp, szp, + (Uint) ciodi.no_driver_event_structs)); + if (hpp) + break; + hp = HAlloc(BIF_P, sz); + szp = NULL; + hpp = &hp; + } + BIF_RET(res); } else if (ERTS_IS_ATOM_STR("process_info_args", BIF_ARG_1)) { /* Used by process_SUITE (emulator) */ diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 88c4006934..61f8385efc 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -548,6 +548,8 @@ void erts_usage(void) erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); erts_fprintf(stderr, "-sct cput set cpu topology,\n"); erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); + erts_fprintf(stderr, "-secio bool enable/disable eager check I/O scheduling,\n"); + erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); #if ERTS_HAVE_SCHED_UTIL_BALANCING_SUPPORT_OPT erts_fprintf(stderr, "-sub bool enable/disable scheduler utilization balancing,\n"); #else @@ -1674,6 +1676,22 @@ erl_start(int argc, char **argv) erts_usage(); } } + else if (has_prefix("ecio", sub_param)) { + arg = get_arg(sub_param+4, argv[i+1], &i); +#ifndef __OSE__ + if (sys_strcmp("true", arg) == 0) + erts_eager_check_io = 1; + else +#endif + if (sys_strcmp("false", arg) == 0) + erts_eager_check_io = 0; + else { + erts_fprintf(stderr, + "bad schedule eager check I/O value '%s'\n", + arg); + erts_usage(); + } + } else if (has_prefix("pp", sub_param)) { arg = get_arg(sub_param+2, argv[i+1], &i); if (sys_strcmp(arg, "true") == 0) diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index 226fc199a1..849024453c 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -241,21 +241,10 @@ extern TWinDynNifCallbacks WinDynNifCallbacks; # else # define ERL_NIF_INIT_DECL(MODNAME) __declspec(dllexport) ErlNifEntry* nif_init(TWinDynNifCallbacks* callbacks) # endif -# ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT -# define ERL_NIF_INIT_BODY do { \ - memcpy(&WinDynNifCallbacks,callbacks,sizeof(TWinDynNifCallbacks)); \ - entry.options = ERL_NIF_DIRTY_NIF_OPTION; \ - } while(0) -# else -# define ERL_NIF_INIT_BODY memcpy(&WinDynNifCallbacks,callbacks,sizeof(TWinDynNifCallbacks)) -# endif +# define ERL_NIF_INIT_BODY memcpy(&WinDynNifCallbacks,callbacks,sizeof(TWinDynNifCallbacks)) #else # define ERL_NIF_INIT_GLOB -# ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT -# define ERL_NIF_INIT_BODY entry.options = ERL_NIF_DIRTY_NIF_OPTION -# else -# define ERL_NIF_INIT_BODY -# endif +# define ERL_NIF_INIT_BODY # ifdef STATIC_ERLANG_NIF # define ERL_NIF_INIT_DECL(MODNAME) ErlNifEntry* MODNAME ## _nif_init(void) # else @@ -263,6 +252,11 @@ extern TWinDynNifCallbacks WinDynNifCallbacks; # endif #endif +#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT +# define ERL_NIF_ENTRY_OPTIONS ERL_NIF_DIRTY_NIF_OPTION +#else +# define ERL_NIF_ENTRY_OPTIONS 0 +#endif #ifdef __cplusplus } @@ -288,7 +282,8 @@ ERL_NIF_INIT_DECL(NAME) \ sizeof(FUNCS) / sizeof(*FUNCS), \ FUNCS, \ LOAD, RELOAD, UPGRADE, UNLOAD, \ - ERL_NIF_VM_VARIANT \ + ERL_NIF_VM_VARIANT, \ + ERL_NIF_ENTRY_OPTIONS \ }; \ ERL_NIF_INIT_BODY; \ return &entry; \ diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index 682f6f8f4b..2aa0a27197 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -32,6 +32,7 @@ #include "global.h" #include "erl_port_task.h" #include "dist.h" +#include "erl_check_io.h" #include "dtrace-wrapper.h" #include <stdarg.h> @@ -550,6 +551,16 @@ reset_handle(ErtsPortTask *ptp) } static ERTS_INLINE void +reset_executed_io_task_handle(ErtsPortTask *ptp) +{ + if (ptp->u.alive.handle) { + ASSERT(ptp == handle2task(ptp->u.alive.handle)); + erts_io_notify_port_task_executed(ptp->u.alive.handle); + reset_port_task_handle(ptp->u.alive.handle); + } +} + +static ERTS_INLINE void set_handle(ErtsPortTask *ptp, ErtsPortTaskHandle *pthp) { ptp->u.alive.handle = pthp; @@ -1396,10 +1407,7 @@ erts_port_task_schedule(Eterm id, erts_aint32_t act, add_flags; unsigned int prof_runnable_ports; - if (pthp && erts_port_task_is_scheduled(pthp)) { - ASSERT(0); - erts_port_task_abort(pthp); - } + ERTS_LC_ASSERT(!pthp || !erts_port_task_is_scheduled(pthp)); ASSERT(is_internal_port(id)); @@ -1699,8 +1707,6 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) goto aborted_port_task; } - reset_handle(ptp); - if (erts_system_monitor_long_schedule != 0) { start_time = erts_timestamp_millis(); } @@ -1711,6 +1717,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) switch (ptp->type) { case ERTS_PORT_TASK_TIMEOUT: + reset_handle(ptp); reds = ERTS_PORT_REDS_TIMEOUT; if (!(state & ERTS_PORT_SFLGS_DEAD)) { DTRACE_DRIVER(driver_timeout, pp); @@ -1725,6 +1732,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) for input and output */ (*pp->drv_ptr->ready_input)((ErlDrvData) pp->drv_data, ptp->u.alive.td.io.event); + reset_executed_io_task_handle(ptp); io_tasks_executed++; break; case ERTS_PORT_TASK_OUTPUT: @@ -1733,6 +1741,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) DTRACE_DRIVER(driver_ready_output, pp); (*pp->drv_ptr->ready_output)((ErlDrvData) pp->drv_data, ptp->u.alive.td.io.event); + reset_executed_io_task_handle(ptp); io_tasks_executed++; break; case ERTS_PORT_TASK_EVENT: @@ -1742,10 +1751,12 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) (*pp->drv_ptr->event)((ErlDrvData) pp->drv_data, ptp->u.alive.td.io.event, ptp->u.alive.td.io.event_data); + reset_executed_io_task_handle(ptp); io_tasks_executed++; break; case ERTS_PORT_TASK_PROC_SIG: { ErtsProc2PortSigData *sigdp = &ptp->u.alive.td.psig.data; + reset_handle(ptp); ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0); if (!pp->sched.taskq.bpq) reds = ptp->u.alive.td.psig.callback(pp, @@ -1763,6 +1774,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) break; } case ERTS_PORT_TASK_DIST_CMD: + reset_handle(ptp); reds = erts_dist_command(pp, CONTEXT_REDS - pp->reds); break; default: diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h index 9ef0cfcedc..406cd3c492 100644 --- a/erts/emulator/beam/erl_port_task.h +++ b/erts/emulator/beam/erl_port_task.h @@ -156,7 +156,7 @@ erts_port_task_handle_init(ErtsPortTaskHandle *pthp) ERTS_GLB_INLINE int erts_port_task_is_scheduled(ErtsPortTaskHandle *pthp) { - return ((void *) erts_smp_atomic_read_nob(pthp)) != NULL; + return ((void *) erts_smp_atomic_read_acqb(pthp)) != NULL; } ERTS_GLB_INLINE void erts_port_task_pre_init_sched(ErtsPortTaskSched *ptsp, diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 20a88ec581..e5bb1203c8 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -148,6 +148,12 @@ extern BeamInstr beam_apply[]; extern BeamInstr beam_exit[]; extern BeamInstr beam_continue_exit[]; +#ifdef __OSE__ +/* Eager check I/O not supported on OSE yet. */ +int erts_eager_check_io = 0; +#else +int erts_eager_check_io = 0; +#endif int erts_sched_compact_load; int erts_sched_balance_util = 0; Uint erts_no_schedulers; @@ -2381,29 +2387,47 @@ try_set_sys_scheduling(void) #endif static ERTS_INLINE int -prepare_for_sys_schedule(ErtsSchedulerData *esdp) +prepare_for_sys_schedule(ErtsSchedulerData *esdp, int non_blocking) { + if (non_blocking && erts_eager_check_io) { #ifdef ERTS_SMP - while (!erts_port_task_have_outstanding_io_tasks() - && try_set_sys_scheduling()) { #ifdef ERTS_SCHED_ONLY_POLL_SCHED_1 - if (esdp->no != 1) { - /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used - then we make sure to wake scheduler 1 */ - ErtsRunQueue *rq = ERTS_RUNQ_IX(0); - clear_sys_scheduling(); - wake_scheduler(rq); - return 0; - } + if (esdp->no != 1) { + /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used + then we make sure to wake scheduler 1 */ + ErtsRunQueue *rq = ERTS_RUNQ_IX(0); + wake_scheduler(rq); + return 0; + } #endif - if (!erts_port_task_have_outstanding_io_tasks()) + return try_set_sys_scheduling(); +#else return 1; - clear_sys_scheduling(); +#endif } - return 0; + else { +#ifdef ERTS_SMP + while (!erts_port_task_have_outstanding_io_tasks() + && try_set_sys_scheduling()) { +#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1 + if (esdp->no != 1) { + /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used + then we make sure to wake scheduler 1 */ + ErtsRunQueue *rq = ERTS_RUNQ_IX(0); + clear_sys_scheduling(); + wake_scheduler(rq); + return 0; + } +#endif + if (!erts_port_task_have_outstanding_io_tasks()) + return 1; + clear_sys_scheduling(); + } + return 0; #else - return !erts_port_task_have_outstanding_io_tasks(); + return !erts_port_task_have_outstanding_io_tasks(); #endif + } } #ifdef ERTS_SMP @@ -2780,7 +2804,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) * be waiting in erl_sys_schedule() */ - if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(esdp)) { + if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(esdp, 0)) { sched_waiting(esdp->no, rq); @@ -2944,7 +2968,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) * Got to check that we still got I/O tasks; otherwise * we have to continue checking for I/O... */ - if (!prepare_for_sys_schedule(esdp)) { + if (!prepare_for_sys_schedule(esdp, 0)) { spincount *= ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT; goto tse_wait; } @@ -2966,7 +2990,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) * Got to check that we still got I/O tasks; otherwise * we have to wait in erl_sys_schedule() after all... */ - if (!prepare_for_sys_schedule(esdp)) { + if (!prepare_for_sys_schedule(esdp, 0)) { /* * Not allowed to wait in erl_sys_schedule; * do tse wait instead... @@ -9200,7 +9224,7 @@ Process *schedule(Process *p, int calls) } else if (!ERTS_SCHEDULER_IS_DIRTY(esdp) && (fcalls > input_reductions && - prepare_for_sys_schedule(esdp))) { + prepare_for_sys_schedule(esdp, !0))) { /* * Schedule system-level activities. */ @@ -9208,8 +9232,6 @@ Process *schedule(Process *p, int calls) erts_smp_atomic32_set_relb(&function_calls, 0); fcalls = 0; - ASSERT(!erts_port_task_have_outstanding_io_tasks()); - #if 0 /* Not needed since we wont wait in sys schedule */ erts_sys_schedule_interrupt(0); #endif @@ -9241,7 +9263,9 @@ Process *schedule(Process *p, int calls) if (RUNQ_READ_LEN(&rq->ports.info.len)) { int have_outstanding_io; have_outstanding_io = erts_port_task_execute(rq, &esdp->current_port); - if ((have_outstanding_io && fcalls > 2*input_reductions) + if ((!erts_eager_check_io + && have_outstanding_io + && fcalls > 2*input_reductions) || rq->halt_in_progress) { /* * If we have performed more than 2*INPUT_REDUCTIONS since diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 3b0798207e..27a3a3553b 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -104,6 +104,7 @@ struct saved_calls { }; extern Export exp_send, exp_receive, exp_timeout; +extern int erts_eager_check_io; extern int erts_sched_compact_load; extern int erts_sched_balance_util; extern Uint erts_no_schedulers; diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 3d8dd9c6d0..c29d4b3777 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -66,8 +66,12 @@ */ #ifndef ERTS_SYS_FD_TYPE +#define ERTS_SYS_FD_INVALID ((ErtsSysFdType) -1) typedef int ErtsSysFdType; #else +#ifndef ERTS_SYS_FD_INVALID +# error missing ERTS_SYS_FD_INVALID +#endif typedef ERTS_SYS_FD_TYPE ErtsSysFdType; #endif @@ -501,7 +505,7 @@ extern volatile int erts_writing_erl_crash_dump; # define NO_ERF # define NO_ERFC /* This definition doesn't take NaN into account, but matherr() gets those */ -# define finite(x) (fabs(x) != HUGE_VAL) +# define isfinite(x) (fabs(x) != HUGE_VAL) # define USE_MATHERR # define HAVE_FINITE #endif @@ -744,6 +748,14 @@ void init_getenv_state(GETENV_STATE *); char * getenv_string(GETENV_STATE *); void fini_getenv_state(GETENV_STATE *); +#define HAVE_ERTS_CHECK_IO_DEBUG +typedef struct { + int no_used_fds; + int no_driver_select_structs; + int no_driver_event_structs; +} ErtsCheckIoDebugInfo; +int erts_check_io_debug(ErtsCheckIoDebugInfo *ip); + /* xxxP */ #define SYS_DEFAULT_FLOAT_DECIMALS 20 void init_sys_float(void); diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 55f9e68e78..f20e6e5665 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -48,6 +48,7 @@ #include "erl_sched_spec_pre_alloc.h" #include "beam_bp.h" #include "erl_ptab.h" +#include "erl_check_io.h" #undef M_TRIM_THRESHOLD #undef M_TOP_PAD diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 891589d1c5..db8a251fdd 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -4542,11 +4542,13 @@ static ErlDrvSSizeT inet_ctl_fdopen(inet_descriptor* desc, int domain, int type, inet_address name; unsigned int sz = sizeof(name); - /* check that it is a socket and that the socket is bound */ - if (IS_SOCKET_ERROR(sock_name(s, (struct sockaddr*) &name, &sz))) - return ctl_error(sock_errno(), rbuf, rsize); - if (name.sa.sa_family != domain) - return ctl_error(EINVAL, rbuf, rsize); + if (bound) { + /* check that it is a socket and that the socket is bound */ + if (IS_SOCKET_ERROR(sock_name(s, (struct sockaddr*) &name, &sz))) + return ctl_error(sock_errno(), rbuf, rsize); + if (name.sa.sa_family != domain) + return ctl_error(EINVAL, rbuf, rsize); + } #ifdef __OSE__ /* for fdopen duplicating the sd will allow to uniquely identify the signal from OSE with erlang port */ diff --git a/erts/emulator/drivers/win32/win_efile.c b/erts/emulator/drivers/win32/win_efile.c index a321bb9641..7e4043fc1b 100644 --- a/erts/emulator/drivers/win32/win_efile.c +++ b/erts/emulator/drivers/win32/win_efile.c @@ -1288,6 +1288,10 @@ do_fileinfo(Efile_call_state* state, Efile_info* pInfo, { HANDLE handle; /* Handle returned by CreateFile() */ BY_HANDLE_FILE_INFORMATION fileInfo; /* from CreateFile() */ + + /* We initialise nNumberOfLinks as GetFileInformationByHandle + does not always initialise this field */ + fileInfo.nNumberOfLinks = 1; if (handle = CreateFileW(name, GENERIC_READ, FILE_SHARE_FLAGS, NULL, OPEN_EXISTING, 0, NULL)) { GetFileInformationByHandle(handle, &fileInfo); diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c index 2497d51df1..c9eee2acf2 100644 --- a/erts/emulator/hipe/hipe_bif0.c +++ b/erts/emulator/hipe/hipe_bif0.c @@ -1022,7 +1022,7 @@ BIF_RETTYPE hipe_conv_big_to_float(BIF_ALIST_1) */ void hipe_emulate_fpe(Process* p) { - if (!finite(p->hipe.float_result)) { + if (!isfinite(p->hipe.float_result)) { p->fp_exception = 1; } } diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c index 4ddc2790b1..1ae1d17b7f 100644 --- a/erts/emulator/hipe/hipe_mode_switch.c +++ b/erts/emulator/hipe/hipe_mode_switch.c @@ -2,7 +2,7 @@ * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2013. All Rights Reserved. + * Copyright Ericsson AB 2001-2014. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -187,6 +187,9 @@ void hipe_set_call_trap(Uint *bfun, void *nfun, int is_closure) void hipe_reserve_beam_trap_frame(Process *p, Eterm reg[], unsigned arity) { + if (!hipe_bifcall_from_native_is_recursive(p)) + return; + /* ensure that at least 2 words are available on the BEAM stack */ if ((p->stop - 2) < p->htop) { DPRINTF("calling gc to reserve BEAM stack size"); @@ -195,25 +198,26 @@ void hipe_reserve_beam_trap_frame(Process *p, Eterm reg[], unsigned arity) } p->stop -= 2; p->stop[0] = NIL; - p->stop[1] = NIL; + p->stop[1] = hipe_beam_catch_throw; } static __inline__ void hipe_push_beam_trap_frame(Process *p, Eterm reg[], unsigned arity) { - if (p->flags & F_DISABLE_GC) { + if (&p->stop[1] < p->hend && p->stop[1] == hipe_beam_catch_throw) { /* Trap frame already reserved */ - ASSERT(p->stop[0] == NIL && p->stop[1] == NIL); + ASSERT(p->stop[0] == NIL); } else { + ASSERT(!(p->flags & F_DISABLE_GC)); if ((p->stop - 2) < p->htop) { DPRINTF("calling gc to increase BEAM stack size"); p->fcalls -= erts_garbage_collect(p, 2, reg, arity); ASSERT(!((p->stop - 2) < p->htop)); } p->stop -= 2; + p->stop[1] = hipe_beam_catch_throw; } - p->stop[1] = hipe_beam_catch_throw; p->stop[0] = make_cp(p->cp); ++p->catches; p->cp = hipe_beam_pc_return; @@ -221,12 +225,16 @@ hipe_push_beam_trap_frame(Process *p, Eterm reg[], unsigned arity) void hipe_unreserve_beam_trap_frame(Process *p) { - ASSERT(p->stop[0] == NIL && p->stop[1] == NIL); + if (!hipe_bifcall_from_native_is_recursive(p)) + return; + + ASSERT(p->stop[0] == NIL && p->stop[1] == hipe_beam_catch_throw); p->stop += 2; } static __inline__ void hipe_pop_beam_trap_frame(Process *p) { + ASSERT(p->stop[1] == hipe_beam_catch_throw); p->cp = cp_val(p->stop[0]); --p->catches; p->stop += 2; diff --git a/erts/emulator/hipe/hipe_risc_glue.h b/erts/emulator/hipe/hipe_risc_glue.h index cc2671c016..dbb7086dae 100644 --- a/erts/emulator/hipe/hipe_risc_glue.h +++ b/erts/emulator/hipe/hipe_risc_glue.h @@ -214,6 +214,14 @@ hipe_trap_from_native_is_recursive(Process *p) return 0; } +/* Native called BIF. Is it a recursive call? + i.e should we return back to native when BIF is done? */ +static __inline__ int +hipe_bifcall_from_native_is_recursive(Process *p) +{ + return (p->hipe.nra != (void(*)(void))&nbif_return); +} + /* Native makes a call which needs to unload the parameters. This differs from hipe_call_from_native_is_recursive() in diff --git a/erts/emulator/hipe/hipe_x86_glue.h b/erts/emulator/hipe/hipe_x86_glue.h index 63ad250d60..4b6e495b9a 100644 --- a/erts/emulator/hipe/hipe_x86_glue.h +++ b/erts/emulator/hipe/hipe_x86_glue.h @@ -207,6 +207,14 @@ hipe_trap_from_native_is_recursive(Process *p) return 0; } +/* Native called BIF. Is it a recursive call? + i.e should we return back to native when BIF is done? */ +static __inline__ int +hipe_bifcall_from_native_is_recursive(Process *p) +{ + return (*p->hipe.nsp != (Eterm)nbif_return); +} + /* Native makes a call which needs to unload the parameters. This differs from hipe_call_from_native_is_recursive() in diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c index 1db673e7f3..81cb5dc4bb 100644 --- a/erts/emulator/sys/common/erl_check_io.c +++ b/erts/emulator/sys/common/erl_check_io.c @@ -52,8 +52,17 @@ typedef char EventStateType; #define ERTS_EV_TYPE_STOP_USE ((EventStateType) 3) /* pending stop_select */ typedef char EventStateFlags; -#define ERTS_EV_FLAG_USED ((EventStateFlags) 1) /* ERL_DRV_USE has been turned on */ +#define ERTS_EV_FLAG_USED ((EventStateFlags) 1) /* ERL_DRV_USE has been turned on */ +#define ERTS_EV_FLAG_DEFER_IN_EV ((EventStateFlags) 2) +#define ERTS_EV_FLAG_DEFER_OUT_EV ((EventStateFlags) 4) +#ifdef DEBUG +# define ERTS_ACTIVE_FD_INC 2 +#else +# define ERTS_ACTIVE_FD_INC 128 +#endif + +#define ERTS_CHECK_IO_POLL_RES_LEN 512 #if defined(ERTS_KERNEL_POLL_VERSION) # define ERTS_CIO_EXPORT(FUNC) FUNC ## _kp @@ -67,6 +76,7 @@ typedef char EventStateFlags; (ERTS_POLL_USE_POLL && !ERTS_POLL_USE_KERNEL_POLL) #define ERTS_CIO_POLL_CTL ERTS_POLL_EXPORT(erts_poll_control) +#define ERTS_CIO_POLL_CTLV ERTS_POLL_EXPORT(erts_poll_controlv) #define ERTS_CIO_POLL_WAIT ERTS_POLL_EXPORT(erts_poll_wait) #ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT #define ERTS_CIO_POLL_AS_INTR ERTS_POLL_EXPORT(erts_poll_async_sig_interrupt) @@ -85,6 +95,13 @@ static struct pollset_info { ErtsPollSet ps; erts_smp_atomic_t in_poll_wait; /* set while doing poll */ + struct { + int six; /* start index */ + int eix; /* end index */ + erts_smp_atomic32_t no; + int size; + ErtsSysFdType *array; + } active_fd; #ifdef ERTS_SMP struct removed_fd* removed_list; /* list of deselected fd's*/ erts_smp_spinlock_t removed_list_lock; @@ -97,9 +114,11 @@ typedef struct { SafeHashBucket hb; #endif ErtsSysFdType fd; - union { - ErtsDrvEventDataState *event; /* ERTS_EV_TYPE_DRV_EV */ + struct { ErtsDrvSelectDataState *select; /* ERTS_EV_TYPE_DRV_SEL */ +#if ERTS_CIO_HAVE_DRV_EVENT + ErtsDrvEventDataState *event; /* ERTS_EV_TYPE_DRV_EV */ +#endif erts_driver_t* drv_ptr; /* ERTS_EV_TYPE_STOP_USE */ } driver; ErtsPollEvents events; @@ -169,6 +188,10 @@ static ERTS_INLINE ErtsDrvEventState* hash_new_drv_ev_state(ErtsSysFdType fd) ErtsDrvEventState tmpl; tmpl.fd = fd; tmpl.driver.select = NULL; +#if ERTS_CIO_HAVE_DRV_EVENT + tmpl.driver.event = NULL; +#endif + tmpl.driver.drv_ptr = NULL; tmpl.events = 0; tmpl.remove_cnt = 0; tmpl.type = ERTS_EV_TYPE_NONE; @@ -209,6 +232,65 @@ ERTS_SCHED_PREF_QUICK_ALLOC_IMPL(removed_fd, struct removed_fd, 64, ERTS_ALC_T_F #endif static ERTS_INLINE void +init_iotask(ErtsIoTask *io_task) +{ + erts_port_task_handle_init(&io_task->task); + erts_smp_atomic_init_nob(&io_task->executed_time, ~((erts_aint_t) 0)); +} + +static ERTS_INLINE int +is_iotask_active(ErtsIoTask *io_task, erts_aint_t current_cio_time) +{ + if (erts_port_task_is_scheduled(&io_task->task)) + return 1; + if (erts_smp_atomic_read_nob(&io_task->executed_time) == current_cio_time) + return 1; + return 0; +} + +static ERTS_INLINE ErtsDrvSelectDataState * +alloc_drv_select_data(void) +{ + ErtsDrvSelectDataState *dsp = erts_alloc(ERTS_ALC_T_DRV_SEL_D_STATE, + sizeof(ErtsDrvSelectDataState)); + dsp->inport = NIL; + dsp->outport = NIL; + init_iotask(&dsp->iniotask); + init_iotask(&dsp->outiotask); + return dsp; +} + +static ERTS_INLINE void +free_drv_select_data(ErtsDrvSelectDataState *dsp) +{ + ASSERT(!erts_port_task_is_scheduled(&dsp->iniotask.task)); + ASSERT(!erts_port_task_is_scheduled(&dsp->outiotask.task)); + erts_free(ERTS_ALC_T_DRV_SEL_D_STATE, dsp); +} + +static ERTS_INLINE ErtsDrvEventDataState * +alloc_drv_event_data(void) +{ + ErtsDrvEventDataState *dep = erts_alloc(ERTS_ALC_T_DRV_EV_D_STATE, + sizeof(ErtsDrvEventDataState)); + dep->port = NIL; + dep->data = NULL; + dep->removed_events = 0; +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + dep->deferred_events = 0; +#endif + init_iotask(&dep->iotask); + return dep; +} + +static ERTS_INLINE void +free_drv_event_data(ErtsDrvEventDataState *dep) +{ + ASSERT(!erts_port_task_is_scheduled(&dep->iotask.task)); + erts_free(ERTS_ALC_T_DRV_EV_D_STATE, dep); +} + +static ERTS_INLINE void remember_removed(ErtsDrvEventState *state, struct pollset_info* psi) { #ifdef ERTS_SMP @@ -288,7 +370,7 @@ forget_removed(struct pollset_info* psi) drv_ptr = state->driver.drv_ptr; ASSERT(drv_ptr); state->type = ERTS_EV_TYPE_NONE; - state->flags = 0; + state->flags &= ~ERTS_EV_FLAG_USED; state->driver.drv_ptr = NULL; /* Fall through */ case ERTS_EV_TYPE_NONE: @@ -345,6 +427,10 @@ grow_drv_ev_state(int min_ix) for (i = erts_smp_atomic_read_nob(&drv_ev_state_len); i < new_len; i++) { drv_ev_state[i].fd = (ErtsSysFdType) i; drv_ev_state[i].driver.select = NULL; +#if ERTS_CIO_HAVE_DRV_EVENT + drv_ev_state[i].driver.event = NULL; +#endif + drv_ev_state[i].driver.drv_ptr = NULL; drv_ev_state[i].events = 0; drv_ev_state[i].remove_cnt = 0; drv_ev_state[i].type = ERTS_EV_TYPE_NONE; @@ -365,11 +451,7 @@ grow_drv_ev_state(int min_ix) static ERTS_INLINE void abort_task(Eterm id, ErtsPortTaskHandle *pthp, EventStateType type) { - if (is_nil(id)) { - ASSERT(type == ERTS_EV_TYPE_NONE - || !erts_port_task_is_scheduled(pthp)); - } - else if (erts_port_task_is_scheduled(pthp)) { + if (is_not_nil(id) && erts_port_task_is_scheduled(pthp)) { erts_port_task_abort(pthp); ASSERT(erts_is_port_alive(id)); } @@ -384,7 +466,7 @@ abort_tasks(ErtsDrvEventState *state, int mode) #if ERTS_CIO_HAVE_DRV_EVENT case ERTS_EV_TYPE_DRV_EV: abort_task(state->driver.event->port, - &state->driver.event->task, + &state->driver.event->iotask.task, ERTS_EV_TYPE_DRV_EV); return; #endif @@ -398,14 +480,14 @@ abort_tasks(ErtsDrvEventState *state, int mode) case ERL_DRV_WRITE: ASSERT(state->type == ERTS_EV_TYPE_DRV_SEL); abort_task(state->driver.select->outport, - &state->driver.select->outtask, + &state->driver.select->outiotask.task, state->type); if (mode == ERL_DRV_WRITE) break; case ERL_DRV_READ: ASSERT(state->type == ERTS_EV_TYPE_DRV_SEL); abort_task(state->driver.select->inport, - &state->driver.select->intask, + &state->driver.select->iniotask.task, state->type); break; default: @@ -443,16 +525,14 @@ deselect(ErtsDrvEventState *state, int mode) if (!(state->events)) { switch (state->type) { case ERTS_EV_TYPE_DRV_SEL: - ASSERT(!erts_port_task_is_scheduled(&state->driver.select->intask)); - ASSERT(!erts_port_task_is_scheduled(&state->driver.select->outtask)); - erts_free(ERTS_ALC_T_DRV_SEL_D_STATE, - state->driver.select); + state->driver.select->inport = NIL; + state->driver.select->outport = NIL; break; #if ERTS_CIO_HAVE_DRV_EVENT case ERTS_EV_TYPE_DRV_EV: - ASSERT(!erts_port_task_is_scheduled(&state->driver.event->task)); - erts_free(ERTS_ALC_T_DRV_EV_D_STATE, - state->driver.event); + state->driver.event->port = NIL; + state->driver.event->data = NULL; + state->driver.event->removed_events = (ErtsPollEvents) 0; break; #endif case ERTS_EV_TYPE_NONE: @@ -462,20 +542,297 @@ deselect(ErtsDrvEventState *state, int mode) break; } - state->driver.select = NULL; state->type = ERTS_EV_TYPE_NONE; - state->flags = 0; + state->flags &= ~ERTS_EV_FLAG_USED; remember_removed(state, &pollset); } } - #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS # define IS_FD_UNKNOWN(state) ((state)->type == ERTS_EV_TYPE_NONE && (state)->remove_cnt == 0) #else # define IS_FD_UNKNOWN(state) ((state) == NULL) #endif +static ERTS_INLINE void +check_fd_cleanup(ErtsDrvEventState *state, +#if ERTS_CIO_HAVE_DRV_EVENT + ErtsDrvEventDataState **free_event, +#endif + ErtsDrvSelectDataState **free_select) +{ + erts_aint_t current_cio_time; + + ERTS_SMP_LC_ASSERT(erts_smp_lc_mtx_is_locked(fd_mtx(state->fd))); + + current_cio_time = erts_smp_atomic_read_acqb(&erts_check_io_time); + *free_select = NULL; + if (state->driver.select + && (state->type != ERTS_EV_TYPE_DRV_SEL) + && !is_iotask_active(&state->driver.select->iniotask, current_cio_time) + && !is_iotask_active(&state->driver.select->outiotask, current_cio_time)) { + + *free_select = state->driver.select; + state->driver.select = NULL; + } + +#if ERTS_CIO_HAVE_DRV_EVENT + *free_event = NULL; + if (state->driver.event + && (state->type != ERTS_EV_TYPE_DRV_EV) + && !is_iotask_active(&state->driver.event->iotask, current_cio_time)) { + + *free_event = state->driver.event; + state->driver.event = NULL; + } +#endif + +#ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS + if (((state->type != ERTS_EV_TYPE_NONE) + | state->remove_cnt +#if ERTS_CIO_HAVE_DRV_EVENT + | (state->driver.event != NULL) +#endif + | (state->driver.select != NULL)) == 0) { + + hash_erase_drv_ev_state(state); + + } +#endif +} + +static ERTS_INLINE int +check_cleanup_active_fd(ErtsSysFdType fd, +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + ErtsPollControlEntry *pce, + int *pce_ix, +#endif + erts_aint_t current_cio_time) +{ + ErtsDrvEventState *state; + int active = 0; + erts_smp_mtx_t *mtx = fd_mtx(fd); + void *free_select = NULL; +#if ERTS_CIO_HAVE_DRV_EVENT + void *free_event = NULL; +#endif +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + ErtsPollEvents evon = 0, evoff = 0; +#endif + + erts_smp_mtx_lock(mtx); + +#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS + state = &drv_ev_state[(int) fd]; +#else + state = hash_get_drv_ev_state(fd); /* may be NULL! */ + if (state) +#endif + { + if (state->driver.select) { +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + if (is_iotask_active(&state->driver.select->iniotask, current_cio_time)) { + active = 1; + if ((state->events & ERTS_POLL_EV_IN) + && !(state->flags & ERTS_EV_FLAG_DEFER_IN_EV)) { + evoff |= ERTS_POLL_EV_IN; + state->flags |= ERTS_EV_FLAG_DEFER_IN_EV; + } + } + else if (state->flags & ERTS_EV_FLAG_DEFER_IN_EV) { + if (state->events & ERTS_POLL_EV_IN) + evon |= ERTS_POLL_EV_IN; + state->flags &= ~ERTS_EV_FLAG_DEFER_IN_EV; + } + if (is_iotask_active(&state->driver.select->outiotask, current_cio_time)) { + active = 1; + if ((state->events & ERTS_POLL_EV_OUT) + && !(state->flags & ERTS_EV_FLAG_DEFER_OUT_EV)) { + evoff |= ERTS_POLL_EV_OUT; + state->flags |= ERTS_EV_FLAG_DEFER_OUT_EV; + } + } + else if (state->flags & ERTS_EV_FLAG_DEFER_OUT_EV) { + if (state->events & ERTS_POLL_EV_OUT) + evon |= ERTS_POLL_EV_OUT; + state->flags &= ~ERTS_EV_FLAG_DEFER_OUT_EV; + } + if (active) + (void) 0; + else +#else + if (is_iotask_active(&state->driver.select->iniotask, current_cio_time) + || is_iotask_active(&state->driver.select->outiotask, current_cio_time)) + active = 1; + else +#endif + if (state->type != ERTS_EV_TYPE_DRV_SEL) { + free_select = state->driver.select; + state->driver.select = NULL; + } + } + +#if ERTS_CIO_HAVE_DRV_EVENT + if (state->driver.event) { + if (is_iotask_active(&state->driver.event->iotask, current_cio_time)) { +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + ErtsPollEvents evs = state->events & ~state->driver.event->deferred_events; + if (evs) { + evoff |= evs; + state->driver.event->deferred_events |= evs; + } +#endif + active = 1; + } + else if (state->type != ERTS_EV_TYPE_DRV_EV) { + free_event = state->driver.event; + state->driver.event = NULL; + } +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + else { + ErtsPollEvents evs = state->events & state->driver.event->deferred_events; + if (evs) { + evon |= evs; + state->driver.event->deferred_events = 0; + } + } +#endif + + } +#endif + +#ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS + if (((state->type != ERTS_EV_TYPE_NONE) | state->remove_cnt | active) == 0) + hash_erase_drv_ev_state(state); +#endif + + } + + erts_smp_mtx_unlock(mtx); + + if (free_select) + free_drv_select_data(free_select); +#if ERTS_CIO_HAVE_DRV_EVENT + if (free_event) + free_drv_event_data(free_event); +#endif + +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + if (evoff) { + ErtsPollControlEntry *pcep = &pce[(*pce_ix)++]; + pcep->fd = fd; + pcep->events = evoff; + pcep->on = 0; + } + if (evon) { + ErtsPollControlEntry *pcep = &pce[(*pce_ix)++]; + pcep->fd = fd; + pcep->events = evon; + pcep->on = 1; + } +#endif + + return active; +} + +static void +check_cleanup_active_fds(erts_aint_t current_cio_time) +{ + int six = pollset.active_fd.six; + int eix = pollset.active_fd.eix; + erts_aint32_t no = erts_smp_atomic32_read_dirty(&pollset.active_fd.no); + int size = pollset.active_fd.size; + int ix = six; +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + /* every fd might add two entries */ + Uint pce_sz = 2*sizeof(ErtsPollControlEntry)*no; + ErtsPollControlEntry *pctrl_entries = (pce_sz + ? erts_alloc(ERTS_ALC_T_TMP, pce_sz) + : NULL); + int pctrl_ix = 0; +#endif + + while (ix != eix) { + ErtsSysFdType fd = pollset.active_fd.array[ix]; + int nix = ix + 1; + if (nix >= size) + nix = 0; + ASSERT(fd != ERTS_SYS_FD_INVALID); + if (!check_cleanup_active_fd(fd, +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + pctrl_entries, + &pctrl_ix, +#endif + current_cio_time)) { + no--; + if (ix == six) { +#ifdef DEBUG + pollset.active_fd.array[ix] = ERTS_SYS_FD_INVALID; +#endif + six = nix; + } + else { + pollset.active_fd.array[ix] = pollset.active_fd.array[six]; +#ifdef DEBUG + pollset.active_fd.array[six] = ERTS_SYS_FD_INVALID; +#endif + six++; + if (six >= size) + six = 0; + } + } + ix = nix; + } + +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + ASSERT(pctrl_ix <= pce_sz/sizeof(ErtsPollControlEntry)); + if (pctrl_ix) + ERTS_CIO_POLL_CTLV(pollset.ps, pctrl_entries, pctrl_ix); + if (pctrl_entries) + erts_free(ERTS_ALC_T_TMP, pctrl_entries); +#endif + + pollset.active_fd.six = six; + pollset.active_fd.eix = eix; + erts_smp_atomic32_set_relb(&pollset.active_fd.no, no); +} + +static ERTS_INLINE void +add_active_fd(ErtsSysFdType fd) +{ + int eix = pollset.active_fd.eix; + int size = pollset.active_fd.size; + + + pollset.active_fd.array[eix] = fd; + + erts_smp_atomic32_set_relb(&pollset.active_fd.no, + (erts_smp_atomic32_read_dirty(&pollset.active_fd.no) + + 1)); + + eix++; + if (eix >= size) + eix = 0; + if (pollset.active_fd.six == eix) { + pollset.active_fd.six = 0; + eix = size; + size += ERTS_ACTIVE_FD_INC; + pollset.active_fd.array = erts_realloc(ERTS_ALC_T_ACTIVE_FD_ARR, + pollset.active_fd.array, + sizeof(ErtsSysFdType)*size); + pollset.active_fd.size = size; +#ifdef DEBUG + { + int i; + for (i = eix + 1; i < size; i++) + pollset.active_fd.array[i] = ERTS_SYS_FD_INVALID; + } +#endif + + } + + pollset.active_fd.eix = eix; +} int ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, @@ -492,6 +849,10 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, ErtsDrvEventState *state; int wake_poller; int ret; +#if ERTS_CIO_HAVE_DRV_EVENT + ErtsDrvEventDataState *free_event = NULL; +#endif + ErtsDrvSelectDataState *free_select = NULL; #ifdef USE_VM_PROBES DTRACE_CHARBUF(name, 64); #endif @@ -593,9 +954,9 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, if (new_events & (ERTS_POLL_EV_ERR|ERTS_POLL_EV_NVAL)) { if (state->type == ERTS_EV_TYPE_DRV_SEL && !state->events) { state->type = ERTS_EV_TYPE_NONE; - state->flags = 0; - erts_free(ERTS_ALC_T_DRV_SEL_D_STATE, state->driver.select); - state->driver.select = NULL; + state->flags &= ~ERTS_EV_FLAG_USED; + state->driver.select->inport = NIL; + state->driver.select->outport = NIL; } ret = -1; goto done; @@ -613,18 +974,10 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, state->events = new_events; if (ctl_events) { if (on) { - if (state->type == ERTS_EV_TYPE_NONE) { - ErtsDrvSelectDataState *dsdsp - = erts_alloc(ERTS_ALC_T_DRV_SEL_D_STATE, - sizeof(ErtsDrvSelectDataState)); - dsdsp->inport = NIL; - dsdsp->outport = NIL; - erts_port_task_handle_init(&dsdsp->intask); - erts_port_task_handle_init(&dsdsp->outtask); - ASSERT(state->driver.select == NULL); - state->driver.select = dsdsp; + if (!state->driver.select) + state->driver.select = alloc_drv_select_data(); + if (state->type == ERTS_EV_TYPE_NONE) state->type = ERTS_EV_TYPE_DRV_SEL; - } ASSERT(state->type == ERTS_EV_TYPE_DRV_SEL); if (ctl_events & ERTS_POLL_EV_IN) state->driver.select->inport = id; @@ -645,17 +998,12 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, state->driver.select->outport = NIL; } if (new_events == 0) { - ASSERT(!erts_port_task_is_scheduled(&state->driver.select->intask)); - ASSERT(!erts_port_task_is_scheduled(&state->driver.select->outtask)); if (old_events != 0) { remember_removed(state, &pollset); } if ((mode & ERL_DRV_USE) || !(state->flags & ERTS_EV_FLAG_USED)) { state->type = ERTS_EV_TYPE_NONE; - state->flags = 0; - erts_free(ERTS_ALC_T_DRV_SEL_D_STATE, - state->driver.select); - state->driver.select = NULL; + state->flags &= ~ERTS_EV_FLAG_USED; } /*else keep it, as fd will probably be selected upon again */ } @@ -686,13 +1034,15 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix, ret = 0; -done:; -#ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS - if (state->type == ERTS_EV_TYPE_NONE && state->remove_cnt == 0) { - hash_erase_drv_ev_state(state); - } +done: + + check_fd_cleanup(state, +#if ERTS_CIO_HAVE_DRV_EVENT + &free_event, #endif -done_unknown: + &free_select); + +done_unknown: erts_smp_mtx_unlock(fd_mtx(fd)); if (stop_select_fn) { int was_unmasked = erts_block_fpe(); @@ -700,6 +1050,12 @@ done_unknown: (*stop_select_fn)(e, NULL); erts_unblock_fpe(was_unmasked); } + if (free_select) + free_drv_select_data(free_select); +#if ERTS_CIO_HAVE_DRV_EVENT + if (free_event) + free_drv_event_data(free_event); +#endif return ret; } @@ -719,6 +1075,10 @@ ERTS_CIO_EXPORT(driver_event)(ErlDrvPort ix, ErtsDrvEventState *state; int do_wake = 0; int ret; +#if ERTS_CIO_HAVE_DRV_EVENT + ErtsDrvEventDataState *free_event; +#endif + ErtsDrvSelectDataState *free_select; Port *prt = erts_drvport2port(ix); if (prt == ERTS_INVALID_ERL_DRV_PORT) @@ -799,10 +1159,8 @@ ERTS_CIO_EXPORT(driver_event)(ErlDrvPort ix, state->driver.event->removed_events |= remove_events; } else { - state->driver.event - = erts_alloc(ERTS_ALC_T_DRV_EV_D_STATE, - sizeof(ErtsDrvEventDataState)); - erts_port_task_handle_init(&state->driver.event->task); + if (!state->driver.event) + state->driver.event = alloc_drv_event_data(); state->driver.event->port = id; state->driver.event->removed_events = (ErtsPollEvents) 0; state->type = ERTS_EV_TYPE_DRV_EV; @@ -812,10 +1170,10 @@ ERTS_CIO_EXPORT(driver_event)(ErlDrvPort ix, else { if (state->type == ERTS_EV_TYPE_DRV_EV) { abort_tasks(state, 0); - erts_free(ERTS_ALC_T_DRV_EV_D_STATE, - state->driver.event); + state->driver.event->port = NIL; + state->driver.event->data = NULL; + state->driver.event->removed_events = (ErtsPollEvents) 0; } - state->driver.select = NULL; state->type = ERTS_EV_TYPE_NONE; remember_removed(state, &pollset); } @@ -825,12 +1183,22 @@ ERTS_CIO_EXPORT(driver_event)(ErlDrvPort ix, ret = 0; done: -#ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS - if (state->type == ERTS_EV_TYPE_NONE && state->remove_cnt == 0) { - hash_erase_drv_ev_state(state); - } + + check_fd_cleanup(state, +#if ERTS_CIO_HAVE_DRV_EVENT + &free_event, #endif + &free_select); + erts_smp_mtx_unlock(fd_mtx(fd)); + + if (free_select) + free_drv_select_data(free_select); +#if ERTS_CIO_HAVE_DRV_EVENT + if (free_event) + free_drv_event_data(free_event); +#endif + return ret; #endif } @@ -1027,7 +1395,7 @@ steal_pending_stop_select(erts_dsprintf_buf_t *dsbufp, ErlDrvPort ix, * In either case stop_select should not be called. */ state->type = ERTS_EV_TYPE_NONE; - state->flags = 0; + state->flags &= ~ERTS_EV_FLAG_USED; if (state->driver.drv_ptr->handle) { erts_ddll_dereference_driver(state->driver.drv_ptr->handle); } @@ -1099,38 +1467,103 @@ event_large_fd_error(ErlDrvPort ix, ErtsSysFdType fd, ErlDrvEventData event_data #endif #endif +static ERTS_INLINE int +io_task_schedule_allowed(ErtsDrvEventState *state, + ErtsPortTaskType type, + erts_aint_t current_cio_time) +{ + ErtsIoTask *io_task; + + switch (type) { + case ERTS_PORT_TASK_INPUT: + if (!state->driver.select) + return 0; +#if ERTS_CIO_HAVE_DRV_EVENT + if (state->driver.event) + return 0; +#endif + io_task = &state->driver.select->iniotask; + break; + case ERTS_PORT_TASK_OUTPUT: + if (!state->driver.select) + return 0; +#if ERTS_CIO_HAVE_DRV_EVENT + if (state->driver.event) + return 0; +#endif + io_task = &state->driver.select->outiotask; + break; +#if ERTS_CIO_HAVE_DRV_EVENT + case ERTS_PORT_TASK_EVENT: + if (!state->driver.event) + return 0; + if (state->driver.select) + return 0; + io_task = &state->driver.event->iotask; + break; +#endif + default: + ERTS_INTERNAL_ERROR("Invalid I/O-task type"); + return 0; + } + + return !is_iotask_active(io_task, current_cio_time); +} + static ERTS_INLINE void -iready(Eterm id, ErtsDrvEventState *state) +iready(Eterm id, ErtsDrvEventState *state, erts_aint_t current_cio_time) { - if (erts_port_task_schedule(id, - &state->driver.select->intask, - ERTS_PORT_TASK_INPUT, - (ErlDrvEvent) state->fd) != 0) { - stale_drv_select(id, state, ERL_DRV_READ); + if (io_task_schedule_allowed(state, + ERTS_PORT_TASK_INPUT, + current_cio_time)) { + ErtsIoTask *iotask = &state->driver.select->iniotask; + erts_smp_atomic_set_nob(&iotask->executed_time, current_cio_time); + if (erts_port_task_schedule(id, + &iotask->task, + ERTS_PORT_TASK_INPUT, + (ErlDrvEvent) state->fd) != 0) { + stale_drv_select(id, state, ERL_DRV_READ); + } + add_active_fd(state->fd); } } static ERTS_INLINE void -oready(Eterm id, ErtsDrvEventState *state) +oready(Eterm id, ErtsDrvEventState *state, erts_aint_t current_cio_time) { - if (erts_port_task_schedule(id, - &state->driver.select->outtask, - ERTS_PORT_TASK_OUTPUT, - (ErlDrvEvent) state->fd) != 0) { - stale_drv_select(id, state, ERL_DRV_WRITE); + if (io_task_schedule_allowed(state, + ERTS_PORT_TASK_OUTPUT, + current_cio_time)) { + ErtsIoTask *iotask = &state->driver.select->outiotask; + erts_smp_atomic_set_nob(&iotask->executed_time, current_cio_time); + if (erts_port_task_schedule(id, + &iotask->task, + ERTS_PORT_TASK_OUTPUT, + (ErlDrvEvent) state->fd) != 0) { + stale_drv_select(id, state, ERL_DRV_WRITE); + } + add_active_fd(state->fd); } } #if ERTS_CIO_HAVE_DRV_EVENT static ERTS_INLINE void -eready(Eterm id, ErtsDrvEventState *state, ErlDrvEventData event_data) +eready(Eterm id, ErtsDrvEventState *state, ErlDrvEventData event_data, + erts_aint_t current_cio_time) { - if (erts_port_task_schedule(id, - &state->driver.event->task, - ERTS_PORT_TASK_EVENT, - (ErlDrvEvent) state->fd, - event_data) != 0) { - stale_drv_select(id, state, 0); + if (io_task_schedule_allowed(state, + ERTS_PORT_TASK_EVENT, + current_cio_time)) { + ErtsIoTask *iotask = &state->driver.event->iotask; + erts_smp_atomic_set_nob(&iotask->executed_time, current_cio_time); + if (erts_port_task_schedule(id, + &iotask->task, + ERTS_PORT_TASK_EVENT, + (ErlDrvEvent) state->fd, + event_data) != 0) { + stale_drv_select(id, state, 0); + } + add_active_fd(state->fd); } } #endif @@ -1161,10 +1594,11 @@ ERTS_CIO_EXPORT(erts_check_io_interrupt_timed)(int set, void ERTS_CIO_EXPORT(erts_check_io)(int do_wait) { - ErtsPollResFd pollres[256]; + ErtsPollResFd *pollres; int pollres_len; SysTimeval wait_time; int poll_ret, i; + erts_aint_t current_cio_time; restart: @@ -1181,10 +1615,24 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) wait_time.tv_usec = 0; } + /* + * No need for an atomic inc op when incrementing + * erts_check_io_time, since only one thread can + * check io at a time. + */ + current_cio_time = erts_smp_atomic_read_dirty(&erts_check_io_time); + current_cio_time++; + erts_smp_atomic_set_relb(&erts_check_io_time, current_cio_time); + + check_cleanup_active_fds(current_cio_time); + #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_check_exact(NULL, 0); /* No locks should be locked */ #endif - pollres_len = sizeof(pollres)/sizeof(ErtsPollResFd); + + pollres_len = erts_smp_atomic32_read_dirty(&pollset.active_fd.no) + ERTS_CHECK_IO_POLL_RES_LEN; + + pollres = erts_alloc(ERTS_ALC_T_TMP, sizeof(ErtsPollResFd)*pollres_len); erts_smp_atomic_set_nob(&pollset.in_poll_wait, 1); @@ -1204,6 +1652,7 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) if (poll_ret != 0) { erts_smp_atomic_set_nob(&pollset.in_poll_wait, 0); forget_removed(&pollset); + erts_free(ERTS_ALC_T_TMP, pollres); if (poll_ret == EAGAIN) { goto restart; } @@ -1263,15 +1712,15 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) if ((revents & ERTS_POLL_EV_IN) || (!(revents & ERTS_POLL_EV_OUT) && state->events & ERTS_POLL_EV_IN)) { - iready(state->driver.select->inport, state); + iready(state->driver.select->inport, state, current_cio_time); } else if (state->events & ERTS_POLL_EV_OUT) { - oready(state->driver.select->outport, state); + oready(state->driver.select->outport, state, current_cio_time); } } else if (revents & (ERTS_POLL_EV_IN|ERTS_POLL_EV_OUT)) { if (revents & ERTS_POLL_EV_OUT) { - oready(state->driver.select->outport, state); + oready(state->driver.select->outport, state, current_cio_time); } /* Someone might have deselected input since revents was read (true also on the non-smp emulator since @@ -1279,7 +1728,7 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) revents... */ revents &= ~(~state->events & ERTS_POLL_EV_IN); if (revents & ERTS_POLL_EV_IN) { - iready(state->driver.select->inport, state); + iready(state->driver.select->inport, state, current_cio_time); } } else if (revents & ERTS_POLL_EV_NVAL) { @@ -1287,6 +1736,7 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) state->driver.select->inport, state->driver.select->outport, state->events); + add_active_fd(state->fd); } break; } @@ -1304,8 +1754,7 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) if (revents) { event_data->events = state->events; event_data->revents = revents; - - eready(state->driver.event->port, state, event_data); + eready(state->driver.event->port, state, event_data, current_cio_time); } break; } @@ -1323,6 +1772,7 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) (int) state->type); ASSERT(0); deselect(state, 0); + add_active_fd(state->fd); break; } } @@ -1334,6 +1784,7 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) } erts_smp_atomic_set_nob(&pollset.in_poll_wait, 0); + erts_free(ERTS_ALC_T_TMP, pollres); forget_removed(&pollset); } @@ -1469,10 +1920,27 @@ static void drv_ev_state_free(void *des) void ERTS_CIO_EXPORT(erts_init_check_io)(void) { + erts_smp_atomic_init_nob(&erts_check_io_time, 0); erts_smp_atomic_init_nob(&pollset.in_poll_wait, 0); + ERTS_CIO_POLL_INIT(); pollset.ps = ERTS_CIO_NEW_POLLSET(); + pollset.active_fd.six = 0; + pollset.active_fd.eix = 0; + erts_smp_atomic32_init_nob(&pollset.active_fd.no, 0); + pollset.active_fd.size = ERTS_ACTIVE_FD_INC; + pollset.active_fd.array = erts_alloc(ERTS_ALC_T_ACTIVE_FD_ARR, + sizeof(ErtsSysFdType)*ERTS_ACTIVE_FD_INC); +#ifdef DEBUG + { + int i; + for (i = 0; i < ERTS_ACTIVE_FD_INC; i++) + pollset.active_fd.array[i] = ERTS_SYS_FD_INVALID; + } +#endif + + #ifdef ERTS_SMP init_removed_fd_alloc(); pollset.removed_list = NULL; @@ -1548,12 +2016,27 @@ Eterm ERTS_CIO_EXPORT(erts_check_io_info)(void *proc) { Process *p = (Process *) proc; - Eterm tags[15], values[15], res; + Eterm tags[16], values[16], res; Uint sz, *szp, *hp, **hpp, memory_size; Sint i; ErtsPollInfo pi; - - ERTS_CIO_POLL_INFO(pollset.ps, &pi); + erts_aint_t cio_time = erts_smp_atomic_read_acqb(&erts_check_io_time); + int active_fds = (int) erts_smp_atomic32_read_acqb(&pollset.active_fd.no); + + while (1) { + erts_aint_t post_cio_time; + int post_active_fds; + + ERTS_CIO_POLL_INFO(pollset.ps, &pi); + + post_cio_time = erts_smp_atomic_read_mb(&erts_check_io_time); + post_active_fds = (int) erts_smp_atomic32_read_acqb(&pollset.active_fd.no); + if (cio_time == post_cio_time && active_fds == post_active_fds) + break; + cio_time = post_cio_time; + active_fds = post_active_fds; + } + memory_size = pi.memory_size; #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS memory_size += sizeof(ErtsDrvEventState) * erts_smp_atomic_read_nob(&drv_ev_state_len); @@ -1617,6 +2100,9 @@ ERTS_CIO_EXPORT(erts_check_io_info)(void *proc) tags[i] = erts_bld_atom(hpp, szp, "max_fds"); values[i++] = erts_bld_uint(hpp, szp, (Uint) pi.max_fds); + tags[i] = erts_bld_atom(hpp, szp, "active_fds"); + values[i++] = erts_bld_uint(hpp, szp, (Uint) active_fds); + #ifdef ERTS_POLL_COUNT_AVOIDED_WAKEUPS tags[i] = erts_bld_atom(hpp, szp, "no_avoided_wakeups"); values[i++] = erts_bld_uint(hpp, szp, (Uint) pi.no_avoided_wakeups); @@ -1671,6 +2157,8 @@ print_events(ErtsPollEvents ev) typedef struct { int used_fds; int num_errors; + int no_driver_select_structs; + int no_driver_event_structs; #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS int internal_fds; ErtsPollEvents *epep; @@ -1693,6 +2181,13 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters) struct stat stat_buf; #endif + if (state->driver.select) + counters->no_driver_select_structs++; +#if ERTS_CIO_HAVE_DRV_EVENT + if (state->driver.event) + counters->no_driver_event_structs++; +#endif + #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS if (state->events || ep_events) { if (ep_events & ERTS_POLL_EV_NVAL) { @@ -1831,6 +2326,7 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters) } } } +#if ERTS_CIO_HAVE_DRV_EVENT else if (state->type == ERTS_EV_TYPE_DRV_EV) { Eterm id; erts_printf("driver_event "); @@ -1866,6 +2362,7 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters) erts_free_port_names(pnp); } } +#endif #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS else if (internal) { erts_printf("internal "); @@ -1905,7 +2402,7 @@ static void doit_erts_check_io_debug(void *vstate, void *vcounters) } int -ERTS_CIO_EXPORT(erts_check_io_debug)(void) +ERTS_CIO_EXPORT(erts_check_io_debug)(ErtsCheckIoDebugInfo *ciodip) { #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS int fd, len; @@ -1915,6 +2412,10 @@ ERTS_CIO_EXPORT(erts_check_io_debug)(void) ErtsDrvEventState null_des; null_des.driver.select = NULL; +#if ERTS_CIO_HAVE_DRV_EVENT + null_des.driver.event = NULL; +#endif + null_des.driver.drv_ptr = NULL; null_des.events = 0; null_des.remove_cnt = 0; null_des.type = ERTS_EV_TYPE_NONE; @@ -1935,6 +2436,8 @@ ERTS_CIO_EXPORT(erts_check_io_debug)(void) #endif counters.used_fds = 0; counters.num_errors = 0; + counters.no_driver_select_structs = 0; + counters.no_driver_event_structs = 0; #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS len = erts_smp_atomic_read_nob(&drv_ev_state_len); @@ -1951,8 +2454,16 @@ ERTS_CIO_EXPORT(erts_check_io_debug)(void) erts_smp_thr_progress_unblock(); + ciodip->no_used_fds = counters.used_fds; + ciodip->no_driver_select_structs = counters.no_driver_select_structs; + ciodip->no_driver_event_structs = counters.no_driver_event_structs; + erts_printf("\n"); erts_printf("used fds=%d\n", counters.used_fds); + erts_printf("Number of driver_select() structures=%d\n", counters.no_driver_select_structs); +#if ERTS_CIO_HAVE_DRV_EVENT + erts_printf("Number of driver_event() structures=%d\n", counters.no_driver_event_structs); +#endif #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS erts_printf("internal fds=%d\n", counters.internal_fds); #endif @@ -1961,6 +2472,7 @@ ERTS_CIO_EXPORT(erts_check_io_debug)(void) #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS erts_free(ERTS_ALC_T_TMP, (void *) counters.epep); #endif + return counters.num_errors; } diff --git a/erts/emulator/sys/common/erl_check_io.h b/erts/emulator/sys/common/erl_check_io.h index edab7947ba..d01297d55c 100644 --- a/erts/emulator/sys/common/erl_check_io.h +++ b/erts/emulator/sys/common/erl_check_io.h @@ -26,6 +26,7 @@ #ifndef ERL_CHECK_IO_H__ #define ERL_CHECK_IO_H__ +#include "sys.h" #include "erl_sys_driver.h" #ifdef ERTS_ENABLE_KERNEL_POLL @@ -52,8 +53,8 @@ void erts_check_io_kp(int); void erts_check_io_nkp(int); void erts_init_check_io_kp(void); void erts_init_check_io_nkp(void); -int erts_check_io_debug_kp(void); -int erts_check_io_debug_nkp(void); +int erts_check_io_debug_kp(ErtsCheckIoDebugInfo *); +int erts_check_io_debug_nkp(ErtsCheckIoDebugInfo *); #else /* !ERTS_ENABLE_KERNEL_POLL */ @@ -70,6 +71,27 @@ void erts_init_check_io(void); #endif +extern erts_smp_atomic_t erts_check_io_time; + +typedef struct { + ErtsPortTaskHandle task; + erts_smp_atomic_t executed_time; +} ErtsIoTask; + +ERTS_GLB_INLINE void erts_io_notify_port_task_executed(ErtsPortTaskHandle *pthp); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE void +erts_io_notify_port_task_executed(ErtsPortTaskHandle *pthp) +{ + ErtsIoTask *itp = (ErtsIoTask *) (((char *) pthp) - offsetof(ErtsIoTask, task)); + erts_aint_t ci_time = erts_smp_atomic_read_acqb(&erts_check_io_time); + erts_smp_atomic_set_relb(&itp->executed_time, ci_time); +} + +#endif + #endif /* ERL_CHECK_IO_H__ */ #if !defined(ERL_CHECK_IO_C__) && !defined(ERTS_ALLOC_C__) @@ -81,6 +103,16 @@ void erts_init_check_io(void); #include "erl_poll.h" #include "erl_port_task.h" +#ifdef __WIN32__ +/* + * Current erts_poll implementation for Windows cannot handle + * active events in the set of events polled. + */ +# define ERTS_CIO_DEFER_ACTIVE_EVENTS 1 +#else +# define ERTS_CIO_DEFER_ACTIVE_EVENTS 0 +#endif + /* * ErtsDrvEventDataState is used by driver_event() which is almost never * used. We allocate ErtsDrvEventDataState separate since we dont wan't @@ -91,13 +123,16 @@ typedef struct { Eterm port; ErlDrvEventData data; ErtsPollEvents removed_events; - ErtsPortTaskHandle task; +#if ERTS_CIO_DEFER_ACTIVE_EVENTS + ErtsPollEvents deferred_events; +#endif + ErtsIoTask iotask; } ErtsDrvEventDataState; typedef struct { Eterm inport; Eterm outport; - ErtsPortTaskHandle intask; - ErtsPortTaskHandle outtask; + ErtsIoTask iniotask; + ErtsIoTask outiotask; } ErtsDrvSelectDataState; #endif /* #ifndef ERL_CHECK_IO_INTERNAL__ */ diff --git a/erts/emulator/sys/common/erl_sys_common_misc.c b/erts/emulator/sys/common/erl_sys_common_misc.c index e3ba741058..e63f0bda54 100644 --- a/erts/emulator/sys/common/erl_sys_common_misc.c +++ b/erts/emulator/sys/common/erl_sys_common_misc.c @@ -44,6 +44,14 @@ #endif #endif +/* + * erts_check_io_time is used by the erl_check_io implementation. The + * global erts_check_io_time variable is declared here since there + * (often) exist two versions of erl_check_io (kernel-poll and + * non-kernel-poll), and we dont want two versions of this variable. + */ +erts_smp_atomic_t erts_check_io_time; + /* Written once and only once */ static int filename_encoding = ERL_FILENAME_UNKNOWN; diff --git a/erts/emulator/sys/unix/erl_unix_sys.h b/erts/emulator/sys/unix/erl_unix_sys.h index 176fc049a7..c3dba69acb 100644 --- a/erts/emulator/sys/unix/erl_unix_sys.h +++ b/erts/emulator/sys/unix/erl_unix_sys.h @@ -135,9 +135,6 @@ /* File descriptors are numbers anc consecutively allocated on Unix */ #define ERTS_SYS_CONTINOUS_FD_NUMBERS -#define HAVE_ERTS_CHECK_IO_DEBUG -int erts_check_io_debug(void); - #ifndef ERTS_SMP # undef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT # define ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT @@ -230,8 +227,13 @@ extern void sys_stop_cat(void); */ #ifdef USE_ISINF_ISNAN /* simulate finite() */ -# define finite(f) (!isinf(f) && !isnan(f)) -# define HAVE_FINITE +# define isfinite(f) (!isinf(f) && !isnan(f)) +# define HAVE_ISFINITE +#elif defined(isfinite) && !defined(HAVE_ISFINITE) +# define HAVE_ISFINITE +#elif !defined(HAVE_ISFINITE) && defined(HAVE_FINITE) +# define isfinite finite +# define HAVE_ISFINITE #endif #ifdef NO_FPE_SIGNALS @@ -241,7 +243,7 @@ extern void sys_stop_cat(void); #define erts_thread_init_fp_exception() do{}while(0) #endif # define __ERTS_FP_CHECK_INIT(fpexnp) do {} while (0) -# define __ERTS_FP_ERROR(fpexnp, f, Action) if (!finite(f)) { Action; } else {} +# define __ERTS_FP_ERROR(fpexnp, f, Action) if (!isfinite(f)) { Action; } else {} # define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) __ERTS_FP_ERROR(fpexnp, f, Action) # define __ERTS_SAVE_FP_EXCEPTION(fpexnp) # define __ERTS_RESTORE_FP_EXCEPTION(fpexnp) @@ -305,7 +307,7 @@ static __inline__ void __ERTS_FP_CHECK_INIT(volatile unsigned long *fp_exception code to always throw floating-point exceptions on errors. */ static __inline__ int erts_check_fpe_thorough(volatile unsigned long *fp_exception, double f) { - return erts_check_fpe(fp_exception, f) || !finite(f); + return erts_check_fpe(fp_exception, f) || !isfinite(f); } # define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) \ do { if (erts_check_fpe_thorough((fpexnp),(f))) { Action; } } while (0) diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index c3d7440409..0d677d5f34 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -284,7 +284,7 @@ struct { void (*check_io)(int); Uint (*size)(void); Eterm (*info)(void *); - int (*check_io_debug)(void); + int (*check_io_debug)(ErtsCheckIoDebugInfo *); } io_func = {0}; @@ -306,9 +306,9 @@ Eterm erts_check_io_info(void *p) } int -erts_check_io_debug(void) +erts_check_io_debug(ErtsCheckIoDebugInfo *ip) { - return (*io_func.check_io_debug)(); + return (*io_func.check_io_debug)(ip); } diff --git a/erts/emulator/sys/win32/erl_poll.c b/erts/emulator/sys/win32/erl_poll.c index 7a1d129cd5..972170d465 100644 --- a/erts/emulator/sys/win32/erl_poll.c +++ b/erts/emulator/sys/win32/erl_poll.c @@ -1085,7 +1085,7 @@ void erts_poll_controlv(ErtsPollSet ps, pcev[i].events, pcev[i].on); } - ERTS_POLLSET_LOCK(ps); + ERTS_POLLSET_UNLOCK(ps); HARDTRACEF(("Out erts_poll_controlv")); } diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h index a78dbf64af..838f0c61eb 100644 --- a/erts/emulator/sys/win32/erl_win_sys.h +++ b/erts/emulator/sys/win32/erl_win_sys.h @@ -113,12 +113,10 @@ /* * Our own type of "FD's" */ +#define ERTS_SYS_FD_INVALID INVALID_HANDLE_VALUE #define ERTS_SYS_FD_TYPE HANDLE #define NO_FSTAT_ON_SYS_FD_TYPE 1 /* They are events, not files */ -#define HAVE_ERTS_CHECK_IO_DEBUG -int erts_check_io_debug(void); - /* * For erl_time_sup */ diff --git a/erts/emulator/test/a_SUITE.erl b/erts/emulator/test/a_SUITE.erl index 195c9c0a5f..17579be416 100644 --- a/erts/emulator/test/a_SUITE.erl +++ b/erts/emulator/test/a_SUITE.erl @@ -97,23 +97,13 @@ display_check_io(ChkIo) -> catch erlang:display('--- CHECK IO INFO ---'), catch erlang:display(ChkIo), catch erts_debug:set_internal_state(available_internal_state, true), - NoOfErrorFds = (catch erts_debug:get_internal_state(check_io_debug)), + NoOfErrorFds = (catch element(1, erts_debug:get_internal_state(check_io_debug))), catch erlang:display({'NoOfErrorFds', NoOfErrorFds}), catch erts_debug:set_internal_state(available_internal_state, false), catch erlang:display('--- CHECK IO INFO ---'), ok. get_check_io_info() -> - ChkIo = erlang:system_info(check_io), - case lists:keysearch(pending_updates, 1, ChkIo) of - {value, {pending_updates, 0}} -> - display_check_io(ChkIo), - ChkIo; - false -> - ChkIo; - _ -> - receive after 10 -> ok end, - get_check_io_info() - end. + z_SUITE:get_check_io_info(). diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl index 336b6188f6..8d2c620be0 100644 --- a/erts/emulator/test/driver_SUITE.erl +++ b/erts/emulator/test/driver_SUITE.erl @@ -31,8 +31,9 @@ end_per_suite/1, init_per_group/2,end_per_group/2, init_per_testcase/2, end_per_testcase/2, + + a_test/1, outputv_echo/1, - timer_measure/1, timer_cancel/1, timer_change/1, @@ -79,7 +80,8 @@ thr_free_drv/1, async_blast/1, thr_msg_blast/1, - consume_timeslice/1]). + consume_timeslice/1, + z_test/1]). -export([bin_prefix/2]). @@ -122,19 +124,19 @@ init_per_testcase(Case, Config) when is_atom(Case), is_list(Config) -> _ -> erts_debug:set_internal_state(available_internal_state, true) end, erlang:display({init_per_testcase, Case}), - ?line 0 = erts_debug:get_internal_state(check_io_debug), + ?line 0 = element(1, erts_debug:get_internal_state(check_io_debug)), [{watchdog, Dog},{testcase, Case}|Config]. end_per_testcase(Case, Config) -> Dog = ?config(watchdog, Config), erlang:display({end_per_testcase, Case}), - ?line 0 = erts_debug:get_internal_state(check_io_debug), + ?line 0 = element(1, erts_debug:get_internal_state(check_io_debug)), ?t:timetrap_cancel(Dog). suite() -> [{ct_hooks,[ts_install_cth]}]. -all() -> - [outputv_errors, outputv_echo, queue_echo, {group, timer}, +all() -> %% Keep a_test first and z_test last... + [a_test, outputv_errors, outputv_echo, queue_echo, {group, timer}, driver_unloaded, io_ready_exit, use_fallback_pollset, bad_fd_in_pollset, driver_event, fd_change, steal_control, otp_6602, driver_system_info_base_ver, @@ -151,7 +153,8 @@ all() -> thr_free_drv, async_blast, thr_msg_blast, - consume_timeslice]. + consume_timeslice, + z_test]. groups() -> [{timer, [], @@ -917,8 +920,7 @@ steal_control_test(Hndl = {erts_poll_info, Before}) -> end. chkio_test_init(Config) when is_list(Config) -> - ?line wait_until_no_pending_updates(), - ?line ChkIo = erlang:system_info(check_io), + ?line ChkIo = get_stable_check_io_info(), ?line case catch lists:keysearch(name, 1, ChkIo) of {value, {name, erts_poll}} -> ?line ?t:format("Before test: ~p~n", [ChkIo]), @@ -937,8 +939,7 @@ chkio_test_fini({skipped, _} = Res) -> chkio_test_fini({chkio_test_result, Res, Before}) -> ?line ok = erl_ddll:unload_driver('chkio_drv'), ?line ok = erl_ddll:stop(), - ?line wait_until_no_pending_updates(), - ?line After = erlang:system_info(check_io), + ?line After = get_stable_check_io_info(), ?line ?t:format("After test: ~p~n", [After]), ?line verify_chkio_state(Before, After), ?line Res. @@ -985,7 +986,7 @@ chkio_test({erts_poll_info, Before}, ?line Fun(), ?line During = erlang:system_info(check_io), ?line erlang:display(During), - ?line 0 = erts_debug:get_internal_state(check_io_debug), + ?line 0 = element(1, erts_debug:get_internal_state(check_io_debug)), ?line ?t:format("During test: ~p~n", [During]), ?line chk_chkio_port(Port), ?line case erlang:port_control(Port, ?CHKIO_STOP, "") of @@ -1034,18 +1035,22 @@ verify_chkio_state(Before, After) -> After) end, ?line ok. - - -wait_until_no_pending_updates() -> - case lists:keysearch(pending_updates, 1, erlang:system_info(check_io)) of - {value, {pending_updates, 0}} -> - ok; - false -> - ok; +get_stable_check_io_info() -> + ChkIo = erlang:system_info(check_io), + PendUpdNo = case lists:keysearch(pending_updates, 1, ChkIo) of + {value, {pending_updates, PendNo}} -> + PendNo; + false -> + 0 + end, + {value, {active_fds, ActFds}} = lists:keysearch(active_fds, 1, ChkIo), + case {PendUpdNo, ActFds} of + {0, 0} -> + ChkIo; _ -> receive after 10 -> ok end, - wait_until_no_pending_updates() + get_stable_check_io_info() end. otp_6602(doc) -> ["Missed port lock when stealing control of fd from a " @@ -2387,10 +2392,25 @@ count_proc_sched(Ps, PNs) -> PNs end. +a_test(Config) when is_list(Config) -> + check_io_debug(). + +z_test(Config) when is_list(Config) -> + check_io_debug(). + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Utilities %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +check_io_debug() -> + get_stable_check_io_info(), + {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} + = erts_debug:get_internal_state(check_io_debug), + 0 = NoErrorFds, + NoUsedFds = NoDrvSelStructs, + 0 = NoDrvEvStructs, + ok. + %flush_msgs() -> % receive % M -> diff --git a/erts/emulator/test/float_SUITE_data/fp_drv.c b/erts/emulator/test/float_SUITE_data/fp_drv.c index b80385c3f9..82d18d6440 100644 --- a/erts/emulator/test/float_SUITE_data/fp_drv.c +++ b/erts/emulator/test/float_SUITE_data/fp_drv.c @@ -29,9 +29,14 @@ #if defined (__GNUC__) int _finite(double x); #endif -#ifndef finite -#define finite _finite +#ifndef isfinite +#define isfinite _finite #endif +#elif !defined(HAVE_ISFINITE) && defined(HAVE_FINITE) +/* If not windows and we do not have isfinite */ +#define isfinite finite +#elif !defined(HAVE_ISFINITE) +# error "No finite function found!" #endif #include "erl_driver.h" @@ -79,21 +84,21 @@ do_test(void *unused) x = 3.23e133; y = 3.57e257; z = x*y; - if (finite(z)) + if (isfinite(z)) return "is finite (1)"; x = 5.0; y = 0.0; z = x/y; - if (finite(z)) + if (isfinite(z)) return "is finite (2)"; z = log(-1.0); - if (finite(z)) + if (isfinite(z)) return "is finite (3)"; z = log(0.0); - if (finite(z)) + if (isfinite(z)) return "is finite (4)"; return "ok"; diff --git a/erts/emulator/test/z_SUITE.erl b/erts/emulator/test/z_SUITE.erl index 4b3075a164..b0c6224dfe 100644 --- a/erts/emulator/test/z_SUITE.erl +++ b/erts/emulator/test/z_SUITE.erl @@ -38,7 +38,7 @@ -export([schedulers_alive/1, node_container_refc_check/1, long_timers/1, pollset_size/1, - check_io_debug/1]). + check_io_debug/1, get_check_io_info/0]). -define(DEFAULT_TIMEOUT, ?t:minutes(5)). @@ -288,11 +288,14 @@ check_io_debug(Config) when is_list(Config) -> end. check_io_debug_test() -> + ?line erlang:display(get_check_io_info()), ?line erts_debug:set_internal_state(available_internal_state, true), - ?line erlang:display(erlang:system_info(check_io)), - ?line NoOfErrorFds = erts_debug:get_internal_state(check_io_debug), + ?line {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} + = erts_debug:get_internal_state(check_io_debug), ?line erts_debug:set_internal_state(available_internal_state, false), - ?line 0 = NoOfErrorFds, + ?line 0 = NoErrorFds, + ?line NoUsedFds = NoDrvSelStructs, + ?line 0 = NoDrvEvStructs, ?line ok. @@ -305,7 +308,7 @@ display_check_io(ChkIo) -> catch erlang:display('--- CHECK IO INFO ---'), catch erlang:display(ChkIo), catch erts_debug:set_internal_state(available_internal_state, true), - NoOfErrorFds = (catch erts_debug:get_internal_state(check_io_debug)), + NoOfErrorFds = (catch element(1, erts_debug:get_internal_state(check_io_debug))), catch erlang:display({'NoOfErrorFds', NoOfErrorFds}), catch erts_debug:set_internal_state(available_internal_state, false), catch erlang:display('--- CHECK IO INFO ---'), @@ -313,14 +316,19 @@ display_check_io(ChkIo) -> get_check_io_info() -> ChkIo = erlang:system_info(check_io), - case lists:keysearch(pending_updates, 1, ChkIo) of - {value, {pending_updates, 0}} -> + PendUpdNo = case lists:keysearch(pending_updates, 1, ChkIo) of + {value, {pending_updates, PendNo}} -> + PendNo; + false -> + 0 + end, + {value, {active_fds, ActFds}} = lists:keysearch(active_fds, 1, ChkIo), + case {PendUpdNo, ActFds} of + {0, 0} -> display_check_io(ChkIo), ChkIo; - false -> - ChkIo; _ -> - receive after 10 -> ok end, + receive after 100 -> ok end, get_check_io_info() end. diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index 709c6f02d1..5ebde8ca3c 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -128,6 +128,7 @@ static char *pluss_val_switches[] = { "bwt", "cl", "ct", + "ecio", "fwi", "tbt", "wct", diff --git a/erts/etc/common/run_erl_common.c b/erts/etc/common/run_erl_common.c index 580b6cc3c5..20b78eb05e 100644 --- a/erts/etc/common/run_erl_common.c +++ b/erts/etc/common/run_erl_common.c @@ -36,6 +36,10 @@ # include <syslog.h> #endif +#ifdef HAVE_SYS_IOCTL_H +# include <sys/ioctl.h> +#endif + #ifdef __OSE__ # include "ramlog.h" #endif @@ -637,7 +641,7 @@ int erts_run_erl_open_fifo(char *pipename,char *w_pipename,char *r_pipename) { /* Extract any control sequences that are ment only for run_erl * and should not be forwarded to the pty. */ -int erts_run_erl_extract_ctrl_seq(char* buf, int len) +int erts_run_erl_extract_ctrl_seq(char* buf, int len, int mfd) { static const char prefix[] = "\033_"; static const char suffix[] = "\033\\"; @@ -662,7 +666,7 @@ int erts_run_erl_extract_ctrl_seq(char* buf, int len) struct winsize ws; ws.ws_col = col; ws.ws_row = row; - if (ioctl(MFD, TIOCSWINSZ, &ws) < 0) { + if (ioctl(mfd, TIOCSWINSZ, &ws) < 0) { ERRNO_ERR0(LOG_ERR,"Failed to set window size"); } #endif diff --git a/erts/etc/common/run_erl_common.h b/erts/etc/common/run_erl_common.h index c47a0db054..14207ee4de 100644 --- a/erts/etc/common/run_erl_common.h +++ b/erts/etc/common/run_erl_common.h @@ -40,7 +40,7 @@ void erts_run_erl_log_error(int priority, int line, const char *format,...); int erts_run_erl_open_fifo(char *pipename,char *w_pipename,char *r_pipename); int erts_run_erl_log_alive_minutes(void); -int erts_run_erl_extract_ctrl_seq(char* buf, int len); +int erts_run_erl_extract_ctrl_seq(char* buf, int len, int mfd); /* File operations */ ssize_t sf_read(int fd, void *buffer, size_t len); diff --git a/erts/etc/ose/run_erl.c b/erts/etc/ose/run_erl.c index 6bb59b7f7e..8bc49a485e 100644 --- a/erts/etc/ose/run_erl.c +++ b/erts/etc/ose/run_erl.c @@ -495,7 +495,7 @@ int pass_on(ProgramState *s) { #ifdef DEBUG erts_run_erl_log_status("Pty master write; "); #endif - len = erts_run_erl_extract_ctrl_seq(buffer,len); + len = erts_run_erl_extract_ctrl_seq(buffer,len, s->ofd); if (len > 0) { int wlen = erts_run_erl_write_all(s->ofd, buffer, len); diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in index e22771c582..0190ea613e 100644 --- a/erts/etc/unix/etp-commands.in +++ b/erts/etc/unix/etp-commands.in @@ -1130,6 +1130,39 @@ document etp-cp %--------------------------------------------------------------------------- end +define etp-check-beam-ranges + set $etp_ci = 0 + while $etp_ci < 3 + printf "Checking code index %i...\n", $etp_ci + set $etp_j = 0 + while $etp_j < r[$etp_ci].n + set $etp_p = &r[$etp_ci].modules[$etp_j] + if $etp_j > 0 && $etp_p->start < (Range*)$etp_p[-1].end.counter + printf "r[%i].modules[%i]: ERROR start < previous\n", $etp_ci, $etp_j + end + if $etp_p->start > (Range*)$etp_p->end.counter + printf "r[%i].modules[%i]: ERROR start > end\n", $etp_ci, $etp_j + else + if $etp_p->start == (Range*)$etp_p->end.counter + printf "r[%i].modules[%i]: Purged\n", $etp_ci, $etp_j + end + end + set $etp_j = $etp_j + 1 + end + set $etp_ci = $etp_ci + 1 + end +end + +document etp-check-beam-ranges +%--------------------------------------------------------------------------- +% etp-check-beam-ranges +% +% Do consistency check of beam_ranges data structure +% and print errors and empty slots from purged modules. +%--------------------------------------------------------------------------- +end + + ############################################################################ # Commands for special term bunches. # diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c index 4b123b8911..049e83f9e4 100644 --- a/erts/etc/unix/run_erl.c +++ b/erts/etc/unix/run_erl.c @@ -490,7 +490,7 @@ static void pass_on(pid_t childpid) #ifdef DEBUG erts_run_erl_log_status("Pty master write; "); #endif - len = erts_run_erl_extract_ctrl_seq(buf, len); + len = erts_run_erl_extract_ctrl_seq(buf, len, mfd); if(len==1 && buf[0] == '\003') { kill(childpid,SIGINT); diff --git a/erts/lib_src/common/erl_misc_utils.c b/erts/lib_src/common/erl_misc_utils.c index d58a28b5cb..7833dd8219 100644 --- a/erts/lib_src/common/erl_misc_utils.c +++ b/erts/lib_src/common/erl_misc_utils.c @@ -1515,7 +1515,7 @@ const char* parse_topology_spec_group(erts_cpu_info_t *cpuinfo, const char* xml, if (is_thread_group) { thread++; } else { - *core_p = (*core_p)++; + *core_p = (*core_p) + 1; } index_procs++; } @@ -1535,9 +1535,9 @@ const char* parse_topology_spec_group(erts_cpu_info_t *cpuinfo, const char* xml, if (parentCacheLevel == 0) { *core_p = 0; - *processor_p = (*processor_p)++; + *processor_p = (*processor_p) + 1; } else { - *core_p = (*core_p)++; + *core_p = (*core_p) + 1; } if (error) diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam Binary files differindex c5cf4b459f..1893dd84ac 100644 --- a/erts/preloaded/ebin/erlang.beam +++ b/erts/preloaded/ebin/erlang.beam diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 98d7a942a6..4ba623d921 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -2233,6 +2233,7 @@ tuple_to_list(_Tuple) -> (dynamic_trace) -> none | dtrace | systemtap; (dynamic_trace_probes) -> boolean(); (elib_malloc) -> false; + (eager_check_io) -> boolean(); (ets_limit) -> pos_integer(); (fullsweep_after) -> {fullsweep_after, non_neg_integer()}; (garbage_collection) -> [{atom(), integer()}]; diff --git a/erts/vsn.mk b/erts/vsn.mk index b6a38f9361..c8c533a221 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -17,7 +17,7 @@ # %CopyrightEnd% # -VSN = 6.2 +VSN = 6.2.1 # Port number 4365 in 4.2 # Port number 4366 in 4.3 diff --git a/lib/debugger/src/dbg_icmd.erl b/lib/debugger/src/dbg_icmd.erl index b1bf4ebecc..ce12c1beb3 100644 --- a/lib/debugger/src/dbg_icmd.erl +++ b/lib/debugger/src/dbg_icmd.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2013. All Rights Reserved. +%% Copyright Ericsson AB 1998-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -49,10 +49,6 @@ %% specifies if the process should break. %%-------------------------------------------------------------------- -%% Common Test adaptation -cmd({call_remote,0,ct_line,line,_As}, Bs, _Ieval) -> - Bs; - cmd(Expr, Bs, Ieval) -> cmd(Expr, Bs, get(next_break), Ieval). diff --git a/lib/debugger/src/dbg_ieval.erl b/lib/debugger/src/dbg_ieval.erl index 77297de0f3..96f9f91808 100644 --- a/lib/debugger/src/dbg_ieval.erl +++ b/lib/debugger/src/dbg_ieval.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2013. All Rights Reserved. +%% Copyright Ericsson AB 1998-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -457,11 +457,6 @@ do_eval_function(Mod, Fun, As0, Bs0, _, Ieval0) when is_function(Fun); exception(error, Reason, Bs0, Ieval0) end; -%% Common Test adaptation -do_eval_function(ct_line, line, As, Bs, extern, #ieval{level=Le}=Ieval) -> - debugged_cmd({apply,ct_line,line,As}, Bs, Ieval#ieval{level=Le+1}), - {value, ignore, Bs}; - do_eval_function(Mod, Name, As0, Bs0, Called, Ieval0) -> #ieval{level=Le,line=Li,top=Top} = Ieval0, trace(call, {Called, {Le,Li,Mod,Name,As0}}), @@ -896,11 +891,6 @@ expr({make_ext_fun,Line,MFA0}, Bs0, Ieval0) -> exception(error, badarg, Bs, Ieval, true) end; -%% Common test adaptation -expr({call_remote,0,ct_line,line,As0,Lc}, Bs0, Ieval0) -> - {As,_Bs} = eval_list(As0, Bs0, Ieval0), - eval_function(ct_line, line, As, Bs0, extern, Ieval0, Lc); - %% Local function call expr({local_call,Line,F,As0,Lc}, Bs0, #ieval{module=M} = Ieval0) -> Ieval = Ieval0#ieval{line=Line}, diff --git a/lib/debugger/src/int.erl b/lib/debugger/src/int.erl index 2755db64b8..908390ce50 100644 --- a/lib/debugger/src/int.erl +++ b/lib/debugger/src/int.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2013. All Rights Reserved. +%% Copyright Ericsson AB 1998-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -265,9 +265,6 @@ first_lines(Clauses) -> first_line({clause,_L,_Vars,_,Exprs}) -> first_line(Exprs); -%% Common Test adaptation -first_line([{call_remote,0,ct_line,line,_As}|Exprs]) -> - first_line(Exprs); first_line([Expr|_Exprs]) -> % Expr = {Op, Line, ..varying no of args..} element(2, Expr). diff --git a/lib/eldap/doc/src/eldap.xml b/lib/eldap/doc/src/eldap.xml index dbd478fb17..4417551aa8 100644 --- a/lib/eldap/doc/src/eldap.xml +++ b/lib/eldap/doc/src/eldap.xml @@ -48,7 +48,7 @@ scope() See baseObject/0, singleLevel/0, wholeSubtree/0 dereference() See neverDerefAliases/0, derefInSearching/0, derefFindingBaseObj/0, derefAlways/0 filter() See present/1, substrings/2, equalityMatch/2, greaterOrEqual/2, lessOrEqual/2, - approxMatch/2, + approxMatch/2, extensibleMatch/2, 'and'/1, 'or'/1, 'not'/1. </pre> <p></p> @@ -348,6 +348,16 @@ filter() See present/1, substrings/2, <desc> <p>Create a approximation match filter.</p> </desc> </func> <func> + <name>extensibleMatch(MatchValue, OptionalAttrs) -> filter()</name> + <fsummary>Create search filter option.</fsummary> + <type> + <v>MatchValue = string()</v> + <v>OptionalAttrs = [Attr]</v> + <v>Attr = {matchingRule,string()} | {type,string()} | {dnAttributes,boolean()}</v> + </type> + <desc> <p>Creates an extensible match filter. For example, <c>eldap:extensibleMatch("Bar",[{type,"sn"},{matchingRule,"caseExactMatch"}]))</c> creates a filter which performs a <c>caseExactMatch</c> on the attribute <c>sn</c> and matches with the value <c>"Bar"</c>. The default value of <c>dnAttributes</c> is <c>false</c>.</p> </desc> + </func> + <func> <name>'and'([Filter]) -> filter()</name> <fsummary>Create search filter option.</fsummary> <type> diff --git a/lib/eldap/src/eldap.erl b/lib/eldap/src/eldap.erl index 416334e365..3fa440d37d 100644 --- a/lib/eldap/src/eldap.erl +++ b/lib/eldap/src/eldap.erl @@ -15,6 +15,7 @@ getopts/2, baseObject/0,singleLevel/0,wholeSubtree/0,close/1, equalityMatch/2,greaterOrEqual/2,lessOrEqual/2, + extensibleMatch/2, approxMatch/2,search/2,substrings/2,present/1, 'and'/1,'or'/1,'not'/1,modify/3, mod_add/2, mod_delete/2, mod_replace/2, add/3, delete/2, modify_dn/5,parse_dn/1, @@ -350,6 +351,27 @@ substrings(Type, SubStr) when is_list(Type), is_list(SubStr) -> {substrings,#'SubstringFilter'{type = Type, substrings = Ss}}. +%%% +%%% Filter for extensibleMatch +%%% +extensibleMatch(MatchValue, OptArgs) -> + MatchingRuleAssertion = + mra(OptArgs, #'MatchingRuleAssertion'{matchValue = MatchValue}), + {extensibleMatch, MatchingRuleAssertion}. + +mra([{matchingRule,Val}|T], Ack) when is_list(Val) -> + mra(T, Ack#'MatchingRuleAssertion'{matchingRule=Val}); +mra([{type,Val}|T], Ack) when is_list(Val) -> + mra(T, Ack#'MatchingRuleAssertion'{type=Val}); +mra([{dnAttributes,true}|T], Ack) -> + mra(T, Ack#'MatchingRuleAssertion'{dnAttributes="TRUE"}); +mra([{dnAttributes,false}|T], Ack) -> + mra(T, Ack#'MatchingRuleAssertion'{dnAttributes="FALSE"}); +mra([H|_], _) -> + throw({error,{extensibleMatch_arg,H}}); +mra([], Ack) -> + Ack. + %%% -------------------------------------------------------------------- %%% Worker process. We keep track of a controlling process to %%% be able to terminate together with it. @@ -862,6 +884,7 @@ v_filter({lessOrEqual,AV}) -> {lessOrEqual,AV}; v_filter({approxMatch,AV}) -> {approxMatch,AV}; v_filter({present,A}) -> {present,A}; v_filter({substrings,S}) when is_record(S,'SubstringFilter') -> {substrings,S}; +v_filter({extensibleMatch,S}) when is_record(S,'MatchingRuleAssertion') -> {extensibleMatch,S}; v_filter(_Filter) -> throw({error,concat(["unknown filter: ",_Filter])}). v_modifications(Mods) -> diff --git a/lib/eldap/test/eldap_basic_SUITE.erl b/lib/eldap/test/eldap_basic_SUITE.erl index 6c3d303da0..d87f3ac4ac 100644 --- a/lib/eldap/test/eldap_basic_SUITE.erl +++ b/lib/eldap/test/eldap_basic_SUITE.erl @@ -106,7 +106,9 @@ api(doc) -> "Basic test that all api functions works as expected"; api(suite) -> []; api(Config) -> {Host,Port} = proplists:get_value(ldap_server, Config), - {ok, H} = eldap:open([Host], [{port,Port}]), + {ok, H} = eldap:open([Host], [{port,Port} + ,{log,fun(Lvl,Fmt,Args)-> io:format("~p: ~s",[Lvl,io_lib:format(Fmt,Args)]) end} + ]), %% {ok, H} = eldap:open([Host], [{port,Port+1}, {ssl, true}]), do_api_checks(H, Config), eldap:close(H), @@ -232,6 +234,12 @@ chk_search(H, BasePath) -> {ok, #eldap_search_result{entries=[#eldap_entry{}]}} = Search(F_AND), F_NOT = eldap:'and'([eldap:present("objectclass"), eldap:'not'(eldap:present("ou"))]), {ok, #eldap_search_result{entries=[#eldap_entry{}, #eldap_entry{}]}} = Search(F_NOT), + {ok, #eldap_search_result{entries=[#eldap_entry{}]}} = Search(eldap:extensibleMatch("Bar",[{type,"sn"},{matchingRule,"caseExactMatch"}])), + {ok, #eldap_search_result{entries=[#eldap_entry{}]}} = Search(eldap:extensibleMatch("Bar",[{type,"sn"},{matchingRule,"2.5.13.5"}])), + {ok, #eldap_search_result{entries=[#eldap_entry{}]}} = Search(eldap:extensibleMatch("Bar",[{type,"sn"},{matchingRule,"caseIgnoreMatch"}])), + {ok, #eldap_search_result{entries=[#eldap_entry{}]}} = Search(eldap:extensibleMatch("bar",[{type,"sn"},{matchingRule,"caseIgnoreMatch"}])), + {ok, #eldap_search_result{entries=[]}} = Search(eldap:extensibleMatch("bar",[{type,"sn"},{matchingRule,"gluffgluff"}])), + {ok, #eldap_search_result{entries=[]}} = Search(eldap:extensibleMatch("bar",[{type,"sn"},{matchingRule,"caseExactMatch"}])), {ok,FB}. %% FIXME chk_modify(H, FB) -> diff --git a/lib/eldap/vsn.mk b/lib/eldap/vsn.mk index 5e32f92fa8..432ba2e742 100644 --- a/lib/eldap/vsn.mk +++ b/lib/eldap/vsn.mk @@ -1 +1 @@ -ELDAP_VSN = 1.0.4
\ No newline at end of file +ELDAP_VSN = 1.1 diff --git a/lib/erl_interface/src/decode/decode_big.c b/lib/erl_interface/src/decode/decode_big.c index b54ac85be2..b87d97d634 100644 --- a/lib/erl_interface/src/decode/decode_big.c +++ b/lib/erl_interface/src/decode/decode_big.c @@ -151,13 +151,18 @@ int ei_big_comp(erlang_big *x, erlang_big *y) #endif #ifdef USE_ISINF_ISNAN /* simulate finite() */ -# define finite(f) (!isinf(f) && !isnan(f)) -# define HAVE_FINITE +# define isfinite(f) (!isinf(f) && !isnan(f)) +# define HAVE_ISFINITE +#elif defined(isfinite) && !defined(HAVE_ISFINITE) +# define HAVE_ISFINITE +#elif !defined(HAVE_ISFINITE) && defined(HAVE_FINITE) +# define isfinite finite +# define HAVE_ISFINITE #endif #ifdef NO_FPE_SIGNALS # define ERTS_FP_CHECK_INIT() do {} while (0) -# define ERTS_FP_ERROR(f, Action) if (!finite(f)) { Action; } else {} +# define ERTS_FP_ERROR(f, Action) if (!isfinite(f)) { Action; } else {} # define ERTS_SAVE_FP_EXCEPTION() # define ERTS_RESTORE_FP_EXCEPTION() #else diff --git a/lib/inets/src/ftp/ftp.erl b/lib/inets/src/ftp/ftp.erl index 5674599ac5..8e51b1be5a 100644 --- a/lib/inets/src/ftp/ftp.erl +++ b/lib/inets/src/ftp/ftp.erl @@ -60,6 +60,7 @@ -define(DATA_ACCEPT_TIMEOUT, infinity). -define(DEFAULT_MODE, passive). -define(PROGRESS_DEFAULT, ignore). +-define(FTP_EXT_DEFAULT, false). %% Internal Constants -define(FTP_PORT, 21). @@ -94,7 +95,8 @@ ipfamily, % inet | inet6 | inet6fb4 progress = ignore, % ignore | pid() dtimeout = ?DATA_ACCEPT_TIMEOUT, % non_neg_integer() | infinity - tls_upgrading_data_connection = false + tls_upgrading_data_connection = false, + ftp_extension = ?FTP_EXT_DEFAULT }). @@ -969,6 +971,8 @@ start_options(Options) -> %% timeout %% dtimeout %% progress +%% ftp_extension + open_options(Options) -> ?fcrt("open_options", [{options, Options}]), ValidateMode = @@ -1013,6 +1017,11 @@ open_options(Options) -> (_) -> false end, + ValidateFtpExtension = + fun(true) -> true; + (false) -> true; + (_) -> false + end, ValidOptions = [{mode, ValidateMode, false, ?DEFAULT_MODE}, {host, ValidateHost, true, ehost}, @@ -1020,7 +1029,8 @@ open_options(Options) -> {ipfamily, ValidateIpFamily, false, inet}, {timeout, ValidateTimeout, false, ?CONNECTION_TIMEOUT}, {dtimeout, ValidateDTimeout, false, ?DATA_ACCEPT_TIMEOUT}, - {progress, ValidateProgress, false, ?PROGRESS_DEFAULT}], + {progress, ValidateProgress, false, ?PROGRESS_DEFAULT}, + {ftp_extension, ValidateFtpExtension, false, ?FTP_EXT_DEFAULT}], validate_options(Options, ValidOptions, []). tls_options(Options) -> @@ -1174,12 +1184,14 @@ handle_call({_, {open, ip_comm, Opts}}, From, State) -> DTimeout = key_search(dtimeout, Opts, ?DATA_ACCEPT_TIMEOUT), Progress = key_search(progress, Opts, ignore), IpFamily = key_search(ipfamily, Opts, inet), + FtpExt = key_search(ftp_extension, Opts, ?FTP_EXT_DEFAULT), State2 = State#state{client = From, mode = Mode, progress = progress(Progress), ipfamily = IpFamily, - dtimeout = DTimeout}, + dtimeout = DTimeout, + ftp_extension = FtpExt}, ?fcrd("handle_call(open) -> setup ctrl connection with", [{host, Host}, {port, Port}, {timeout, Timeout}]), @@ -1202,11 +1214,13 @@ handle_call({_, {open, ip_comm, Host, Opts}}, From, State) -> Timeout = key_search(timeout, Opts, ?CONNECTION_TIMEOUT), DTimeout = key_search(dtimeout, Opts, ?DATA_ACCEPT_TIMEOUT), Progress = key_search(progress, Opts, ignore), + FtpExt = key_search(ftp_extension, Opts, ?FTP_EXT_DEFAULT), State2 = State#state{client = From, mode = Mode, progress = progress(Progress), - dtimeout = DTimeout}, + dtimeout = DTimeout, + ftp_extension = FtpExt}, case setup_ctrl_connection(Host, Port, Timeout, State2) of {ok, State3, WaitTimeout} -> @@ -1785,7 +1799,8 @@ handle_ctrl_result({pos_compl, Lines}, ipfamily = inet, client = From, caller = {setup_data_connection, Caller}, - timeout = Timeout} = State) -> + timeout = Timeout, + ftp_extension = false} = State) -> {_, [?LEFT_PAREN | Rest]} = lists:splitwith(fun(?LEFT_PAREN) -> false; (_) -> true end, Lines), @@ -1806,6 +1821,28 @@ handle_ctrl_result({pos_compl, Lines}, {noreply,State#state{client = undefined, caller = undefined}} end; +handle_ctrl_result({pos_compl, Lines}, + #state{mode = passive, + ipfamily = inet, + client = From, + caller = {setup_data_connection, Caller}, + csock = CSock, + timeout = Timeout, + ftp_extension = true} = State) -> + + [_, PortStr | _] = lists:reverse(string:tokens(Lines, "|")), + {ok, {IP, _}} = peername(CSock), + + ?DBG('<--data tcp connect to ~p:~p, Caller=~p~n',[IP,PortStr,Caller]), + case connect(IP, list_to_integer(PortStr), Timeout, State) of + {ok, _, Socket} -> + handle_caller(State#state{caller = Caller, dsock = {tcp, Socket}}); + {error, _Reason} = Error -> + gen_server:reply(From, Error), + {noreply, State#state{client = undefined, caller = undefined}} + end; + + %% FTP server does not support passive mode: try to fallback on active mode handle_ctrl_result(_, #state{mode = passive, @@ -2157,7 +2194,8 @@ setup_ctrl_connection(Host, Port, Timeout, State) -> setup_data_connection(#state{mode = active, caller = Caller, - csock = CSock} = State) -> + csock = CSock, + ftp_extension = FtpExt} = State) -> case (catch sockname(CSock)) of {ok, {{_, _, _, _, _, _, _, _} = IP, _}} -> {ok, LSock} = @@ -2174,11 +2212,18 @@ setup_data_connection(#state{mode = active, {ok, LSock} = gen_tcp:listen(0, [{ip, IP}, {active, false}, binary, {packet, 0}]), {ok, Port} = inet:port(LSock), - {IP1, IP2, IP3, IP4} = IP, - {Port1, Port2} = {Port div 256, Port rem 256}, - send_ctrl_message(State, - mk_cmd("PORT ~w,~w,~w,~w,~w,~w", - [IP1, IP2, IP3, IP4, Port1, Port2])), + case FtpExt of + false -> + {IP1, IP2, IP3, IP4} = IP, + {Port1, Port2} = {Port div 256, Port rem 256}, + send_ctrl_message(State, + mk_cmd("PORT ~w,~w,~w,~w,~w,~w", + [IP1, IP2, IP3, IP4, Port1, Port2])); + true -> + IpAddress = inet_parse:ntoa(IP), + Cmd = mk_cmd("EPRT |1|~s|~p|", [IpAddress, Port]), + send_ctrl_message(State, Cmd) + end, activate_ctrl_connection(State), {noreply, State#state{caller = {setup_data_connection, {LSock, Caller}}}} @@ -2191,9 +2236,17 @@ setup_data_connection(#state{mode = passive, ipfamily = inet6, {noreply, State#state{caller = {setup_data_connection, Caller}}}; setup_data_connection(#state{mode = passive, ipfamily = inet, - caller = Caller} = State) -> + caller = Caller, + ftp_extension = false} = State) -> send_ctrl_message(State, mk_cmd("PASV", [])), activate_ctrl_connection(State), + {noreply, State#state{caller = {setup_data_connection, Caller}}}; + +setup_data_connection(#state{mode = passive, ipfamily = inet, + caller = Caller, + ftp_extension = true} = State) -> + send_ctrl_message(State, mk_cmd("EPSV", [])), + activate_ctrl_connection(State), {noreply, State#state{caller = {setup_data_connection, Caller}}}. connect(Host, Port, Timeout, #state{ipfamily = inet = IpFam}) -> diff --git a/lib/kernel/test/gen_tcp_api_SUITE_data/gen_tcp_api_SUITE.c b/lib/kernel/test/gen_tcp_api_SUITE_data/gen_tcp_api_SUITE.c index 73a6568b30..d774767624 100644 --- a/lib/kernel/test/gen_tcp_api_SUITE_data/gen_tcp_api_SUITE.c +++ b/lib/kernel/test/gen_tcp_api_SUITE_data/gen_tcp_api_SUITE.c @@ -26,8 +26,10 @@ #ifdef __WIN32__ #include <winsock2.h> +#define sock_close(s) closesocket(s) #else #include <sys/socket.h> +#define sock_close(s) close(s) #endif #define sock_open(af, type, proto) socket((af), (type), (proto)) @@ -46,7 +48,7 @@ static ERL_NIF_TERM closesockfd(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg enif_get_int(env, argv[0], &fd); - close(fd); + sock_close(fd); return enif_make_int(env, fd); } diff --git a/lib/mnesia/doc/src/Mnesia_chap3.xml b/lib/mnesia/doc/src/Mnesia_chap3.xml index d6b4a1c6a1..ae704b4199 100644 --- a/lib/mnesia/doc/src/Mnesia_chap3.xml +++ b/lib/mnesia/doc/src/Mnesia_chap3.xml @@ -152,7 +152,7 @@ Transformer = <c>ignore</c>, it indicates that only the meta data about the table will be updated. Usage of <c>ignore</c> is not recommended (since it creates inconsistencies between the meta data and the actual data) but included - as a possibility for the user do to his own (off-line) transform.</p> + as a possibility for the user to do his own (off-line) transform.</p> </item> <item><c>change_table_copy_type(Tab, Node, ToType)</c>. This function changes the storage type of a table. For example, a diff --git a/lib/mnesia/doc/src/mnesia.xml b/lib/mnesia/doc/src/mnesia.xml index 72e9bd7e8f..268dc18e65 100644 --- a/lib/mnesia/doc/src/mnesia.xml +++ b/lib/mnesia/doc/src/mnesia.xml @@ -2766,7 +2766,7 @@ raise(Name, Amount) -> new type. The <c>Fun</c> argument can also be the atom <c>ignore</c>, it indicates that only the meta data about the table will be updated. Usage of <c>ignore</c> is not recommended but included - as a possibility for the user do to his own transform. + as a possibility for the user to do his own transform. <c>NewAttributeList</c> and <c>NewRecordName</c> specifies the attributes and the new record type of converted table. Table name will always remain unchanged, if the diff --git a/lib/odbc/configure.in b/lib/odbc/configure.in index ea5c51965f..0cfcb9964b 100644 --- a/lib/odbc/configure.in +++ b/lib/odbc/configure.in @@ -136,7 +136,7 @@ AC_SUBST(THR_LIBS) odbc_lib_link_success=no AC_SUBST(TARGET_FLAGS) case $host_os in - darwin1[[0-2]].*|darwin[[0-9]].*) + darwin1[[0-4]].*|darwin[[0-9]].*) TARGET_FLAGS="-DUNIX" if test ! -d "$with_odbc" || test "$with_odbc" = "yes"; then ODBC_LIB= -L"/usr/lib" diff --git a/lib/ssh/doc/src/notes.xml b/lib/ssh/doc/src/notes.xml index 3da3ca3ec8..f3db05192e 100644 --- a/lib/ssh/doc/src/notes.xml +++ b/lib/ssh/doc/src/notes.xml @@ -29,6 +29,21 @@ <file>notes.xml</file> </header> +<section><title>Ssh 3.0.8</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fixes of login blocking after port scanning.</p> + <p> + Own Id: OTP-12247 Aux Id: seq12726 </p> + </item> + </list> + </section> + +</section> + <section><title>Ssh 3.0.7</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/lib/ssh/doc/src/ssh_connection.xml b/lib/ssh/doc/src/ssh_connection.xml index 72e7252536..ff72cf7ee0 100644 --- a/lib/ssh/doc/src/ssh_connection.xml +++ b/lib/ssh/doc/src/ssh_connection.xml @@ -5,7 +5,7 @@ <header> <copyright> <year>2008</year> - <year>2013</year> + <year>2014</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> @@ -137,7 +137,7 @@ <tag><c><![CDATA[{pty, ssh_channel_id(), boolean() = WantReply, {string() = Terminal, integer() = CharWidth, - integer() = RowHeight, integer() = PixelWidth, integer() = PixelHight, + integer() = RowHeight, integer() = PixelWidth, integer() = PixelHeight, [{atom() | integer() = Opcode, integer() = Value}] = TerminalModes}}]]></c></tag> <item>A pseudo-terminal has been requested for the @@ -148,11 +148,11 @@ drawable area of the window. The <c>Opcode</c> in the <c>TerminalModes</c> list is the mnemonic name, represented as an lowercase erlang atom, defined in - <url href="http://www.ietf.org/rfc/rfc4254.txt">RFC 4254 </url> section 8, - or the opcode if the mnemonic name is not listed in the + <url href="http://www.ietf.org/rfc/rfc4254.txt">RFC 4254 </url> section 8. + It may also be an opcode if the mnemonic name is not listed in the RFC. Example <c>OP code: 53, mnemonic name ECHO erlang atom: - echo</c>. There is currently no API function to generate this - event.</item> + echo</c>.This event is sent as result of calling <seealso + marker="ssh_connection#ptty_alloc/4">ssh_connection:ptty_alloc/4</seealso></item> <tag><c><![CDATA[{shell, boolean() = WantReply}]]></c></tag> <item> This message will request that the user's default shell @@ -273,7 +273,52 @@ </desc> </func> - <func> + <func> + <name>ptty_alloc(ConnectionRef, ChannelId, Options, Timeout) -> success | failure</name> + <fsummary>Send status replies to requests that want such replies. </fsummary> + <type> + <v> ConnectionRef = ssh_connection_ref() </v> + <v> ChannelId = ssh_channel_id()</v> + <v> Options = proplists:proplist()</v> + </type> + <desc> + <p> Sends a SSH Connection Protocol pty_req, to allocate a pseudo tty. + Should be called by a SSH client process. + Options are: + </p> + + <taglist> + <tag>{term, string()}</tag> + <item> + Defaults to os:getenv("TERM") or "vt100" if it is undefined. + </item> + <tag>{width, integer()}</tag> + <item> + Defaults to 80 if pixel_width is not defined. + </item> + <tag>{height, integer()}</tag> + <item> + Defaults to 24 if pixel_height is not defined. + </item> + <tag>{pixel_width, integer()}</tag> + <item> + Is disregarded if width is defined. + </item> + <tag>{pixel_height, integer()}</tag> + <item> + Is disregarded if height is defined. + </item> + <tag>{pty_opts, [{posix_atom(), integer()}]}</tag> + <item> + Option may be an empty list, otherwise + see possible POSIX names in section 8 in <url href="http://www.ietf.org/rfc/rfc4254.txt"> RFC 4254</url>. + </item> + </taglist> + + </desc> + </func> + + <func> <name>reply_request(ConnectionRef, WantReply, Status, ChannelId) -> ok</name> <fsummary>Send status replies to requests that want such replies. </fsummary> <type> diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile index 53c755d3cb..90d71107ad 100644 --- a/lib/ssh/src/Makefile +++ b/lib/ssh/src/Makefile @@ -65,6 +65,7 @@ MODULES= \ ssh_cli \ ssh_file \ ssh_io \ + ssh_info \ ssh_math \ ssh_message \ ssh_no_io \ diff --git a/lib/ssh/src/ssh.app.src b/lib/ssh/src/ssh.app.src index e0a51b3574..4ad55b34ca 100644 --- a/lib/ssh/src/ssh.app.src +++ b/lib/ssh/src/ssh.app.src @@ -23,6 +23,7 @@ sshd_sup, ssh_file, ssh_io, + ssh_info, ssh_math, ssh_no_io, ssh_server_key_api, diff --git a/lib/ssh/src/ssh.appup.src b/lib/ssh/src/ssh.appup.src index 42603cc23c..600c01454c 100644 --- a/lib/ssh/src/ssh.appup.src +++ b/lib/ssh/src/ssh.appup.src @@ -19,7 +19,22 @@ {"%VSN%", [ + {"3.0.7", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_acceptor, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_channel, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, + {load_module, ssh_info, soft_purge, soft_purge, []}, + {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_xfer, soft_purge, soft_purge, [ssh_connection_handler]}]}, {"3.0.6", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_acceptor, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_channel, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, + {load_module, ssh_info, soft_purge, soft_purge, []}, {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]}, {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]}, {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]}, @@ -27,7 +42,22 @@ {<<".*">>, [{restart_application, ssh}]} ], [ + {"3.0.7", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_acceptor, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_channel, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, + {load_module, ssh_info, soft_purge, soft_purge, []}, + {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_xfer, soft_purge, soft_purge, [ssh_connection_handler]}]}, {"3.0.6", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_acceptor, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_channel, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, + {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, + {load_module, ssh_info, soft_purge, soft_purge, []}, {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]}, {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]}, {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]}, diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index de047d3c83..eae33e3683 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -194,6 +194,7 @@ shell(Host, Port, Options) -> {ok, ConnectionRef} -> case ssh_connection:session_channel(ConnectionRef, infinity) of {ok,ChannelId} -> + success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId, []), Args = [{channel_cb, ssh_shell}, {init_args,[ConnectionRef, ChannelId]}, {cm, ConnectionRef}, {channel_id, ChannelId}], diff --git a/lib/ssh/src/ssh_acceptor.erl b/lib/ssh/src/ssh_acceptor.erl index 7302196674..6c443eeb9c 100644 --- a/lib/ssh/src/ssh_acceptor.erl +++ b/lib/ssh/src/ssh_acceptor.erl @@ -22,7 +22,8 @@ -module(ssh_acceptor). %% Internal application API --export([start_link/5]). +-export([start_link/5, + number_of_connections/1]). %% spawn export -export([acceptor_init/6, acceptor_loop/6]). @@ -140,5 +141,6 @@ handle_error(Reason) -> number_of_connections(SystemSup) -> length([X || {R,X,supervisor,[ssh_subsystem_sup]} <- supervisor:which_children(SystemSup), + is_pid(X), is_reference(R) ]). diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl index b4d406ba8d..45c4d52d7e 100644 --- a/lib/ssh/src/ssh_auth.erl +++ b/lib/ssh/src/ssh_auth.erl @@ -184,9 +184,8 @@ handle_userauth_request(#ssh_msg_service_request{name = handle_userauth_request(#ssh_msg_userauth_request{user = User, service = "ssh-connection", method = "password", - data = Data}, _, + data = <<?FALSE, ?UINT32(Sz), BinPwd:Sz/binary>>}, _, #ssh{opts = Opts} = Ssh) -> - <<_:8, ?UINT32(Sz), BinPwd:Sz/binary>> = Data, Password = unicode:characters_to_list(BinPwd), case check_password(User, Password, Opts) of true -> @@ -201,6 +200,27 @@ handle_userauth_request(#ssh_msg_userauth_request{user = User, handle_userauth_request(#ssh_msg_userauth_request{user = User, service = "ssh-connection", + method = "password", + data = <<?TRUE, + _/binary + %% ?UINT32(Sz1), OldBinPwd:Sz1/binary, + %% ?UINT32(Sz2), NewBinPwd:Sz2/binary + >> + }, _, + Ssh) -> + %% Password change without us having sent SSH_MSG_USERAUTH_PASSWD_CHANGEREQ (because we never do) + %% RFC 4252 says: + %% SSH_MSG_USERAUTH_FAILURE without partial success - The password + %% has not been changed. Either password changing was not supported, + %% or the old password was bad. + + {not_authorized, {User, {error,"Password change not supported"}}, + ssh_transport:ssh_packet(#ssh_msg_userauth_failure{ + authentications = "", + partial_success = false}, Ssh)}; + +handle_userauth_request(#ssh_msg_userauth_request{user = User, + service = "ssh-connection", method = "none"}, _, #ssh{userauth_supported_methods = Methods} = Ssh) -> {not_authorized, {User, undefined}, diff --git a/lib/ssh/src/ssh_channel.erl b/lib/ssh/src/ssh_channel.erl index 508ae637cf..5c24f362b1 100644 --- a/lib/ssh/src/ssh_channel.erl +++ b/lib/ssh/src/ssh_channel.erl @@ -67,7 +67,8 @@ %% Internal application API -export([cache_create/0, cache_lookup/2, cache_update/2, cache_delete/1, cache_delete/2, cache_foldl/3, - cache_find/2]). + cache_find/2, + get_print_info/1]). -record(state, { cm, @@ -190,6 +191,14 @@ init([Options]) -> %% {stop, Reason, State} %% Description: Handling call messages %%-------------------------------------------------------------------- +handle_call(get_print_info, _From, State) -> + Reply = + {{State#state.cm, + State#state.channel_id}, + io_lib:format('CB=~p',[State#state.channel_cb]) + }, + {reply, Reply, State}; + handle_call(Request, From, #state{channel_cb = Module, channel_state = ChannelState} = State) -> try Module:handle_call(Request, From, ChannelState) of @@ -333,6 +342,9 @@ cache_find(ChannelPid, Cache) -> Channel end. +get_print_info(Pid) -> + call(Pid, get_print_info, 1000). + %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- diff --git a/lib/ssh/src/ssh_connect.hrl b/lib/ssh/src/ssh_connect.hrl index 9307dbbad0..d14f7ce27d 100644 --- a/lib/ssh/src/ssh_connect.hrl +++ b/lib/ssh/src/ssh_connect.hrl @@ -165,6 +165,10 @@ recipient_channel }). +-define(TERMINAL_WIDTH, 80). +-define(TERMINAL_HEIGHT, 24). +-define(DEFAULT_TERMINAL, "vt100"). + -define(TTY_OP_END,0). %% Indicates end of options. -define(VINTR,1). %% Interrupt character; 255 if none. Similarly for the %% other characters. Not all of these characters are diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl index 87f37b93ef..593443e11c 100644 --- a/lib/ssh/src/ssh_connection.erl +++ b/lib/ssh/src/ssh_connection.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% Copyright Ericsson AB 2008-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -32,11 +32,11 @@ %% API -export([session_channel/2, session_channel/4, exec/4, shell/2, subsystem/4, send/3, send/4, send/5, - send_eof/2, adjust_window/3, setenv/5, close/2, reply_request/4]). + send_eof/2, adjust_window/3, setenv/5, close/2, reply_request/4, + ptty_alloc/3, ptty_alloc/4]). %% Potential API currently unsupported and not tested --export([open_pty/3, open_pty/7, - open_pty/9, window_change/4, window_change/6, +-export([window_change/4, window_change/6, direct_tcpip/6, direct_tcpip/8, tcpip_forward/3, cancel_tcpip_forward/3, signal/3, exit_status/3]). @@ -189,6 +189,25 @@ reply_request(_,false, _, _) -> ok. %%-------------------------------------------------------------------- +-spec ptty_alloc(pid(), channel_id(), proplists:proplist()) -> success | failiure. +%% +%% +%% Description: Sends a ssh connection protocol pty_req. +%%-------------------------------------------------------------------- +ptty_alloc(ConnectionHandler, Channel, Options) -> + ptty_alloc(ConnectionHandler, Channel, Options, infinity). +ptty_alloc(ConnectionHandler, Channel, Options, TimeOut) -> + {Width, PixWidth} = pty_default_dimensions(width, Options), + {Hight, PixHight} = pty_default_dimensions(hight, Options), + pty_req(ConnectionHandler, Channel, + proplists:get_value(term, Options, default_term()), + proplists:get_value(width, Options, Width), + proplists:get_value(hight, Options, Hight), + proplists:get_value(pixel_widh, Options, PixWidth), + proplists:get_value(pixel_hight, Options, PixHight), + proplists:get_value(pty_opts, Options, []), TimeOut + ). +%%-------------------------------------------------------------------- %% Not yet officialy supported! The following functions are part of the %% initial contributed ssh application. They are untested. Do we want them? %% Should they be documented and tested? @@ -211,23 +230,6 @@ exit_status(ConnectionHandler, Channel, Status) -> ssh_connection_handler:request(ConnectionHandler, Channel, "exit-status", false, [?uint32(Status)], 0). -open_pty(ConnectionHandler, Channel, TimeOut) -> - open_pty(ConnectionHandler, Channel, - os:getenv("TERM"), 80, 24, [], TimeOut). - -open_pty(ConnectionHandler, Channel, Term, Width, Height, PtyOpts, TimeOut) -> - open_pty(ConnectionHandler, Channel, Term, Width, - Height, 0, 0, PtyOpts, TimeOut). - -open_pty(ConnectionHandler, Channel, Term, Width, Height, - PixWidth, PixHeight, PtyOpts, TimeOut) -> - ssh_connection_handler:request(ConnectionHandler, - Channel, "pty-req", true, - [?string(Term), - ?uint32(Width), ?uint32(Height), - ?uint32(PixWidth),?uint32(PixHeight), - encode_pty_opts(PtyOpts)], TimeOut). - direct_tcpip(ConnectionHandler, RemoteHost, RemotePort, OrigIP, OrigPort, Timeout) -> direct_tcpip(ConnectionHandler, RemoteHost, RemotePort, OrigIP, OrigPort, @@ -1080,6 +1082,27 @@ flow_control([_|_], #channel{flow_control = From, flow_control(_,_,_) -> []. +pty_req(ConnectionHandler, Channel, Term, Width, Height, + PixWidth, PixHeight, PtyOpts, TimeOut) -> + ssh_connection_handler:request(ConnectionHandler, + Channel, "pty-req", true, + [?string(Term), + ?uint32(Width), ?uint32(Height), + ?uint32(PixWidth),?uint32(PixHeight), + encode_pty_opts(PtyOpts)], TimeOut). + +pty_default_dimensions(Dimension, Options) -> + case proplists:get_value(Dimension, Options, 0) of + N when is_integer(N), N > 0 -> + {N, 0}; + _ -> + case proplists:get_value(list_to_atom("pixel_" ++ atom_to_list(Dimension)), Options, 0) of + N when is_integer(N), N > 0 -> + {0, N}; + _ -> + {?TERMINAL_WIDTH, 0} + end + end. encode_pty_opts(Opts) -> Bin = list_to_binary(encode_pty_opts2(Opts)), @@ -1277,3 +1300,10 @@ decode_ip(Addr) when is_binary(Addr) -> {ok,A} -> A end. +default_term() -> + case os:getenv("TERM") of + false -> + ?DEFAULT_TERMINAL; + Str when is_list(Str)-> + Str + end. diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 4fbc5d0ae2..8b7c4a5f80 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -41,11 +41,13 @@ global_request/4, send/5, send_eof/2, info/1, info/2, connection_info/2, channel_info/3, adjust_window/3, close/2, stop/1, renegotiate/1, renegotiate_data/1, - start_connection/4]). + start_connection/4, + get_print_info/1]). %% gen_fsm callbacks -export([hello/2, kexinit/2, key_exchange/2, new_keys/2, - userauth/2, connected/2]). + userauth/2, connected/2, + error/2]). -export([init/1, handle_event/3, handle_sync_event/4, handle_info/3, terminate/3, format_status/2, code_change/4]). @@ -171,9 +173,23 @@ init([Role, Socket, SshOpts]) -> State#state{ssh_params = Ssh}) catch _:Error -> - gen_fsm:enter_loop(?MODULE, [], error, {Error, State0}) + gen_fsm:enter_loop(?MODULE, [], error, {Error, State}) end. +%% Temporary fix for the Nessus error. SYN-> <-SYNACK ACK-> RST-> ? +error(_Event, {Error,State=#state{}}) -> + case Error of + {badmatch,{error,enotconn}} -> + %% {error,enotconn} probably from inet:peername in + %% init_ssh(server,..)/5 called from init/1 + {stop, {shutdown,"TCP connenction to server was prematurely closed by the client"}, State}; + _ -> + {stop, {shutdown,{init,Error}}, State} + end; +error(Event, State) -> + %% State deliberately not checked beeing #state. This is a panic-clause... + {stop, {shutdown,{init,{spurious_error,Event}}}, State}. + %%-------------------------------------------------------------------- -spec open_channel(pid(), string(), iodata(), integer(), integer(), timeout()) -> {open, channel_id()} | {error, term()}. @@ -240,6 +256,9 @@ send_eof(ConnectionHandler, ChannelId) -> %%-------------------------------------------------------------------- -spec connection_info(pid(), [atom()]) -> proplists:proplist(). %%-------------------------------------------------------------------- +get_print_info(ConnectionHandler) -> + sync_send_all_state_event(ConnectionHandler, get_print_info, 1000). + connection_info(ConnectionHandler, Options) -> sync_send_all_state_event(ConnectionHandler, {connection_info, Options}). @@ -550,7 +569,7 @@ connected({#ssh_msg_kexinit{}, _Payload} = Event, State) -> %%-------------------------------------------------------------------- handle_event(#ssh_msg_disconnect{description = Desc} = DisconnectMsg, _StateName, #state{} = State) -> - handle_disconnect(DisconnectMsg, State), + handle_disconnect(peer, DisconnectMsg, State), {stop, {shutdown, Desc}, State}; handle_event(#ssh_msg_ignore{}, StateName, State) -> @@ -605,7 +624,7 @@ handle_event(renegotiate, connected, #state{ssh_params = Ssh0} renegotiate = true})}; handle_event(renegotiate, StateName, State) -> - timer:apply_after(?REKEY_TIMOUT, gen_fsm, send_all_state_event, [self(), renegotiatie]), + timer:apply_after(?REKEY_TIMOUT, gen_fsm, send_all_state_event, [self(), renegotiate]), %% Allready in keyexcahange so ignore {next_state, StateName, State}; @@ -758,6 +777,20 @@ handle_sync_event({recv_window, ChannelId}, _From, StateName, end, {reply, Reply, StateName, next_packet(State)}; +handle_sync_event(get_print_info, _From, StateName, State) -> + Reply = + try + {inet:sockname(State#state.socket), + inet:peername(State#state.socket) + } + of + {{ok,Local}, {ok,Remote}} -> {{Local,Remote},io_lib:format("statename=~p",[StateName])}; + _ -> {{"-",0},"-"} + catch + _:_ -> {{"?",0},"?"} + end, + {reply, Reply, StateName, State}; + handle_sync_event({connection_info, Options}, _From, StateName, State) -> Info = ssh_info(Options, State, []), {reply, Info, StateName, State}; @@ -936,6 +969,10 @@ terminate(normal, _, #state{transport_cb = Transport, (catch Transport:close(Socket)), ok; +terminate({shutdown,{init,Reason}}, StateName, State) -> + error_logger:info_report(io_lib:format("Erlang ssh in connection handler init: ~p~n",[Reason])), + terminate(normal, StateName, State); + %% Terminated by supervisor terminate(shutdown, StateName, #state{ssh_params = Ssh0} = State) -> DisconnectMsg = @@ -951,8 +988,10 @@ terminate({shutdown, #ssh_msg_disconnect{} = Msg}, StateName, {SshPacket, Ssh} = ssh_transport:ssh_packet(Msg, Ssh0), send_msg(SshPacket, State), terminate(normal, StateName, State#state{ssh_params = Ssh}); + terminate({shutdown, _}, StateName, State) -> terminate(normal, StateName, State); + terminate(Reason, StateName, #state{ssh_params = Ssh0, starter = _Pid, connection_state = Connection} = State) -> terminate_subsytem(Connection), @@ -965,6 +1004,7 @@ terminate(Reason, StateName, #state{ssh_params = Ssh0, starter = _Pid, send_msg(SshPacket, State), terminate(normal, StateName, State#state{ssh_params = Ssh}). + terminate_subsytem(#connection{system_supervisor = SysSup, sub_system_supervisor = SubSysSup}) when is_pid(SubSysSup) -> ssh_system_sup:stop_subsystem(SysSup, SubSysSup); @@ -1161,7 +1201,10 @@ send_all_state_event(FsmPid, Event) -> gen_fsm:send_all_state_event(FsmPid, Event). sync_send_all_state_event(FsmPid, Event) -> - try gen_fsm:sync_send_all_state_event(FsmPid, Event, infinity) + sync_send_all_state_event(FsmPid, Event, infinity). + +sync_send_all_state_event(FsmPid, Event, Timeout) -> + try gen_fsm:sync_send_all_state_event(FsmPid, Event, Timeout) catch exit:{noproc, _} -> {error, closed}; @@ -1258,13 +1301,23 @@ generate_event(<<?BYTE(Byte), _/binary>> = Msg, StateName, generate_event(Msg, StateName, State0, EncData) -> Event = ssh_message:decode(Msg), State = generate_event_new_state(State0, EncData), - case Event of - #ssh_msg_kexinit{} -> - %% We need payload for verification later. - event({Event, Msg}, StateName, State); - _ -> - event(Event, StateName, State) - end. + try + case Event of + #ssh_msg_kexinit{} -> + %% We need payload for verification later. + event({Event, Msg}, StateName, State); + _ -> + event(Event, StateName, State) + end + catch + _:_ -> + DisconnectMsg = + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_PROTOCOL_ERROR, + description = "Encountered unexpected input", + language = "en"}, + handle_disconnect(DisconnectMsg, State) + end. + handle_request(ChannelPid, ChannelId, Type, Data, WantReply, From, @@ -1442,17 +1495,27 @@ handle_ssh_packet(Length, StateName, #state{decoded_data_buffer = DecData0, handle_disconnect(DisconnectMsg, State0) end. -handle_disconnect(#ssh_msg_disconnect{description = Desc} = Msg, #state{connection_state = Connection0, - role = Role} = State0) -> +handle_disconnect(DisconnectMsg, State) -> + handle_disconnect(own, DisconnectMsg, State). + +handle_disconnect(#ssh_msg_disconnect{} = DisconnectMsg, State, Error) -> + handle_disconnect(own, DisconnectMsg, State, Error); +handle_disconnect(Type, #ssh_msg_disconnect{description = Desc} = Msg, #state{connection_state = Connection0, role = Role} = State0) -> {disconnect, _, {{replies, Replies}, Connection}} = ssh_connection:handle_msg(Msg, Connection0, Role), - State = send_replies(Replies, State0), + State = send_replies(disconnect_replies(Type, Msg, Replies), State0), {stop, {shutdown, Desc}, State#state{connection_state = Connection}}. -handle_disconnect(#ssh_msg_disconnect{description = Desc} = Msg, #state{connection_state = Connection0, - role = Role} = State0, ErrorMsg) -> + +handle_disconnect(Type, #ssh_msg_disconnect{description = Desc} = Msg, #state{connection_state = Connection0, + role = Role} = State0, ErrorMsg) -> {disconnect, _, {{replies, Replies}, Connection}} = ssh_connection:handle_msg(Msg, Connection0, Role), - State = send_replies(Replies, State0), + State = send_replies(disconnect_replies(Type, Msg, Replies), State0), {stop, {shutdown, {Desc, ErrorMsg}}, State#state{connection_state = Connection}}. +disconnect_replies(own, Msg, Replies) -> + [{connection_reply, Msg} | Replies]; +disconnect_replies(peer, _, Replies) -> + Replies. + counterpart_versions(NumVsn, StrVsn, #ssh{role = server} = Ssh) -> Ssh#ssh{c_vsn = NumVsn , c_version = StrVsn}; counterpart_versions(NumVsn, StrVsn, #ssh{role = client} = Ssh) -> diff --git a/lib/ssh/src/ssh_info.erl b/lib/ssh/src/ssh_info.erl new file mode 100644 index 0000000000..9ed598b3ab --- /dev/null +++ b/lib/ssh/src/ssh_info.erl @@ -0,0 +1,193 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2008-2014. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% +%%---------------------------------------------------------------------- +%% Purpose: Print some info of a running ssh aplication. +%%---------------------------------------------------------------------- + +-module(ssh_info). + +-compile(export_all). + +print() -> + try supervisor:which_children(ssh_sup) + of + _ -> + io:nl(), + print_general(), + io:nl(), + underline("Client part", $=), + print_clients(), + io:nl(), + underline("Server part", $=), + print_servers(), + io:nl(), + %% case os:type() of + %% {unix,_} -> + %% io:nl(), + %% underline("Linux part", $=), + %% underline("Listening"), + %% catch io:format(os:cmd("netstat -tpln")), + %% io:nl(), + %% underline("Other"), + %% catch io:format(os:cmd("netstat -tpn")); + %% _ -> ok + %% end, + underline("Supervisors", $=), + walk_sups(ssh_sup), + io:nl() + catch + _:_ -> + io:format("Ssh not found~n",[]) + end. + +%%%================================================================ +print_general() -> + {_Name, Slogan, Ver} = lists:keyfind(ssh,1,application:which_applications()), + underline(io_lib:format("~s ~s", [Slogan, Ver]), $=), + io:format('This printout is generated ~s. ~n',[datetime()]). + +%%%================================================================ +print_clients() -> + try + lists:foreach(fun print_client/1, supervisor:which_children(sshc_sup)) + catch + C:E -> + io:format('***FAILED: ~p:~p~n',[C,E]) + end. + +print_client({undefined,Pid,supervisor,[ssh_connection_handler]}) -> + {{Local,Remote},_Str} = ssh_connection_handler:get_print_info(Pid), + io:format(" Local=~s Remote=~s~n",[fmt_host_port(Local),fmt_host_port(Remote)]); +print_client(Other) -> + io:format(" [[Other 1: ~p]]~n",[Other]). + + +%%%================================================================ +print_servers() -> + try + lists:foreach(fun print_server/1, supervisor:which_children(sshd_sup)) + catch + C:E -> + io:format('***FAILED: ~p:~p~n',[C,E]) + end. + +print_server({{server,ssh_system_sup,LocalHost,LocalPort},Pid,supervisor,[ssh_system_sup]}) when is_pid(Pid) -> + io:format('Local=~s (~p children)~n',[fmt_host_port({LocalHost,LocalPort}), + ssh_acceptor:number_of_connections(Pid)]), + lists:foreach(fun print_system_sup/1, supervisor:which_children(Pid)); +print_server(Other) -> + io:format(" [[Other 2: ~p]]~n",[Other]). + +print_system_sup({Ref,Pid,supervisor,[ssh_subsystem_sup]}) when is_reference(Ref), + is_pid(Pid) -> + lists:foreach(fun print_channels/1, supervisor:which_children(Pid)); +print_system_sup({{ssh_acceptor_sup,LocalHost,LocalPort}, Pid,supervisor, [ssh_acceptor_sup]}) when is_pid(Pid) -> + io:format(" [Acceptor for ~s]~n",[fmt_host_port({LocalHost,LocalPort})]); +print_system_sup(Other) -> + io:format(" [[Other 3: ~p]]~n",[Other]). + +print_channels({{server,ssh_channel_sup,_,_},Pid,supervisor,[ssh_channel_sup]}) when is_pid(Pid) -> + lists:foreach(fun print_channel/1, supervisor:which_children(Pid)); +print_channels(Other) -> + io:format(" [[Other 4: ~p]]~n",[Other]). + + +print_channel({Ref,Pid,worker,[ssh_channel]}) when is_reference(Ref), + is_pid(Pid) -> + {{ConnManager,ChannelID}, Str} = ssh_channel:get_print_info(Pid), + {{Local,Remote},StrM} = ssh_connection_handler:get_print_info(ConnManager), + io:format(' ch ~p: ~s ~s',[ChannelID, StrM, Str]), + io:format(" Local=~s Remote=~s~n",[fmt_host_port(Local),fmt_host_port(Remote)]); +print_channel(Other) -> + io:format(" [[Other 5: ~p]]~n",[Other]). + +%%%================================================================ +-define(inc(N), (N+4)). + +walk_sups(StartPid) -> + io:format("Start at ~p, ~s.~n",[StartPid,dead_or_alive(StartPid)]), + walk_sups(children(StartPid), _Indent=?inc(0)). + +walk_sups([H={_,Pid,SupOrWorker,_}|T], Indent) -> + indent(Indent), io:format('~200p ~p is ~s~n',[H,Pid,dead_or_alive(Pid)]), + case SupOrWorker of + supervisor -> walk_sups(children(Pid), ?inc(Indent)); + _ -> ok + end, + walk_sups(T, Indent); +walk_sups([], _) -> + ok. + +dead_or_alive(Name) when is_atom(Name) -> + case whereis(Name) of + undefined -> + "**UNDEFINED**"; + Pid -> + dead_or_alive(Pid) + end; +dead_or_alive(Pid) when is_pid(Pid) -> + case process_info(Pid) of + undefined -> "**DEAD**"; + _ -> "alive" + end. + +indent(I) -> io:format('~*c',[I,$ ]). + +children(Pid) -> + Parent = self(), + Helper = spawn(fun() -> + Parent ! {self(),supervisor:which_children(Pid)} + end), + receive + {Helper,L} when is_list(L) -> + L + after + 2000 -> + catch exit(Helper, kill), + [] + end. + +%%%================================================================ +underline(Str) -> + underline(Str, $-). + +underline(Str, LineChar) -> + Len = lists:flatlength(Str), + io:format('~s~n',[Str]), + line(Len,LineChar). + +line(Len, Char) -> + io:format('~*c~n', [Len,Char]). + + +datetime() -> + {{YYYY,MM,DD}, {H,M,S}} = calendar:now_to_universal_time(now()), + lists:flatten(io_lib:format('~4w-~2..0w-~2..0w ~2..0w:~2..0w:~2..0w UTC',[YYYY,MM,DD, H,M,S])). + + +fmt_host_port({{A,B,C,D},Port}) -> io_lib:format('~p.~p.~p.~p:~p',[A,B,C,D,Port]); +fmt_host_port({Host,Port}) -> io_lib:format('~s:~p',[Host,Port]). + + + +nyi() -> + io:format('Not yet implemented~n',[]), + nyi. diff --git a/lib/ssh/src/ssh_message.erl b/lib/ssh/src/ssh_message.erl index 891ccec24c..66e7717095 100644 --- a/lib/ssh/src/ssh_message.erl +++ b/lib/ssh/src/ssh_message.erl @@ -505,6 +505,11 @@ erl_boolean(1) -> decode_kex_init(<<?BYTE(Bool), ?UINT32(X)>>, Acc, 0) -> list_to_tuple(lists:reverse([X, erl_boolean(Bool) | Acc])); +decode_kex_init(<<?BYTE(Bool)>>, Acc, 0) -> + %% The mandatory trailing UINT32 is missing. Assume the value it anyhow must have + %% See rfc 4253 7.1 + X = 0, + list_to_tuple(lists:reverse([X, erl_boolean(Bool) | Acc])); decode_kex_init(<<?UINT32(Len), Data:Len/binary, Rest/binary>>, Acc, N) -> Names = string:tokens(unicode:characters_to_list(Data), ","), decode_kex_init(Rest, [Names | Acc], N -1). diff --git a/lib/ssh/test/property_test/ssh_eqc_client_server.erl b/lib/ssh/test/property_test/ssh_eqc_client_server.erl index cf895ae85e..123b48412b 100644 --- a/lib/ssh/test/property_test/ssh_eqc_client_server.erl +++ b/lib/ssh/test/property_test/ssh_eqc_client_server.erl @@ -32,6 +32,10 @@ -else. +%% Limit the testing time on CI server... this needs to be improved in % from total budget. +-define(TESTINGTIME(Prop), eqc:testing_time(30,Prop)). + + -include_lib("eqc/include/eqc.hrl"). -include_lib("eqc/include/eqc_statem.hrl"). -eqc_group_commands(true). @@ -75,7 +79,9 @@ -define(SUBSYSTEMS, ["echo1", "echo2", "echo3", "echo4"]). --define(SERVER_ADDRESS, { {127,1,1,1}, inet_port({127,1,1,1}) }). +-define(SERVER_ADDRESS, { {127,1,0,choose(1,254)}, % IP + choose(1024,65535) % Port + }). -define(SERVER_EXTRA_OPTIONS, [{parallel_login,bool()}] ). @@ -97,7 +103,7 @@ %% To be called as eqc:quickcheck( ssh_eqc_client_server:prop_seq() ). prop_seq() -> - do_prop_seq(?SSH_DIR). + ?TESTINGTIME(do_prop_seq(?SSH_DIR)). %% To be called from a common_test test suite prop_seq(CT_Config) -> @@ -105,9 +111,10 @@ prop_seq(CT_Config) -> do_prop_seq(DataDir) -> - ?FORALL(Cmds,commands(?MODULE, #state{data_dir=DataDir}), + setup_rsa(DataDir), + ?FORALL(Cmds,commands(?MODULE), begin - {H,Sf,Result} = run_commands(?MODULE,Cmds), + {H,Sf,Result} = run_commands(?MODULE,Cmds,[{data_dir,DataDir}]), present_result(?MODULE, Cmds, {H,Sf,Result}, Result==ok) end). @@ -116,33 +123,35 @@ full_path(SSHdir, CT_Config) -> SSHdir). %%%---- prop_parallel() -> - do_prop_parallel(?SSH_DIR). + ?TESTINGTIME(do_prop_parallel(?SSH_DIR)). %% To be called from a common_test test suite prop_parallel(CT_Config) -> do_prop_parallel(full_path(?SSH_DIR, CT_Config)). do_prop_parallel(DataDir) -> - ?FORALL(Cmds,parallel_commands(?MODULE, #state{data_dir=DataDir}), + setup_rsa(DataDir), + ?FORALL(Cmds,parallel_commands(?MODULE), begin - {H,Sf,Result} = run_parallel_commands(?MODULE,Cmds), + {H,Sf,Result} = run_parallel_commands(?MODULE,Cmds,[{data_dir,DataDir}]), present_result(?MODULE, Cmds, {H,Sf,Result}, Result==ok) end). %%%---- prop_parallel_multi() -> - do_prop_parallel_multi(?SSH_DIR). + ?TESTINGTIME(do_prop_parallel_multi(?SSH_DIR)). %% To be called from a common_test test suite prop_parallel_multi(CT_Config) -> do_prop_parallel_multi(full_path(?SSH_DIR, CT_Config)). do_prop_parallel_multi(DataDir) -> + setup_rsa(DataDir), ?FORALL(Repetitions,?SHRINK(1,[10]), - ?FORALL(Cmds,parallel_commands(?MODULE, #state{data_dir=DataDir}), + ?FORALL(Cmds,parallel_commands(?MODULE), ?ALWAYS(Repetitions, begin - {H,Sf,Result} = run_parallel_commands(?MODULE,Cmds), + {H,Sf,Result} = run_parallel_commands(?MODULE,Cmds,[{data_dir,DataDir}]), present_result(?MODULE, Cmds, {H,Sf,Result}, Result==ok) end))). @@ -151,14 +160,12 @@ do_prop_parallel_multi(DataDir) -> %%% called when using commands/1 initial_state() -> - S = initial_state(#state{}), - S#state{initialized=true}. + #state{}. %%% called when using commands/2 -initial_state(S) -> +initial_state(DataDir) -> application:stop(ssh), - ssh:start(), - setup_rsa(S#state.data_dir). + ssh:start(). %%%---------------- weight(S, ssh_send) -> 5*length([C || C<-S#state.channels, has_subsyst(C)]); @@ -172,7 +179,7 @@ weight(_S, _) -> 1. initial_state_pre(S) -> not S#state.initialized. -initial_state_args(S) -> [S]. +initial_state_args(_) -> [{var,data_dir}]. initial_state_next(S, _, _) -> S#state{initialized=true}. @@ -180,10 +187,17 @@ initial_state_next(S, _, _) -> S#state{initialized=true}. %%% Start a new daemon %%% Precondition: not more than ?MAX_NUM_SERVERS started +%%% This is a bit funny because we need to pick an IP address and Port to +%%% run the server on, but there is no way to atomically select a free Port! +%%% +%%% Therefore we just grab one IP-Port pair randomly and try to start the ssh server +%%% on that pair. If it fails, we just forget about it and goes on. Yes, it +%%% is a waste of cpu cycles, but at least it works! + ssh_server_pre(S) -> S#state.initialized andalso length(S#state.servers) < ?MAX_NUM_SERVERS. -ssh_server_args(S) -> [?SERVER_ADDRESS, S#state.data_dir, ?SERVER_EXTRA_OPTIONS]. +ssh_server_args(_) -> [?SERVER_ADDRESS, {var,data_dir}, ?SERVER_EXTRA_OPTIONS]. ssh_server({IP,Port}, DataDir, ExtraOptions) -> ok(ssh:daemon(IP, Port, @@ -194,8 +208,10 @@ ssh_server({IP,Port}, DataDir, ExtraOptions) -> | ExtraOptions ])). +ssh_server_post(_S, _Args, {error,eaddrinuse}) -> true; ssh_server_post(_S, _Args, Result) -> is_ok(Result). +ssh_server_next(S, {error,eaddrinuse}, _) -> S; ssh_server_next(S, Result, [{IP,Port},_,_]) -> S#state{servers=[#srvr{ref = Result, address = IP, @@ -241,15 +257,16 @@ do(Pid, Fun, Timeout) when is_function(Fun,0) -> ssh_open_connection_pre(S) -> S#state.servers /= []. -ssh_open_connection_args(S) -> [oneof(S#state.servers), S#state.data_dir]. +ssh_open_connection_args(S) -> [oneof(S#state.servers), {var,data_dir}]. ssh_open_connection(#srvr{address=Ip, port=Port}, DataDir) -> ok(ssh:connect(ensure_string(Ip), Port, [ {silently_accept_hosts, true}, {user_dir, user_dir(DataDir)}, - {user_interaction, false} - ])). + {user_interaction, false}, + {connect_timeout, 2000} + ], 2000)). ssh_open_connection_post(_S, _Args, Result) -> is_ok(Result). @@ -569,12 +586,6 @@ median(_) -> %%%================================================================ %%% The rest is taken and modified from ssh_test_lib.erl -inet_port(IpAddress)-> - {ok, Socket} = gen_tcp:listen(0, [{ip,IpAddress},{reuseaddr,true}]), - {ok, Port} = inet:port(Socket), - gen_tcp:close(Socket), - Port. - setup_rsa(Dir) -> erase_dir(system_dir(Dir)), erase_dir(user_dir(Dir)), diff --git a/lib/ssh/test/property_test/ssh_eqc_encode_decode.erl b/lib/ssh/test/property_test/ssh_eqc_encode_decode.erl index 34630bdc91..57ea2012c1 100644 --- a/lib/ssh/test/property_test/ssh_eqc_encode_decode.erl +++ b/lib/ssh/test/property_test/ssh_eqc_encode_decode.erl @@ -25,8 +25,6 @@ -proptest(eqc). -proptest([triq,proper]). --include_lib("ct_property_test.hrl"). - -ifndef(EQC). -ifndef(PROPER). -ifndef(TRIQ). diff --git a/lib/ssh/test/ssh_connection_SUITE.erl b/lib/ssh/test/ssh_connection_SUITE.erl index 3c537d719c..553d0f5720 100644 --- a/lib/ssh/test/ssh_connection_SUITE.erl +++ b/lib/ssh/test/ssh_connection_SUITE.erl @@ -36,7 +36,7 @@ all() -> [ - {group, openssh_payload}, + {group, openssh}, start_subsystem_on_closed_channel, interrupted_send, start_shell, @@ -49,11 +49,19 @@ all() -> stop_listener ]. groups() -> - [{openssh_payload, [], [simple_exec, - small_cat, - big_cat, - send_after_exit - ]}]. + [{openssh, [], payload() ++ ptty()}]. + +payload() -> + [simple_exec, + small_cat, + big_cat, + send_after_exit]. + +ptty() -> + [ptty_alloc_default, + ptty_alloc, + ptty_alloc_pixel]. + %%-------------------------------------------------------------------- init_per_suite(Config) -> case catch crypto:start() of @@ -67,7 +75,7 @@ end_per_suite(_Config) -> crypto:stop(). %%-------------------------------------------------------------------- -init_per_group(openssh_payload, _Config) -> +init_per_group(openssh, _Config) -> case gen_tcp:connect("localhost", 22, []) of {error,econnrefused} -> {skip,"No openssh deamon"}; @@ -242,6 +250,42 @@ send_after_exit(Config) when is_list(Config) -> end. %%-------------------------------------------------------------------- +ptty_alloc_default() -> + [{doc, "Test sending PTTY alloc message with only defaults."}]. + +ptty_alloc_default(Config) when is_list(Config) -> + ConnectionRef = ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true}, + {user_interaction, false}]), + {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity), + success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId, []), + ssh:close(ConnectionRef). + +%%-------------------------------------------------------------------- +ptty_alloc() -> + [{doc, "Test sending PTTY alloc message with width,height options."}]. + +ptty_alloc(Config) when is_list(Config) -> + ConnectionRef = ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true}, + {user_interaction, false}]), + {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity), + success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId, + [{term, default_term()}, {width, 70}, {high, 20}]), + ssh:close(ConnectionRef). + + +%%-------------------------------------------------------------------- +ptty_alloc_pixel() -> + [{doc, "Test sending PTTY alloc message pixel options."}]. + +ptty_alloc_pixel(Config) when is_list(Config) -> + ConnectionRef = ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true}, + {user_interaction, false}]), + {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity), + success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId, + [{term, default_term()}, {pixel_widh, 630}, {pixel_hight, 470}]), + ssh:close(ConnectionRef). + +%%-------------------------------------------------------------------- start_subsystem_on_closed_channel(Config) -> PrivDir = ?config(priv_dir, Config), UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth @@ -603,3 +647,11 @@ ssh_exec(Cmd) -> spawn(fun() -> io:format(Cmd ++ "\n") end). + +default_term() -> + case os:getenv("TERM") of + false -> + "vt100"; + Str when is_list(Str)-> + Str + end. diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl index 41fbd324c4..af70eeb46c 100644 --- a/lib/ssh/test/ssh_to_openssh_SUITE.erl +++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl @@ -120,13 +120,8 @@ erlang_shell_client_openssh_server(Config) when is_list(Config) -> receive_hej(), IO ! {input, self(), "exit\n"}, receive_logout(), - receive - {'EXIT', Shell, normal} -> - ok; - Other1 -> - ct:fail({unexpected_msg, Other1}) - end. - + receive_normal_exit(Shell). + %-------------------------------------------------------------------- erlang_client_openssh_server_exec() -> [{doc, "Test api function ssh_connection:exec"}]. @@ -529,11 +524,22 @@ erlang_client_openssh_server_nonexistent_subsystem(Config) when is_list(Config) %%-------------------------------------------------------------------- receive_hej() -> receive - <<"Hej\n">> = Hej-> + <<"Hej", _binary>> = Hej -> + ct:pal("Expected result: ~p~n", [Hej]); + <<"Hej\n", _binary>> = Hej -> + ct:pal("Expected result: ~p~n", [Hej]); + <<"Hej\r\n", _/binary>> = Hej -> ct:pal("Expected result: ~p~n", [Hej]); Info -> - ct:pal("Extra info: ~p~n", [Info]), - receive_hej() + Lines = binary:split(Info, [<<"\r\n">>], [global]), + case lists:member(<<"Hej">>, Lines) of + true -> + ct:pal("Expected result found in lines: ~p~n", [Lines]), + ok; + false -> + ct:pal("Extra info: ~p~n", [Info]), + receive_hej() + end end. receive_logout() -> @@ -543,13 +549,20 @@ receive_logout() -> <<"Connection closed">> -> ok end; - <<"TERM environment variable not set.\n">> -> %% Windows work around - receive_logout(); - Other0 -> - ct:fail({unexpected_msg, Other0}) - end. - + Info -> + ct:pal("Extra info when logging out: ~p~n", [Info]), + receive_logout() + end. +receive_normal_exit(Shell) -> + receive + {'EXIT', Shell, normal} -> + ok; + <<"\r\n">> -> + receive_normal_exit(Shell); + Other -> + ct:fail({unexpected_msg, Other}) + end. %%-------------------------------------------------------------------- %%-------------------------------------------------------------------- diff --git a/lib/ssh/vsn.mk b/lib/ssh/vsn.mk index 866b192101..68544c1d0e 100644 --- a/lib/ssh/vsn.mk +++ b/lib/ssh/vsn.mk @@ -1,5 +1,5 @@ #-*-makefile-*- ; force emacs to enter makefile-mode -SSH_VSN = 3.0.7 +SSH_VSN = 3.0.8 APP_VSN = "ssh-$(SSH_VSN)" diff --git a/lib/stdlib/doc/src/maps.xml b/lib/stdlib/doc/src/maps.xml index 64229fa8d3..f766c843be 100644 --- a/lib/stdlib/doc/src/maps.xml +++ b/lib/stdlib/doc/src/maps.xml @@ -330,7 +330,7 @@ false</code> <code type="none"> > Map = #{42 => value_three,1337 => "value two","a" => 1}, Ks = ["a",42,"other key"], - maps:without(Ks,Map). + maps:with(Ks,Map). #{42 => value_three,"a" => 1}</code> </desc> </func> diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl index 76e03bbfaa..a4bd45ea19 100644 --- a/lib/stdlib/src/dets.erl +++ b/lib/stdlib/src/dets.erl @@ -2839,17 +2839,22 @@ fsck_try(Fd, Tab, FH, Fname, SlotNumbers, Version) -> tempfile(Fname) -> Tmp = lists:concat([Fname, ".TMP"]), - tempfile(Tmp, 10). - -tempfile(Tmp, 0) -> - Tmp; -tempfile(Tmp, N) -> case file:delete(Tmp) of - {error, eacces} -> % 'dets_process_died' happened anyway... (W-nd-ws) - timer:sleep(1000), - tempfile(Tmp, N-1); - _ -> - Tmp + {error, _Reason} -> % typically enoent + ok; + ok -> + assure_no_file(Tmp) + end, + Tmp. + +assure_no_file(File) -> + case file:read_file_info(File) of + {ok, _FileInfo} -> + %% Wait for some other process to close the file: + timer:sleep(100), + assure_no_file(File); + {error, _} -> + ok end. %% -> {ok, NewHead} | {try_again, integer()} | Error diff --git a/lib/stdlib/src/dets_server.erl b/lib/stdlib/src/dets_server.erl index 268c201047..3164d40f35 100644 --- a/lib/stdlib/src/dets_server.erl +++ b/lib/stdlib/src/dets_server.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2013. All Rights Reserved. +%% Copyright Ericsson AB 2001-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -171,9 +171,15 @@ handle_info({pending_reply, {Ref, Result0}}, State) -> link(Pid), do_link(Store, FromPid), true = ets:insert(Store, {FromPid, Tab}), - true = ets:insert(?REGISTRY, {Tab, 1, Pid}), - true = ets:insert(?OWNERS, {Pid, Tab}), + %% do_internal_open() has already done the following: + %% true = ets:insert(?REGISTRY, {Tab, 1, Pid}), + %% true = ets:insert(?OWNERS, {Pid, Tab}), {ok, Tab}; + {Reply, internal_open} -> + %% Clean up what do_internal_open() did: + true = ets:delete(?REGISTRY, Tab), + true = ets:delete(?OWNERS, Pid), + Reply; {Reply, _} -> % ok or Error Reply end, @@ -309,6 +315,12 @@ do_internal_open(State, From, Args) -> [T, _, _] -> T; [_, _] -> Ref end, + %% Pretend the table is open. If someone else tries to + %% open the file it will always become a pending + %% 'add_user' request. If someone tries to use the table + %% there will be a delay, but that is OK. + true = ets:insert(?REGISTRY, {Tab, 1, Pid}), + true = ets:insert(?OWNERS, {Pid, Tab}), pending_call(Tab, Pid, Ref, From, Args, internal_open, State); Error -> {Error, State} diff --git a/lib/stdlib/test/dets_SUITE.erl b/lib/stdlib/test/dets_SUITE.erl index 119b4dc7cb..3b08ac165e 100644 --- a/lib/stdlib/test/dets_SUITE.erl +++ b/lib/stdlib/test/dets_SUITE.erl @@ -223,8 +223,7 @@ open(Config, Version) -> ?format("Crashing dets server \n", []), process_flag(trap_exit, true), - Procs = [whereis(?DETS_SERVER) | map(fun(Tab) -> dets:info(Tab, pid) end, - Tabs)], + Procs = [whereis(?DETS_SERVER) | [dets:info(Tab, pid) || Tab <- Tabs]], foreach(fun(Pid) -> exit(Pid, kill) end, Procs), timer:sleep(100), c:flush(), %% flush all the EXIT sigs @@ -235,18 +234,32 @@ open(Config, Version) -> open_files(1, All, Version), ?format("Checking contents of repaired files \n", []), check(Tabs, Data), - - close_all(Tabs), + close_all(Tabs), delete_files(All), - P1 = pps(), + {Ports0, Procs0} = P0, - {Ports1, Procs1} = P1, - true = Ports1 =:= Ports0, - %% The dets_server process has been restarted: - [_] = Procs0 -- Procs1, - [_] = Procs1 -- Procs0, - ok. + Test = fun() -> + P1 = pps(), + {Ports1, Procs1} = P1, + show("Old port", Ports0 -- Ports1), + show("New port", Ports1 -- Ports0), + show("Old procs", Procs0 -- Procs1), + show("New procs", Procs1 -- Procs0), + io:format("Remaining Dets-pids (should be nil): ~p~n", + [find_dets_pids()]), + true = Ports1 =:= Ports0, + %% The dets_server process has been restarted: + [_] = Procs0 -- Procs1, + [_] = Procs1 -- Procs0, + ok + end, + case catch Test() of + ok -> ok; + _ -> + timer:sleep(500), + ok = Test() + end. check(Tabs, Data) -> foreach(fun(Tab) -> @@ -3275,12 +3288,22 @@ simultaneous_open(Config) -> File = filename(Tab, Config), ok = monit(Tab, File), - ok = kill_while_repairing(Tab, File), - ok = kill_while_init(Tab, File), - ok = open_ro(Tab, File), - ok = open_w(Tab, File, 0, Config), - ok = open_w(Tab, File, 100, Config), - ok. + case feasible() of + false -> {comment, "OK, but did not run all of the test"}; + true -> + ok = kill_while_repairing(Tab, File), + ok = kill_while_init(Tab, File), + ok = open_ro(Tab, File), + ok = open_w(Tab, File, 0, Config), + ok = open_w(Tab, File, 100, Config) + end. + +feasible() -> + LP = erlang:system_info(logical_processors), + (is_integer(LP) + andalso LP >= erlang:system_info(schedulers_online) + andalso not erlang:system_info(debug_compiled) + andalso not erlang:system_info(lock_checking)). %% One process logs and another process closes the log. Before %% monitors were used, this would make the client never return. @@ -3307,7 +3330,6 @@ kill_while_repairing(Tab, File) -> Delay = 1000, dets:start(), Parent = self(), - Ps = processes(), F = fun() -> R = (catch dets:open_file(Tab, [{file,File}])), timer:sleep(Delay), @@ -3318,7 +3340,7 @@ kill_while_repairing(Tab, File) -> P1 = spawn(F), P2 = spawn(F), P3 = spawn(F), - DetsPid = find_dets_pid([P1, P2, P3 | Ps]), + DetsPid = find_dets_pid(), exit(DetsPid, kill), receive {P1,R1} -> R1 end, @@ -3342,12 +3364,6 @@ kill_while_repairing(Tab, File) -> file:delete(File), ok. -find_dets_pid(P0) -> - case lists:sort(processes() -- P0) of - [P, _] -> P; - _ -> timer:sleep(100), find_dets_pid(P0) - end. - find_dets_pid() -> case find_dets_pids() of [] -> @@ -3421,6 +3437,13 @@ open_ro(Tab, File) -> open_w(Tab, File, Delay, Config) -> create_opened_log(File), + + Tab2 = t2, + File2 = filename(Tab2, Config), + file:delete(File2), + {ok,Tab2} = dets:open_file(Tab2, [{file,File2}]), + ok = dets:close(Tab2), + Parent = self(), F = fun() -> R = dets:open_file(Tab, [{file,File}]), @@ -3430,16 +3453,16 @@ open_w(Tab, File, Delay, Config) -> Pid1 = spawn(F), Pid2 = spawn(F), Pid3 = spawn(F), - undefined = dets:info(Tab), % is repairing now - 0 = qlen(), - Tab2 = t2, - File2 = filename(Tab2, Config), - file:delete(File2), + ok = wait_for_repair_to_start(Tab), + + %% It is assumed that it takes some time to repair the file. {ok,Tab2} = dets:open_file(Tab2, [{file,File2}]), + %% The Dets server managed to handle to open_file request. + 0 = qlen(), % still repairing + ok = dets:close(Tab2), file:delete(File2), - 0 = qlen(), % still repairing receive {Pid1,R1} -> {ok, Tab} = R1 end, receive {Pid2,R2} -> {ok, Tab} = R2 end, @@ -3456,6 +3479,15 @@ open_w(Tab, File, Delay, Config) -> file:delete(File), ok. +wait_for_repair_to_start(Tab) -> + case catch dets_server:get_pid(Tab) of + {'EXIT', _} -> + timer:sleep(1), + wait_for_repair_to_start(Tab); + Pid when is_pid(Pid) -> + ok + end. + qlen() -> {_, {_, N}} = lists:keysearch(message_queue_len, 1, process_info(self())), N. @@ -4350,6 +4382,7 @@ check_badarg({'EXIT', {badarg, [{M,F,A,_} | _]}}, M, F, Args) -> true = test_server:is_native(M) andalso length(Args) =:= A. check_pps({Ports0,Procs0} = P0) -> + ok = check_dets_tables(), case pps() of P0 -> ok; @@ -4375,13 +4408,45 @@ check_pps({Ports0,Procs0} = P0) -> end end. +%% Copied from dets_server.erl: +-define(REGISTRY, dets_registry). +-define(OWNERS, dets_owners). +-define(STORE, dets). + +check_dets_tables() -> + Store = [T || + T <- ets:all(), + ets:info(T, name) =:= ?STORE, + owner(T) =:= dets], + S = case Store of + [Tab] -> ets:tab2list(Tab); + [] -> [] + end, + case {ets:tab2list(?REGISTRY), ets:tab2list(?OWNERS), S} of + {[], [], []} -> ok; + {R, O, _} -> + io:format("Registry: ~p~n", [R]), + io:format("Owners: ~p~n", [O]), + io:format("Store: ~p~n", [S]), + not_ok + end. + +owner(Tab) -> + Owner = ets:info(Tab, owner), + case process_info(Owner, registered_name) of + {registered_name, Name} -> Name; + _ -> Owner + end. + show(_S, []) -> ok; -show(S, [Pid|Pids]) when is_pid(Pid) -> - io:format("~s: ~p~n", [S, erlang:process_info(Pid)]), +show(S, [{Pid, Name, InitCall}|Pids]) when is_pid(Pid) -> + io:format("~s: ~w (~w), ~w: ~p~n", + [S, Pid, proc_reg_name(Name), InitCall, + erlang:process_info(Pid)]), show(S, Pids); -show(S, [Port|Ports]) when is_port(Port)-> - io:format("~s: ~p~n", [S, erlang:port_info(Port)]), +show(S, [{Port, _}|Ports]) when is_port(Port)-> + io:format("~s: ~w: ~p~n", [S, Port, erlang:port_info(Port)]), show(S, Ports). pps() -> @@ -4397,5 +4462,8 @@ process_list() -> safe_second_element(process_info(P, initial_call))} || P <- processes()]. +proc_reg_name({registered_name, Name}) -> Name; +proc_reg_name([]) -> no_reg_name. + safe_second_element({_,Info}) -> Info; safe_second_element(Other) -> Other. diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl index 46a5ca48df..40372a2106 100644 --- a/lib/syntax_tools/src/erl_syntax.erl +++ b/lib/syntax_tools/src/erl_syntax.erl @@ -669,6 +669,9 @@ is_leaf(Node) -> operator -> true; % nonstandard type string -> true; text -> true; % nonstandard type + map_expr -> + map_expr_fields(Node) =:= [] andalso + map_expr_argument(Node) =:= none; tuple -> tuple_elements(Node) =:= []; underscore -> true; variable -> true; @@ -6093,6 +6096,9 @@ abstract([]) -> nil(); abstract(T) when is_tuple(T) -> tuple(abstract_list(tuple_to_list(T))); +abstract(T) when is_map(T) -> + map_expr([map_field_assoc(abstract(Key),abstract(Value)) + || {Key,Value} <- maps:to_list(T)]); abstract(T) when is_binary(T) -> binary([binary_field(integer(B)) || B <- binary_to_list(T)]); abstract(T) -> @@ -6154,6 +6160,14 @@ concrete(Node) -> | concrete(list_tail(Node))]; tuple -> list_to_tuple(concrete_list(tuple_elements(Node))); + map_expr -> + As = [tuple([map_field_assoc_name(F), + map_field_assoc_value(F)]) || F <- map_expr_fields(Node)], + M0 = maps:from_list(concrete_list(As)), + case map_expr_argument(Node) of + none -> M0; + Node0 -> maps:merge(concrete(Node0),M0) + end; binary -> Fs = [revert_binary_field( binary_field(binary_field_body(F), @@ -6209,10 +6223,31 @@ is_literal(T) -> is_literal(list_head(T)) andalso is_literal(list_tail(T)); tuple -> lists:all(fun is_literal/1, tuple_elements(T)); + map_expr -> + case map_expr_argument(T) of + none -> true; + Arg -> is_literal(Arg) + end andalso lists:all(fun is_literal_map_field/1, map_expr_fields(T)); + binary -> + lists:all(fun is_literal_binary_field/1, binary_fields(T)); _ -> false end. +is_literal_binary_field(F) -> + case binary_field_types(F) of + [] -> is_literal(binary_field_body(F)); + _ -> false + end. + +is_literal_map_field(F) -> + case type(F) of + map_field_assoc -> + is_literal(map_field_assoc_name(F)) andalso + is_literal(map_field_assoc_value(F)); + map_field_exact -> + false + end. %% ===================================================================== %% @doc Returns an `erl_parse'-compatible representation of a diff --git a/lib/syntax_tools/test/Makefile b/lib/syntax_tools/test/Makefile index d4733b9a42..f67e3f8984 100644 --- a/lib/syntax_tools/test/Makefile +++ b/lib/syntax_tools/test/Makefile @@ -61,5 +61,6 @@ release_tests_spec: make_emakefile $(INSTALL_DATA) $(EMAKEFILE) $(ERL_FILES) "$(RELSYSDIR)" $(INSTALL_DATA) syntax_tools.spec syntax_tools.cover "$(RELSYSDIR)" chmod -R u+w "$(RELSYSDIR)" + @tar cf - *_SUITE_data | (cd "$(RELSYSDIR)"; tar xf -) release_docs_spec: diff --git a/lib/syntax_tools/test/syntax_tools_SUITE.erl b/lib/syntax_tools/test/syntax_tools_SUITE.erl index 6fb3e5ccfb..3c6b33f459 100644 --- a/lib/syntax_tools/test/syntax_tools_SUITE.erl +++ b/lib/syntax_tools/test/syntax_tools_SUITE.erl @@ -24,12 +24,16 @@ init_per_group/2,end_per_group/2]). %% Test cases --export([app_test/1,appup_test/1,smoke_test/1,revert/1,revert_map/1]). +-export([app_test/1,appup_test/1,smoke_test/1,revert/1,revert_map/1, + t_abstract_type/1,t_erl_parse_type/1,t_epp_dodger/1, + t_comment_scan/1,t_igor/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [app_test,appup_test,smoke_test,revert,revert_map]. + [app_test,appup_test,smoke_test,revert,revert_map, + t_abstract_type,t_erl_parse_type,t_epp_dodger, + t_comment_scan,t_igor]. groups() -> []. @@ -54,15 +58,15 @@ appup_test(Config) when is_list(Config) -> %% Read and parse all source in the OTP release. smoke_test(Config) when is_list(Config) -> - ?line Dog = ?t:timetrap(?t:minutes(12)), - ?line Wc = filename:join([code:lib_dir(),"*","src","*.erl"]), - ?line Fs = filelib:wildcard(Wc), - ?line io:format("~p files\n", [length(Fs)]), - ?line case p_run(fun smoke_test_file/1, Fs) of - 0 -> ok; - N -> ?line ?t:fail({N,errors}) - end, - ?line ?t:timetrap_cancel(Dog). + Dog = ?t:timetrap(?t:minutes(12)), + Wc = filename:join([code:lib_dir(),"*","src","*.erl"]), + Fs = filelib:wildcard(Wc), + io:format("~p files\n", [length(Fs)]), + case p_run(fun smoke_test_file/1, Fs) of + 0 -> ok; + N -> ?t:fail({N,errors}) + end, + ?t:timetrap_cancel(Dog). smoke_test_file(File) -> case epp_dodger:parse_file(File) of @@ -94,9 +98,9 @@ revert(Config) when is_list(Config) -> io:format("~p files\n", [length(Fs)]), case p_run(fun (File) -> revert_file(File, Path) end, Fs) of 0 -> ok; - N -> ?line ?t:fail({N,errors}) + N -> ?t:fail({N,errors}) end, - ?line ?t:timetrap_cancel(Dog). + ?t:timetrap_cancel(Dog). revert_file(File, Path) -> case epp:parse_file(File, Path, []) of @@ -110,14 +114,298 @@ revert_file(File, Path) -> end. %% Testing bug fix for reverting map_field_assoc -revert_map(Config) -> +revert_map(Config) when is_list(Config) -> Dog = ?t:timetrap(?t:minutes(1)), - ?line [{map_field_assoc,16,{atom,17,name},{var,18,'Value'}}] = - erl_syntax:revert_forms([{tree,map_field_assoc, - {attr,16,[],none}, - {map_field_assoc, - {atom,17,name},{var,18,'Value'}}}]), - ?line ?t:timetrap_cancel(Dog). + [{map_field_assoc,16,{atom,17,name},{var,18,'Value'}}] = + erl_syntax:revert_forms([{tree,map_field_assoc, + {attr,16,[],none}, + {map_field_assoc,{atom,17,name},{var,18,'Value'}}}]), + ?t:timetrap_cancel(Dog). + + + +%% api tests + +t_abstract_type(Config) when is_list(Config) -> + F = fun validate_abstract_type/1, + ok = validate(F,[{hi,atom}, + {1,integer}, + {1.0,float}, + {$a,integer}, + {[],nil}, + {[<<1,2>>,a,b],list}, + {[2,3,<<1,2>>,a,b],list}, + {[$a,$b,$c],string}, + {"hello world",string}, + {<<1,2,3>>,binary}, + {#{a=>1,"b"=>2},map_expr}, + {#{#{i=>1}=>1,"b"=>#{v=>2}},map_expr}, + {{a,b,c},tuple}]), + ok. + +t_erl_parse_type(Config) when is_list(Config) -> + F = fun validate_erl_parse_type/1, + %% leaf types + ok = validate(F,[{"1",integer,true}, + {"123456789",integer,true}, + {"$h", char,true}, + {"3.1415", float,true}, + {"1.33e36", float,true}, + {"\"1.33e36: hello\"", string,true}, + {"Var1", variable,true}, + {"_", underscore,true}, + {"[]", nil,true}, + {"{}", tuple,true}, + {"#{}",map_expr,true}, + {"'some atom'", atom, true}]), + %% composite types + ok = validate(F,[{"case X of t -> t; f -> f end", case_expr,false}, + {"try X of t -> t catch C:R -> error end", try_expr,false}, + {"receive X -> X end", receive_expr,false}, + {"receive M -> X1 after T -> X2 end", receive_expr,false}, + {"catch (X)", catch_expr,false}, + {"fun(X) -> X end", fun_expr,false}, + {"fun Foo(X) -> X end", named_fun_expr,false}, + {"fun foo/2", implicit_fun,false}, + {"fun bar:foo/2", implicit_fun,false}, + {"if X -> t; true -> f end", if_expr,false}, + {"<<1,2,3,4>>", binary,false}, + {"<<1,2,3,4:5>>", binary,false}, + {"<<V1:63,V2:22/binary, V3/bits>>", binary,false}, + {"begin X end", block_expr,false}, + {"foo(X1,X2)", application,false}, + {"bar:foo(X1,X2)", application,false}, + {"[1,2,3,4]", list,false}, + {"[1|4]", list, false}, + {"[<<1>>,<<2>>,-2,<<>>,[more,list]]", list,false}, + {"[1|[2|[3|[4|[]]]]]", list,false}, + {"#{ a=>1, b=>2 }", map_expr,false}, + {"#{3=>3}#{ a=>1, b=>2 }", map_expr,false}, + {"#{ a:=1, b:=2 }", map_expr,false}, + {"M#{ a=>1, b=>2 }", map_expr,false}, + {"[V||V <- Vs]", list_comp,false}, + {"<< <<B>> || <<B>> <= Bs>>", binary_comp,false}, + {"#state{ a = A, b = B}", record_expr,false}, + {"#state{}", record_expr,false}, + {"#s{ a = #def{ a=A }, b = B}", record_expr,false}, + {"State#state{ a = A, b = B}", record_expr,false}, + {"State#state.a", record_access,false}, + {"#state.a", record_index_expr,false}, + {"-X", prefix_expr,false}, + {"X1 + X2", infix_expr,false}, + {"(X1 + X2) * X3", infix_expr,false}, + {"X1 = X2", match_expr,false}, + {"{a,b,c}", tuple,false}]), + ok. + +%% the macro ?MODULE seems faulty +t_epp_dodger(Config) when is_list(Config) -> + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + Filenames = ["syntax_tools_SUITE_test_module.erl", + "syntax_tools_test.erl"], + ok = test_epp_dodger(Filenames,DataDir,PrivDir), + ok. + +t_comment_scan(Config) when is_list(Config) -> + DataDir = ?config(data_dir, Config), + Filenames = ["syntax_tools_SUITE_test_module.erl", + "syntax_tools_test.erl"], + ok = test_comment_scan(Filenames,DataDir), + ok. + +t_igor(Config) when is_list(Config) -> + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + FileM1 = filename:join(DataDir,"m1.erl"), + FileM2 = filename:join(DataDir,"m2.erl"), + ["m.erl",_]=R = igor:merge(m,[FileM1,FileM2],[{outdir,PrivDir}]), + io:format("igor:merge/3 = ~p~n", [R]), + ok. + +test_comment_scan([],_) -> ok; +test_comment_scan([File|Files],DataDir) -> + Filename = filename:join(DataDir,File), + {ok, Fs0} = epp:parse_file(Filename, [], []), + Comments = erl_comment_scan:file(Filename), + Fun = fun(Node) -> + case erl_syntax:is_form(Node) of + true -> + C1 = erl_syntax:comment(2,[" This is a form."]), + Node1 = erl_syntax:add_precomments([C1],Node), + Node1; + false -> + Node + end + end, + Fs1 = erl_recomment:recomment_forms(Fs0, Comments), + Fs2 = erl_syntax_lib:map(Fun, Fs1), + io:format("File: ~s~n", [Filename]), + io:put_chars(erl_prettypr:format(Fs2, [{paper, 120}, + {ribbon, 110}])), + test_comment_scan(Files,DataDir). + + +test_epp_dodger([], _, _) -> ok; +test_epp_dodger([Filename|Files],DataDir,PrivDir) -> + io:format("Parsing ~p~n", [Filename]), + InFile = filename:join(DataDir, Filename), + Parsers = [{fun epp_dodger:parse_file/1,parse_file}, + {fun epp_dodger:quick_parse_file/1,quick_parse_file}, + {fun (File) -> + {ok,Dev} = file:open(File,[read]), + Res = epp_dodger:parse(Dev), + file:close(File), + Res + end, parse}, + {fun (File) -> + {ok,Dev} = file:open(File,[read]), + Res = epp_dodger:quick_parse(Dev), + file:close(File), + Res + end, quick_parse}], + FsForms = parse_with(Parsers, InFile), + ok = pretty_print_parse_forms(FsForms,PrivDir,Filename), + test_epp_dodger(Files,DataDir,PrivDir). + +parse_with([],_) -> []; +parse_with([{Fun,ParserType}|Funs],File) -> + {ok, Fs} = Fun(File), + [{Fs,ParserType}|parse_with(Funs,File)]. + +pretty_print_parse_forms([],_,_) -> ok; +pretty_print_parse_forms([{Fs0,Type}|FsForms],PrivDir,Filename) -> + Parser = atom_to_list(Type), + OutFile = filename:join(PrivDir, Parser ++"_" ++ Filename), + io:format("Pretty print ~p (~w) to ~p~n", [Filename,Type,OutFile]), + Comment = fun (Node,{CntCase,CntTry}=Cnt) -> + case erl_syntax:type(Node) of + case_expr -> + C1 = erl_syntax:comment(2,["Before a case expression"]), + Node1 = erl_syntax:add_precomments([C1],Node), + C2 = erl_syntax:comment(2,["After a case expression"]), + Node2 = erl_syntax:add_postcomments([C2],Node1), + {Node2,{CntCase+1,CntTry}}; + try_expr -> + C1 = erl_syntax:comment(2,["Before a try expression"]), + Node1 = erl_syntax:set_precomments(Node, + erl_syntax:get_precomments(Node) ++ [C1]), + C2 = erl_syntax:comment(2,["After a try expression"]), + Node2 = erl_syntax:set_postcomments(Node1, + erl_syntax:get_postcomments(Node1) ++ [C2]), + {Node2,{CntCase,CntTry+1}}; + _ -> + {Node,Cnt} + end + end, + Fs1 = erl_syntax:form_list(Fs0), + {Fs2,{CC,CT}} = erl_syntax_lib:mapfold(Comment,{0,0}, Fs1), + io:format("Commented on ~w cases and ~w tries~n", [CC,CT]), + PP = erl_prettypr:format(Fs2), + ok = file:write_file(OutFile,iolist_to_binary(PP)), + pretty_print_parse_forms(FsForms,PrivDir,Filename). + + +validate(_,[]) -> ok; +validate(F,[V|Vs]) -> + ok = F(V), + validate(F,Vs). + + +validate_abstract_type({Lit,Type}) -> + Tree = erl_syntax:abstract(Lit), + ok = validate_special_type(Type,Tree), + Type = erl_syntax:type(Tree), + true = erl_syntax:is_literal(Tree), + ErlT = erl_syntax:revert(Tree), + Type = erl_syntax:type(ErlT), + ok = validate_special_type(Type,ErlT), + Conc = erl_syntax:concrete(Tree), + Lit = Conc, + ok. + +validate_erl_parse_type({String,Type,Leaf}) -> + ErlT = string_to_expr(String), + ok = validate_special_type(Type,ErlT), + Type = erl_syntax:type(ErlT), + Leaf = erl_syntax:is_leaf(ErlT), + Tree = erl_syntax_lib:map(fun(Node) -> Node end, ErlT), + Type = erl_syntax:type(Tree), + _ = erl_syntax:meta(Tree), + ok = validate_special_type(Type,Tree), + RevT = erl_syntax:revert(Tree), + ok = validate_special_type(Type,RevT), + Type = erl_syntax:type(RevT), + ok. + +validate_special_type(string,Node) -> + Val = erl_syntax:string_value(Node), + true = erl_syntax:is_string(Node,Val), + _ = erl_syntax:string_literal(Node), + ok; +validate_special_type(variable,Node) -> + _ = erl_syntax:variable_literal(Node), + ok; +validate_special_type(fun_expr,Node) -> + A = erl_syntax:fun_expr_arity(Node), + true = is_integer(A), + ok; +validate_special_type(named_fun_expr,Node) -> + A = erl_syntax:named_fun_expr_arity(Node), + true = is_integer(A), + ok; +validate_special_type(tuple,Node) -> + Size = erl_syntax:tuple_size(Node), + true = is_integer(Size), + ok; +validate_special_type(float,Node) -> + Str = erl_syntax:float_literal(Node), + Val = list_to_float(Str), + Val = erl_syntax:float_value(Node), + false = erl_syntax:is_proper_list(Node), + false = erl_syntax:is_list_skeleton(Node), + ok; +validate_special_type(integer,Node) -> + Str = erl_syntax:integer_literal(Node), + Val = list_to_integer(Str), + true = erl_syntax:is_integer(Node,Val), + Val = erl_syntax:integer_value(Node), + false = erl_syntax:is_proper_list(Node), + ok; +validate_special_type(nil,Node) -> + true = erl_syntax:is_proper_list(Node), + ok; +validate_special_type(list,Node) -> + true = erl_syntax:is_list_skeleton(Node), + _ = erl_syntax:list_tail(Node), + ErrV = erl_syntax:list_head(Node), + false = erl_syntax:is_string(Node,ErrV), + Norm = erl_syntax:normalize_list(Node), + list = erl_syntax:type(Norm), + case erl_syntax:is_proper_list(Node) of + true -> + true = erl_syntax:is_list_skeleton(Node), + Compact = erl_syntax:compact_list(Node), + list = erl_syntax:type(Compact), + [_|_] = erl_syntax:list_elements(Node), + _ = erl_syntax:list_elements(Node), + N = erl_syntax:list_length(Node), + true = N > 0, + ok; + false -> + ok + end; +validate_special_type(_,_) -> + ok. + +%%% scan_and_parse + +string_to_expr(String) -> + io:format("Str: ~p~n", [String]), + {ok, Ts, _} = erl_scan:string(String++"."), + {ok,[Expr]} = erl_parse:parse_exprs(Ts), + Expr. + p_run(Test, List) -> N = erlang:system_info(schedulers), @@ -138,4 +426,3 @@ p_run_loop(Test, List, N, Refs0, Errors0) -> Refs = Refs0 -- [Ref], p_run_loop(Test, List, N, Refs, Errors) end. - diff --git a/lib/syntax_tools/test/syntax_tools_SUITE_data/m1.erl b/lib/syntax_tools/test/syntax_tools_SUITE_data/m1.erl new file mode 100644 index 0000000000..d0d1911199 --- /dev/null +++ b/lib/syntax_tools/test/syntax_tools_SUITE_data/m1.erl @@ -0,0 +1,22 @@ +%% +%% File: m1.erl +%% Author: Björn-Egil Dahlberg +%% Created: 2014-10-24 +%% + +-module(m1). + +-export([foo/0,bar/1,baz/2]). + +foo() -> + [m2:foo(), + m2:bar()]. + +bar(A) -> + [m2:foo(A), + m2:bar(A), + m2:record_update(3,m2:record())]. + +baz(A,B) -> + [m2:foo(A,B), + m2:bar(A,B)]. diff --git a/lib/syntax_tools/test/syntax_tools_SUITE_data/m2.erl b/lib/syntax_tools/test/syntax_tools_SUITE_data/m2.erl new file mode 100644 index 0000000000..781139317d --- /dev/null +++ b/lib/syntax_tools/test/syntax_tools_SUITE_data/m2.erl @@ -0,0 +1,26 @@ +%% +%% File: m2.erl +%% Author: Björn-Egil Dahlberg +%% Created: 2014-10-24 +%% + +-module(m2). + + +-export([foo/0,foo/1,foo/2, + bar/0,bar/1,bar/2, + record_update/2, record/0]). + +foo() -> ok. +foo(A) -> [item,A]. +foo(A,B) -> A + B. + +bar() -> true. +bar(A) -> {element,A}. +bar(A,B) -> A*B. + +-record(rec, {a,b}). + +record() -> #rec{a=3,b=0}. +record_update(V,#rec{a=V0}=R) -> + R#rec{a=V0+V,b=V0}. diff --git a/lib/syntax_tools/test/syntax_tools_SUITE_data/syntax_tools_SUITE_test_module.erl b/lib/syntax_tools/test/syntax_tools_SUITE_data/syntax_tools_SUITE_test_module.erl new file mode 100644 index 0000000000..07c419b4b7 --- /dev/null +++ b/lib/syntax_tools/test/syntax_tools_SUITE_data/syntax_tools_SUITE_test_module.erl @@ -0,0 +1,540 @@ +-module(syntax_tools_SUITE_test_module). + +-export([foo1/1,foo2/3,start_child/2]). + +-export([len/1,equal/2,concat/2,chr/2,rchr/2,str/2,rstr/2, + span/2,cspan/2,substr/2,substr/3,tokens/2,chars/2,chars/3]). +-export([copies/2,words/1,words/2,strip/1,strip/2,strip/3, + sub_word/2,sub_word/3,left/2,left/3,right/2,right/3, + sub_string/2,sub_string/3,centre/2,centre/3, join/2]). +-export([to_upper/1, to_lower/1]). + +-import(lists,[reverse/1,member/2]). + + +%% @type some_type() = map() +%% @type some_other_type() = {a, #{ list() => term()}} + +-type some_type() :: map(). +-type some_other_type() :: {'a', #{ list() => term()} }. + +-spec foo1(Map :: #{ 'a' => integer(), 'b' => term()}) -> term(). + +%% @doc Gets value from map. + +foo1(#{ a:= 1, b := V}) -> V. + +%% @spec foo2(some_type(), Type2 :: some_other_type(), map()) -> Value +%% @doc Gets value from map. + +-spec foo2( + Type1 :: some_type(), + Type2 :: some_other_type(), + Map :: #{ get => 'value', 'value' => binary()}) -> binary(). + +foo2(Type1, {a,#{ "a" := _}}, #{get := value, value := B}) when is_map(Type1) -> B. + +%% from supervisor 18.0 + +-type child() :: 'undefined' | pid(). +-type child_id() :: term(). +-type mfargs() :: {M :: module(), F :: atom(), A :: [term()] | undefined}. +-type modules() :: [module()] | 'dynamic'. +-type restart() :: 'permanent' | 'transient' | 'temporary'. +-type shutdown() :: 'brutal_kill' | timeout(). +-type worker() :: 'worker' | 'supervisor'. +-type sup_ref() :: (Name :: atom()) + | {Name :: atom(), Node :: node()} + | {'global', Name :: atom()} + | {'via', Module :: module(), Name :: any()} + | pid(). +-type child_spec() :: #{name => child_id(), % mandatory + start => mfargs(), % mandatory + restart => restart(), % optional + shutdown => shutdown(), % optional + type => worker(), % optional + modules => modules()} % optional + | {Id :: child_id(), + StartFunc :: mfargs(), + Restart :: restart(), + Shutdown :: shutdown(), + Type :: worker(), + Modules :: modules()}. + +-type startchild_err() :: 'already_present' + | {'already_started', Child :: child()} | term(). +-type startchild_ret() :: {'ok', Child :: child()} + | {'ok', Child :: child(), Info :: term()} + | {'error', startchild_err()}. + + +-spec start_child(SupRef, ChildSpec) -> startchild_ret() when + SupRef :: sup_ref(), + ChildSpec :: child_spec() | (List :: [term()]). +start_child(Supervisor, ChildSpec) -> + {Supervisor,ChildSpec}. + + +%% From string.erl +%% Robert's bit + +%% len(String) +%% Return the length of a string. + +-spec len(String) -> Length when + String :: string(), + Length :: non_neg_integer(). + +len(S) -> length(S). + +%% equal(String1, String2) +%% Test if 2 strings are equal. + +-spec equal(String1, String2) -> boolean() when + String1 :: string(), + String2 :: string(). + +equal(S, S) -> true; +equal(_, _) -> false. + +%% concat(String1, String2) +%% Concatenate 2 strings. + +-spec concat(String1, String2) -> String3 when + String1 :: string(), + String2 :: string(), + String3 :: string(). + +concat(S1, S2) -> S1 ++ S2. + +%% chr(String, Char) +%% rchr(String, Char) +%% Return the first/last index of the character in a string. + +-spec chr(String, Character) -> Index when + String :: string(), + Character :: char(), + Index :: non_neg_integer(). + +chr(S, C) when is_integer(C) -> chr(S, C, 1). + +chr([C|_Cs], C, I) -> I; +chr([_|Cs], C, I) -> chr(Cs, C, I+1); +chr([], _C, _I) -> 0. + +-spec rchr(String, Character) -> Index when + String :: string(), + Character :: char(), + Index :: non_neg_integer(). + +rchr(S, C) when is_integer(C) -> rchr(S, C, 1, 0). + +rchr([C|Cs], C, I, _L) -> %Found one, now find next! + rchr(Cs, C, I+1, I); +rchr([_|Cs], C, I, L) -> + rchr(Cs, C, I+1, L); +rchr([], _C, _I, L) -> L. + +%% str(String, SubString) +%% rstr(String, SubString) +%% index(String, SubString) +%% Return the first/last index of the sub-string in a string. +%% index/2 is kept for backwards compatibility. + +-spec str(String, SubString) -> Index when + String :: string(), + SubString :: string(), + Index :: non_neg_integer(). + +str(S, Sub) when is_list(Sub) -> str(S, Sub, 1). + +str([C|S], [C|Sub], I) -> + case prefix(Sub, S) of + true -> I; + false -> str(S, [C|Sub], I+1) + end; +str([_|S], Sub, I) -> str(S, Sub, I+1); +str([], _Sub, _I) -> 0. + +-spec rstr(String, SubString) -> Index when + String :: string(), + SubString :: string(), + Index :: non_neg_integer(). + +rstr(S, Sub) when is_list(Sub) -> rstr(S, Sub, 1, 0). + +rstr([C|S], [C|Sub], I, L) -> + case prefix(Sub, S) of + true -> rstr(S, [C|Sub], I+1, I); + false -> rstr(S, [C|Sub], I+1, L) + end; +rstr([_|S], Sub, I, L) -> rstr(S, Sub, I+1, L); +rstr([], _Sub, _I, L) -> L. + +prefix([C|Pre], [C|String]) -> prefix(Pre, String); +prefix([], String) when is_list(String) -> true; +prefix(Pre, String) when is_list(Pre), is_list(String) -> false. + +%% span(String, Chars) -> Length. +%% cspan(String, Chars) -> Length. + +-spec span(String, Chars) -> Length when + String :: string(), + Chars :: string(), + Length :: non_neg_integer(). + +span(S, Cs) when is_list(Cs) -> span(S, Cs, 0). + +span([C|S], Cs, I) -> + case member(C, Cs) of + true -> span(S, Cs, I+1); + false -> I + end; +span([], _Cs, I) -> I. + +-spec cspan(String, Chars) -> Length when + String :: string(), + Chars :: string(), + Length :: non_neg_integer(). + +cspan(S, Cs) when is_list(Cs) -> cspan(S, Cs, 0). + +cspan([C|S], Cs, I) -> + case member(C, Cs) of + true -> I; + false -> cspan(S, Cs, I+1) + end; +cspan([], _Cs, I) -> I. + +%% substr(String, Start) +%% substr(String, Start, Length) +%% Extract a sub-string from String. + +-spec substr(String, Start) -> SubString when + String :: string(), + SubString :: string(), + Start :: pos_integer(). + +substr(String, 1) when is_list(String) -> + String; +substr(String, S) when is_integer(S), S > 1 -> + substr2(String, S). + +-spec substr(String, Start, Length) -> SubString when + String :: string(), + SubString :: string(), + Start :: pos_integer(), + Length :: non_neg_integer(). + +substr(String, S, L) when is_integer(S), S >= 1, is_integer(L), L >= 0 -> + substr1(substr2(String, S), L). + +substr1([C|String], L) when L > 0 -> [C|substr1(String, L-1)]; +substr1(String, _L) when is_list(String) -> []. %Be nice! + +substr2(String, 1) when is_list(String) -> String; +substr2([_|String], S) -> substr2(String, S-1). + +%% tokens(String, Seperators). +%% Return a list of tokens seperated by characters in Seperators. + +-spec tokens(String, SeparatorList) -> Tokens when + String :: string(), + SeparatorList :: string(), + Tokens :: [Token :: nonempty_string()]. + +tokens(S, Seps) -> + tokens1(S, Seps, []). + +tokens1([C|S], Seps, Toks) -> + case member(C, Seps) of + true -> tokens1(S, Seps, Toks); + false -> tokens2(S, Seps, Toks, [C]) + end; +tokens1([], _Seps, Toks) -> + reverse(Toks). + +tokens2([C|S], Seps, Toks, Cs) -> + case member(C, Seps) of + true -> tokens1(S, Seps, [reverse(Cs)|Toks]); + false -> tokens2(S, Seps, Toks, [C|Cs]) + end; +tokens2([], _Seps, Toks, Cs) -> + reverse([reverse(Cs)|Toks]). + +-spec chars(Character, Number) -> String when + Character :: char(), + Number :: non_neg_integer(), + String :: string(). + +chars(C, N) -> chars(C, N, []). + +-spec chars(Character, Number, Tail) -> String when + Character :: char(), + Number :: non_neg_integer(), + Tail :: string(), + String :: string(). + +chars(C, N, Tail) when N > 0 -> + chars(C, N-1, [C|Tail]); +chars(C, 0, Tail) when is_integer(C) -> + Tail. + +%% Torbjörn's bit. + +%%% COPIES %%% + +-spec copies(String, Number) -> Copies when + String :: string(), + Copies :: string(), + Number :: non_neg_integer(). + +copies(CharList, Num) when is_list(CharList), is_integer(Num), Num >= 0 -> + copies(CharList, Num, []). + +copies(_CharList, 0, R) -> + R; +copies(CharList, Num, R) -> + copies(CharList, Num-1, CharList++R). + +%%% WORDS %%% + +-spec words(String) -> Count when + String :: string(), + Count :: pos_integer(). + +words(String) -> words(String, $\s). + +-spec words(String, Character) -> Count when + String :: string(), + Character :: char(), + Count :: pos_integer(). + +words(String, Char) when is_integer(Char) -> + w_count(strip(String, both, Char), Char, 0). + +w_count([], _, Num) -> Num+1; +w_count([H|T], H, Num) -> w_count(strip(T, left, H), H, Num+1); +w_count([_H|T], Char, Num) -> w_count(T, Char, Num). + +%%% SUB_WORDS %%% + +-spec sub_word(String, Number) -> Word when + String :: string(), + Word :: string(), + Number :: integer(). + +sub_word(String, Index) -> sub_word(String, Index, $\s). + +-spec sub_word(String, Number, Character) -> Word when + String :: string(), + Word :: string(), + Number :: integer(), + Character :: char(). + +sub_word(String, Index, Char) when is_integer(Index), is_integer(Char) -> + case words(String, Char) of + Num when Num < Index -> + []; + _Num -> + s_word(strip(String, left, Char), Index, Char, 1, []) + end. + +s_word([], _, _, _,Res) -> reverse(Res); +s_word([Char|_],Index,Char,Index,Res) -> reverse(Res); +s_word([H|T],Index,Char,Index,Res) -> s_word(T,Index,Char,Index,[H|Res]); +s_word([Char|T],Stop,Char,Index,Res) when Index < Stop -> + s_word(strip(T,left,Char),Stop,Char,Index+1,Res); +s_word([_|T],Stop,Char,Index,Res) when Index < Stop -> + s_word(T,Stop,Char,Index,Res). + +%%% STRIP %%% + +-spec strip(string()) -> string(). + +strip(String) -> strip(String, both). + +-spec strip(String, Direction) -> Stripped when + String :: string(), + Stripped :: string(), + Direction :: left | right | both. + +strip(String, left) -> strip_left(String, $\s); +strip(String, right) -> strip_right(String, $\s); +strip(String, both) -> + strip_right(strip_left(String, $\s), $\s). + +-spec strip(String, Direction, Character) -> Stripped when + String :: string(), + Stripped :: string(), + Direction :: left | right | both, + Character :: char(). + +strip(String, right, Char) -> strip_right(String, Char); +strip(String, left, Char) -> strip_left(String, Char); +strip(String, both, Char) -> + strip_right(strip_left(String, Char), Char). + +strip_left([Sc|S], Sc) -> + strip_left(S, Sc); +strip_left([_|_]=S, Sc) when is_integer(Sc) -> S; +strip_left([], Sc) when is_integer(Sc) -> []. + +strip_right([Sc|S], Sc) -> + case strip_right(S, Sc) of + [] -> []; + T -> [Sc|T] + end; +strip_right([C|S], Sc) -> + [C|strip_right(S, Sc)]; +strip_right([], Sc) when is_integer(Sc) -> + []. + +%%% LEFT %%% + +-spec left(String, Number) -> Left when + String :: string(), + Left :: string(), + Number :: non_neg_integer(). + +left(String, Len) when is_integer(Len) -> left(String, Len, $\s). + +-spec left(String, Number, Character) -> Left when + String :: string(), + Left :: string(), + Number :: non_neg_integer(), + Character :: char(). + +left(String, Len, Char) when is_integer(Char) -> + Slen = length(String), + if + Slen > Len -> substr(String, 1, Len); + Slen < Len -> l_pad(String, Len-Slen, Char); + Slen =:= Len -> String + end. + +l_pad(String, Num, Char) -> String ++ chars(Char, Num). + +%%% RIGHT %%% + +-spec right(String, Number) -> Right when + String :: string(), + Right :: string(), + Number :: non_neg_integer(). + +right(String, Len) when is_integer(Len) -> right(String, Len, $\s). + +-spec right(String, Number, Character) -> Right when + String :: string(), + Right :: string(), + Number :: non_neg_integer(), + Character :: char(). + +right(String, Len, Char) when is_integer(Char) -> + Slen = length(String), + if + Slen > Len -> substr(String, Slen-Len+1); + Slen < Len -> r_pad(String, Len-Slen, Char); + Slen =:= Len -> String + end. + +r_pad(String, Num, Char) -> chars(Char, Num, String). + +%%% CENTRE %%% + +-spec centre(String, Number) -> Centered when + String :: string(), + Centered :: string(), + Number :: non_neg_integer(). + +centre(String, Len) when is_integer(Len) -> centre(String, Len, $\s). + +-spec centre(String, Number, Character) -> Centered when + String :: string(), + Centered :: string(), + Number :: non_neg_integer(), + Character :: char(). + +centre(String, 0, Char) when is_list(String), is_integer(Char) -> + []; % Strange cases to centre string +centre(String, Len, Char) when is_integer(Char) -> + Slen = length(String), + if + Slen > Len -> substr(String, (Slen-Len) div 2 + 1, Len); + Slen < Len -> + N = (Len-Slen) div 2, + r_pad(l_pad(String, Len-(Slen+N), Char), N, Char); + Slen =:= Len -> String + end. + +%%% SUB_STRING %%% + +-spec sub_string(String, Start) -> SubString when + String :: string(), + SubString :: string(), + Start :: pos_integer(). + +sub_string(String, Start) -> substr(String, Start). + +-spec sub_string(String, Start, Stop) -> SubString when + String :: string(), + SubString :: string(), + Start :: pos_integer(), + Stop :: pos_integer(). + +sub_string(String, Start, Stop) -> substr(String, Start, Stop - Start + 1). + +%% ISO/IEC 8859-1 (latin1) letters are converted, others are ignored +%% + +to_lower_char(C) when is_integer(C), $A =< C, C =< $Z -> + C + 32; +to_lower_char(C) when is_integer(C), 16#C0 =< C, C =< 16#D6 -> + C + 32; +to_lower_char(C) when is_integer(C), 16#D8 =< C, C =< 16#DE -> + C + 32; +to_lower_char(C) -> + C. + +to_upper_char(C) when is_integer(C), $a =< C, C =< $z -> + C - 32; +to_upper_char(C) when is_integer(C), 16#E0 =< C, C =< 16#F6 -> + C - 32; +to_upper_char(C) when is_integer(C), 16#F8 =< C, C =< 16#FE -> + C - 32; +to_upper_char(C) -> + C. + +-spec to_lower(String) -> Result when + String :: io_lib:latin1_string(), + Result :: io_lib:latin1_string() + ; (Char) -> CharResult when + Char :: char(), + CharResult :: char(). + +to_lower(S) when is_list(S) -> + [to_lower_char(C) || C <- S]; +to_lower(C) when is_integer(C) -> + to_lower_char(C). + +-spec to_upper(String) -> Result when + String :: io_lib:latin1_string(), + Result :: io_lib:latin1_string() + ; (Char) -> CharResult when + Char :: char(), + CharResult :: char(). + +to_upper(S) when is_list(S) -> + [to_upper_char(C) || C <- S]; +to_upper(C) when is_integer(C) -> + to_upper_char(C). + +-spec join(StringList, Separator) -> String when + StringList :: [string()], + Separator :: string(), + String :: string(). + +join([], Sep) when is_list(Sep) -> + []; +join([H|T], Sep) -> + H ++ lists:append([Sep ++ X || X <- T]). diff --git a/lib/syntax_tools/test/syntax_tools_SUITE_data/syntax_tools_test.erl b/lib/syntax_tools/test/syntax_tools_SUITE_data/syntax_tools_test.erl new file mode 100644 index 0000000000..dd3f88d7a8 --- /dev/null +++ b/lib/syntax_tools/test/syntax_tools_SUITE_data/syntax_tools_test.erl @@ -0,0 +1,115 @@ +%% +%% File: syntax_tools_test.erl +%% Author: Björn-Egil Dahlberg +%% Created: 2014-10-23 +%% + +-module(syntax_tools_test). + +-export([foo1/0,foo2/2,foo3/0,foo4/3,foo5/1]). + +-include_lib("kernel/include/file.hrl"). +-record(state, { a, b, c, d}). +-attribute([foo/0]). + +-define(attrib, some_attrib). + +-?attrib([foo2/2]). + +-define(macro_simple1, ok). +-define(MACRO_SIMPLE2, (other)). +-define(macro_simple3, ?MODULE). +-define(macro_simple4, [?macro_simple3,?MODULE,?MACRO_SIMPLE2]). +-define(macro_simple5, (process_info)). +-define(macro_string, "hello world"). +-define(macro_argument1(X), (X + 3)). +-define(macro_argument2(X,Y), (X + 3 * Y)). +-define(macro_block(X), begin X end). +-define(macro_if(X1,X2), if X1 -> X2; true -> none end). + + +-ifdef(macro_def1). +-define(macro_cond1, yep). +-else. +-define(macro_cond1, nope). +-endif. +-ifndef(macro_def2). +-define(macro_cond2, nope). +-else. +-define(macro_cond2, yep). +-endif. +-undef(macro_def1). +-undef(macro_def2). + +%% basic test +foo1() -> + ok. + +%% macro test +foo2(A,B) -> + % string combining ? + [?macro_string, ?macro_string + ?macro_string, + "hello world " + "more hello", + [?macro_simple1, + ?MACRO_SIMPLE2, + ?macro_simple3, + ?macro_simple4, + ?macro_simple5, + ?macro_string, + ?macro_cond1, + ?macro_cond2, + ?macro_block(A), + ?macro_if(A,B), + ?macro_argument1(A), + ?macro_argument1(begin A end), + ?macro_block(<<"hello">>), + ?macro_block("hello"), + ?macro_block([$h,$e,$l,$l,$0]), + ?macro_argument1(id(<<"hello">>)), + ?macro_argument1(if A -> B; true -> 3.14 end), + ?macro_argument1(case A of ok -> B; C -> C end), + ?macro_argument1(receive M -> M after 100 -> 3 end), + ?macro_argument1(try foo5(A) catch C:?macro_simple5 -> {C,B} end), + ?macro_argument2(A,B)], + A,B,ok]. + +id(I) -> I. +%% basic terms + +foo3() -> + [atom, + 'some other atom', + {tuple,1,2,3}, + 1,2,3,3333, + 3,3333,2,1, + [$a,$b,$c], + "hello world", + <<"hello world">>, + <<1,2,3,4,5:6>>, + 3.1415, + 1.03e33]. + +%% application and records + +foo4(A,B,#state{c = C}=S) -> + Ls = foo3(), + S1 = #state{ a = 1, b = 2 }, + [foo2(A,Ls),B,C, + B(3,C), + erlang:process_info(self()), + erlang:?macro_simple5(self()), + A:?MACRO_SIMPLE2(), + A:?macro_simple1(), + A:process_info(self()), + A:B(3), + S#state{ a = 2, b = B, d = S1 }]. + +foo5(A) -> + try foo2(A,A) of + R -> R + catch + error:?macro_simple5 -> + nope + end. diff --git a/lib/test_server/src/configure.in b/lib/test_server/src/configure.in index cd723bcd4d..8398825d95 100644 --- a/lib/test_server/src/configure.in +++ b/lib/test_server/src/configure.in @@ -357,7 +357,23 @@ AC_CHECK_FUNCS(usleep) # First check if the library is available, then if we can choose between # two versions of gethostbyname AC_HAVE_LIBRARY(resolv) -AC_CHECK_LIB(resolv, res_gethostbyname,[DEFS="$DEFS -DHAVE_RES_GETHOSTBYNAME=1"]) +AC_CHECK_LIB(resolv, res_gethostbyname,[AC_DEFINE(HAVE_RES_GETHOSTBYNAME,1)]) + +#-------------------------------------------------------------------- +# Check for isfinite +#-------------------------------------------------------------------- + +AC_MSG_CHECKING([for isfinite]) +AC_TRY_LINK([#include <math.h>], + [isfinite(0);], have_isfinite=yes, have_isfinite=no) + +if test $have_isfinite = yes; then + AC_DEFINE(HAVE_ISFINITE,1) + AC_MSG_RESULT(yes) +else + AC_DEFINE(HAVE_FINITE,1) + AC_MSG_RESULT(no) +fi #-------------------------------------------------------------------- # Emulator compatible flags (for drivers) diff --git a/lib/tools/emacs/erlang-skels.el b/lib/tools/emacs/erlang-skels.el index b37d08e767..78929ac510 100644 --- a/lib/tools/emacs/erlang-skels.el +++ b/lib/tools/emacs/erlang-skels.el @@ -31,6 +31,7 @@ ("Module" "module" erlang-skel-module) ("Author" "author" erlang-skel-author) ("Function" "function" erlang-skel-function) + ("Spec" "spec" erlang-skel-spec) () ("Small Header" "small-header" erlang-skel-small-header erlang-skel-header) @@ -54,6 +55,8 @@ erlang-skel-gen-event erlang-skel-header) ("gen_fsm" "gen-fsm" erlang-skel-gen-fsm erlang-skel-header) + ("wx_object" "wx-object" + erlang-skel-wx-object erlang-skel-header) ("Library module" "gen-lib" erlang-skel-lib erlang-skel-header) ("Corba callback" "gen-corba-cb" @@ -147,6 +150,10 @@ Please see the function `tempo-define-template'.") "*The template of a function skeleton. Please see the function `tempo-define-template'.") +(defvar erlang-skel-spec + '("-spec " (erlang-skel-get-function-name) "(" (erlang-skel-get-function-args) ") -> undefined.") + "*The template of a -spec for the function following point. +Please see the function `tempo-define-template'.") ;; Attribute templates @@ -851,6 +858,137 @@ Please see the function `tempo-define-template'.") "*The template of a gen_fsm. Please see the function `tempo-define-template'.") +(defvar erlang-skel-wx-object + '((erlang-skel-include erlang-skel-large-header) + "-behaviour(wx_object)." n n + + "-include_lib(\"wx/include/wx.hrl\")." n n + + "%% API" n + "-export([start_link/0])." n n + + "%% wx_object callbacks" n + "-export([init/1, handle_call/3, handle_cast/2, " + "handle_info/2," n> + "handle_event/2, terminate/2, code_change/3])." n n + + "-record(state, {})." n n + + (erlang-skel-double-separator-start 3) + "%%% API" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Starts the server" n + "%%" n + "%% @spec start_link() -> wxWindow()" n + (erlang-skel-separator-end 2) + "start_link() ->" n> + "wx_object:start_link(?MODULE, [], [])." n + n + (erlang-skel-double-separator-start 3) + "%%% wx_object callbacks" n + (erlang-skel-double-separator-end 3) + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Initializes the server" n + "%%" n + "%% @spec init(Args) -> {wxWindow(), State} |" n + "%% {wxWindow(), State, Timeout} |" n + "%% ignore |" n + "%% {stop, Reason}" n + (erlang-skel-separator-end 2) + "init([]) ->" n> + "wx:new()," n> + "Frame = wxFrame:new()," n> + "{Frame, #state{}}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Handling events" n + "%%" n + "%% @spec handle_event(wx{}, State) ->" n + "%% {noreply, State} |" n + "%% {noreply, State, Timeout} |" n + "%% {stop, Reason, State}" n + (erlang-skel-separator-end 2) + "handle_event(#wx{}, State) ->" n> + "{noreply, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Handling call messages" n + "%%" n + "%% @spec handle_call(Request, From, State) ->" n + "%% {reply, Reply, State} |" n + "%% {reply, Reply, State, Timeout} |" n + "%% {noreply, State} |" n + "%% {noreply, State, Timeout} |" n + "%% {stop, Reason, Reply, State} |" n + "%% {stop, Reason, State}" n + (erlang-skel-separator-end 2) + "handle_call(_Request, _From, State) ->" n> + "Reply = ok," n> + "{reply, Reply, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Handling cast messages" n + "%%" n + "%% @spec handle_cast(Msg, State) -> {noreply, State} |" n + "%% {noreply, State, Timeout} |" n + "%% {stop, Reason, State}" n + (erlang-skel-separator-end 2) + "handle_cast(_Msg, State) ->" n> + "{noreply, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Handling all non call/cast messages" n + "%%" n + "%% @spec handle_info(Info, State) -> {noreply, State} |" n + "%% {noreply, State, Timeout} |" n + "%% {stop, Reason, State}" n + (erlang-skel-separator-end 2) + "handle_info(_Info, State) ->" n> + "{noreply, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% This function is called by a wx_object when it is about to" n + "%% terminate. It should be the opposite of Module:init/1 and do any" n + "%% necessary cleaning up. When it returns, the wx_object terminates" n + "%% with Reason. The return value is ignored." n + "%%" n + "%% @spec terminate(Reason, State) -> void()" n + (erlang-skel-separator-end 2) + "terminate(_Reason, _State) ->" n> + "ok." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Convert process state when code is changed" n + "%%" n + "%% @spec code_change(OldVsn, State, Extra) -> {ok, NewState}" n + (erlang-skel-separator-end 2) + "code_change(_OldVsn, State, _Extra) ->" n> + "{ok, State}." n + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of a generic server. +Please see the function `tempo-define-template'.") + (defvar erlang-skel-lib '((erlang-skel-include erlang-skel-large-header) @@ -1546,6 +1684,16 @@ The first character of DD is space if the value is less than 10." (substring date 4 7) (substring date -4)))) +(defun erlang-skel-get-function-name () + (save-excursion + (erlang-beginning-of-function -1) + (erlang-get-function-name))) + +(defun erlang-skel-get-function-args () + (save-excursion + (erlang-beginning-of-function -1) + (erlang-get-function-arguments))) + ;; Local variables: ;; coding: iso-8859-1 ;; End: diff --git a/lib/wx/examples/demo/ex_graphicsContext.erl b/lib/wx/examples/demo/ex_graphicsContext.erl index 59bfe7ff64..9047f1d135 100644 --- a/lib/wx/examples/demo/ex_graphicsContext.erl +++ b/lib/wx/examples/demo/ex_graphicsContext.erl @@ -54,7 +54,7 @@ do_init(Config) -> %% Setup sizers MainSizer = wxBoxSizer:new(?wxVERTICAL), Sizer = wxStaticBoxSizer:new(?wxVERTICAL, Panel, - [{label, "wxGrapicsContext"}]), + [{label, "wxGraphicsContext"}]), Win = wxPanel:new(Panel, []), Pen = ?wxBLACK_PEN, diff --git a/otp_versions.table b/otp_versions.table index 0387b0d0e4..c92d285647 100644 --- a/otp_versions.table +++ b/otp_versions.table @@ -1,3 +1,5 @@ +OTP-17.3.4 : erts-6.2.1 # asn1-3.0.2 common_test-1.8.2 compiler-5.0.2 cosEvent-2.1.15 cosEventDomain-1.1.14 cosFileTransfer-1.1.16 cosNotification-1.1.21 cosProperty-1.1.17 cosTime-1.1.14 cosTransactions-1.2.14 crypto-3.4.1 debugger-4.0.1 dialyzer-2.7.2 diameter-1.7.1 edoc-0.7.15 eldap-1.0.4 erl_docgen-0.3.6 erl_interface-3.7.19 et-1.5 eunit-2.2.8 gs-1.5.16 hipe-3.11.1 ic-4.3.6 inets-5.10.3 jinterface-1.5.11 kernel-3.0.3 megaco-3.17.2 mnesia-4.12.3 observer-2.0.2 odbc-2.10.21 orber-3.7.1 os_mon-2.3 ose-1.0.2 otp_mibs-1.0.9 parsetools-2.0.11 percept-0.8.9 public_key-0.22.1 reltool-0.6.6 runtime_tools-1.8.14 sasl-2.4.1 snmp-5.1 ssh-3.0.8 ssl-5.3.7 stdlib-2.2 syntax_tools-1.6.16 test_server-3.7.1 tools-2.7 typer-0.9.8 webtool-0.8.10 wx-1.3.1 xmerl-1.3.7 : +OTP-17.3.3 : ssh-3.0.8 # asn1-3.0.2 common_test-1.8.2 compiler-5.0.2 cosEvent-2.1.15 cosEventDomain-1.1.14 cosFileTransfer-1.1.16 cosNotification-1.1.21 cosProperty-1.1.17 cosTime-1.1.14 cosTransactions-1.2.14 crypto-3.4.1 debugger-4.0.1 dialyzer-2.7.2 diameter-1.7.1 edoc-0.7.15 eldap-1.0.4 erl_docgen-0.3.6 erl_interface-3.7.19 erts-6.2 et-1.5 eunit-2.2.8 gs-1.5.16 hipe-3.11.1 ic-4.3.6 inets-5.10.3 jinterface-1.5.11 kernel-3.0.3 megaco-3.17.2 mnesia-4.12.3 observer-2.0.2 odbc-2.10.21 orber-3.7.1 os_mon-2.3 ose-1.0.2 otp_mibs-1.0.9 parsetools-2.0.11 percept-0.8.9 public_key-0.22.1 reltool-0.6.6 runtime_tools-1.8.14 sasl-2.4.1 snmp-5.1 ssl-5.3.7 stdlib-2.2 syntax_tools-1.6.16 test_server-3.7.1 tools-2.7 typer-0.9.8 webtool-0.8.10 wx-1.3.1 xmerl-1.3.7 : OTP-17.3.2 : ssh-3.0.7 ssl-5.3.7 # asn1-3.0.2 common_test-1.8.2 compiler-5.0.2 cosEvent-2.1.15 cosEventDomain-1.1.14 cosFileTransfer-1.1.16 cosNotification-1.1.21 cosProperty-1.1.17 cosTime-1.1.14 cosTransactions-1.2.14 crypto-3.4.1 debugger-4.0.1 dialyzer-2.7.2 diameter-1.7.1 edoc-0.7.15 eldap-1.0.4 erl_docgen-0.3.6 erl_interface-3.7.19 erts-6.2 et-1.5 eunit-2.2.8 gs-1.5.16 hipe-3.11.1 ic-4.3.6 inets-5.10.3 jinterface-1.5.11 kernel-3.0.3 megaco-3.17.2 mnesia-4.12.3 observer-2.0.2 odbc-2.10.21 orber-3.7.1 os_mon-2.3 ose-1.0.2 otp_mibs-1.0.9 parsetools-2.0.11 percept-0.8.9 public_key-0.22.1 reltool-0.6.6 runtime_tools-1.8.14 sasl-2.4.1 snmp-5.1 stdlib-2.2 syntax_tools-1.6.16 test_server-3.7.1 tools-2.7 typer-0.9.8 webtool-0.8.10 wx-1.3.1 xmerl-1.3.7 : OTP-17.3.1 : eldap-1.0.4 erl_interface-3.7.19 jinterface-1.5.11 orber-3.7.1 ose-1.0.2 ssh-3.0.6 # asn1-3.0.2 common_test-1.8.2 compiler-5.0.2 cosEvent-2.1.15 cosEventDomain-1.1.14 cosFileTransfer-1.1.16 cosNotification-1.1.21 cosProperty-1.1.17 cosTime-1.1.14 cosTransactions-1.2.14 crypto-3.4.1 debugger-4.0.1 dialyzer-2.7.2 diameter-1.7.1 edoc-0.7.15 erl_docgen-0.3.6 erts-6.2 et-1.5 eunit-2.2.8 gs-1.5.16 hipe-3.11.1 ic-4.3.6 inets-5.10.3 kernel-3.0.3 megaco-3.17.2 mnesia-4.12.3 observer-2.0.2 odbc-2.10.21 os_mon-2.3 otp_mibs-1.0.9 parsetools-2.0.11 percept-0.8.9 public_key-0.22.1 reltool-0.6.6 runtime_tools-1.8.14 sasl-2.4.1 snmp-5.1 ssl-5.3.6 stdlib-2.2 syntax_tools-1.6.16 test_server-3.7.1 tools-2.7 typer-0.9.8 webtool-0.8.10 wx-1.3.1 xmerl-1.3.7 : OTP-17.3 : asn1-3.0.2 common_test-1.8.2 compiler-5.0.2 crypto-3.4.1 dialyzer-2.7.2 diameter-1.7.1 edoc-0.7.15 erl_docgen-0.3.6 erl_interface-3.7.18 erts-6.2 eunit-2.2.8 hipe-3.11.1 ic-4.3.6 inets-5.10.3 jinterface-1.5.10 kernel-3.0.3 megaco-3.17.2 mnesia-4.12.3 observer-2.0.2 odbc-2.10.21 os_mon-2.3 ose-1.0.1 public_key-0.22.1 sasl-2.4.1 snmp-5.1 ssh-3.0.5 ssl-5.3.6 stdlib-2.2 tools-2.7 wx-1.3.1 # cosEvent-2.1.15 cosEventDomain-1.1.14 cosFileTransfer-1.1.16 cosNotification-1.1.21 cosProperty-1.1.17 cosTime-1.1.14 cosTransactions-1.2.14 debugger-4.0.1 eldap-1.0.3 et-1.5 gs-1.5.16 orber-3.7 otp_mibs-1.0.9 parsetools-2.0.11 percept-0.8.9 reltool-0.6.6 runtime_tools-1.8.14 syntax_tools-1.6.16 test_server-3.7.1 typer-0.9.8 webtool-0.8.10 xmerl-1.3.7 : diff --git a/system/doc/efficiency_guide/processes.xml b/system/doc/efficiency_guide/processes.xml index 6f85b029eb..86951e2dcc 100644 --- a/system/doc/efficiency_guide/processes.xml +++ b/system/doc/efficiency_guide/processes.xml @@ -186,7 +186,7 @@ kilo_byte(0, Acc) -> kilo_byte(N, Acc) -> kilo_byte(N-1, [Acc|Acc]).</code> - <p><c>kilo_byte/1</c> creates a deep list. If we call + <p><c>kilo_byte/0</c> creates a deep list. If we call <c>list_to_binary/1</c>, we can convert the deep list to a binary of 1024 bytes:</p> |