diff options
82 files changed, 1549 insertions, 628 deletions
diff --git a/erts/Makefile b/erts/Makefile index e9928b6b47..12d2ec57a8 100644 --- a/erts/Makefile +++ b/erts/Makefile @@ -40,8 +40,8 @@ all: $(FLAVORS) docs: $(V_at)( cd doc/src && $(MAKE) $@ ) -.PHONY: debug opt clean -debug opt clean: +.PHONY: debug opt lcnt clean +debug opt lcnt clean: $(V_at)for d in emulator $(ERTSDIRS); do \ if test -d $$d; then \ ( cd $$d && $(MAKE) $@ FLAVOR=$(FLAVOR) ) || exit $$? ; \ @@ -56,7 +56,9 @@ debug opt clean: .PHONY: $(FLAVORS) $(FLAVORS): - $(V_at)( $(MAKE) opt FLAVOR=$@ ) + $(V_at)for type in $(TYPES); do \ + ( $(MAKE) $$type FLAVOR=$@ ); \ + done # Make erl script and erlc in $(ERL_TOP)/bin which runs the compiled version # Note that erlc is not a script and requires extra handling on cygwin. @@ -128,7 +130,9 @@ makefiles: .PHONY: release release: $(V_at)for f in $(FLAVORS); do \ - ( cd emulator && $(MAKE) release FLAVOR=$$f ) \ + for t in $(TYPES); do \ + ( cd emulator && $(MAKE) release FLAVOR=$$f TYPE=$$t ) \ + done \ done $(V_at)for d in $(ERTSDIRS) $(XINSTDIRS); do \ if test -d $$d; then \ diff --git a/erts/configure.in b/erts/configure.in index c82ebaa74c..830e3d7776 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1002,6 +1002,7 @@ else fi FLAVORS= +TYPES=opt ERTS_BUILD_SMP_EMU=$enable_smp_support AC_MSG_CHECKING(whether an emulator with smp support should be built) case $ERTS_BUILD_SMP_EMU in @@ -1210,6 +1211,7 @@ esac AC_SUBST(ERTS_BUILD_PLAIN_EMU) AC_SUBST(FLAVORS) +AC_SUBST(TYPES) case "$ERTS_BUILD_PLAIN_EMU-$ERTS_BUILD_SMP_EMU" in no-no) @@ -1365,7 +1367,7 @@ else AC_MSG_CHECKING(whether lock counters should be enabled) AC_MSG_RESULT($enable_lock_count) if test "x$enable_lock_count" != "xno"; then - EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_ENABLE_LOCK_COUNT" + TYPES="$TYPES lcnt" fi case $host_os in diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index 6046e94599..e1aa5ce76e 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -239,6 +239,13 @@ <item> <p>Useful for debugging. Prints the arguments sent to the emulator.</p> </item> + <tag><c><![CDATA[-emu_type Type]]></c></tag> + <item> + <p>Start an emulator of a different type. For example, to start + the lock-counter emualator, use <c>-emu_type lcnt</c>. (The emulator + must already be built. Use the <c>configure</c> option + <c>--enable-lock-counter</c> to build the lock-counter emulator.)</p> + </item> <tag><c><![CDATA[-env Variable Value]]></c></tag> <item> <p>Sets the host OS environment variable <c><![CDATA[Variable]]></c> to diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 6f70ae4a52..6d165e9eff 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -1813,8 +1813,9 @@ true</pre> <fsummary>Get the call stack back-trace of the last exception.</fsummary> <type name="stack_item"/> <desc> - <p>Gets the call stack back-trace (<em>stacktrace</em>) of the - last exception in the calling process as a list of + <p>Gets the call stack back-trace (<em>stacktrace</em>) for an + exception that has just been caught + in the calling process as a list of <c>{<anno>Module</anno>,<anno>Function</anno>,<anno>Arity</anno>,<anno>Location</anno>}</c> tuples. Field <c><anno>Arity</anno></c> in the first tuple can be the argument list of that function call instead of an arity integer, @@ -1822,6 +1823,29 @@ true</pre> <p>If there has not been any exceptions in a process, the stacktrace is <c>[]</c>. After a code change for the process, the stacktrace can also be reset to <c>[]</c>.</p> + <p><c>erlang:get_stacktrace/0</c> is only guaranteed to return + a stacktrace if called (directly or indirectly) from within the + scope of a <c>try</c> expression. That is, the following call works:</p> +<pre> +try Expr +catch + C:R -> + {C,R,erlang:get_stacktrace()} +end</pre> + <p>As does this call:</p> +<pre> +try Expr +catch + C:R -> + {C,R,helper()} +end + +helper() -> + erlang:get_stacktrace().</pre> + + <warning><p>In a future release, + <c>erlang:get_stacktrace/0</c> will return <c>[]</c> if called + from outside a <c>try</c> expression.</p></warning> <p>The stacktrace is the same data as operator <c>catch</c> returns, for example:</p> <pre> diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index 4baee7900b..1f6feade1c 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -2266,21 +2266,6 @@ Eterm big_minus(Eterm x, Eterm y, Eterm *r) } /* -** Subtract a digit from big number -*/ -Eterm big_minus_small(Eterm x, Eterm y, Eterm *r) -{ - Eterm* xp = big_val(x); - - if (BIG_SIGN(xp)) - return big_norm(r, D_add(BIG_V(xp),BIG_SIZE(xp), (ErtsDigit) y, BIG_V(r)), - (short) BIG_SIGN(xp)); - else - return big_norm(r, D_sub(BIG_V(xp),BIG_SIZE(xp), (ErtsDigit) y, BIG_V(r)), - (short) BIG_SIGN(xp)); -} - -/* ** Multiply smallnums */ @@ -2412,16 +2397,6 @@ Eterm big_rem(Eterm x, Eterm y, Eterm *r) } } -Eterm big_neg(Eterm x, Eterm *r) -{ - Eterm* xp = big_val(x); - dsize_t xsz = BIG_SIZE(xp); - short xsgn = BIG_SIGN(xp); - - MOVE_DIGITS(BIG_V(r), BIG_V(xp), xsz); - return big_norm(r, xsz, (short) !xsgn); -} - Eterm big_band(Eterm x, Eterm y, Eterm *r) { Eterm* xp = big_val(x); diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h index 4a96d971c3..258038a157 100644 --- a/erts/emulator/beam/big.h +++ b/erts/emulator/beam/big.h @@ -118,9 +118,7 @@ Eterm big_minus(Eterm, Eterm, Eterm*); Eterm big_times(Eterm, Eterm, Eterm*); Eterm big_div(Eterm, Eterm, Eterm*); Eterm big_rem(Eterm, Eterm, Eterm*); -Eterm big_neg(Eterm, Eterm*); -Eterm big_minus_small(Eterm, Uint, Eterm*); Eterm big_plus_small(Eterm, Uint, Eterm*); Eterm big_times_small(Eterm, Uint, Eterm*); diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index b2c1133ded..169e1e423d 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -3512,28 +3512,6 @@ void erts_allctr_wrapper_pre_unlock(void) } - -/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ - * Deprecated functions * - * * - * These functions are still defined since "non-OTP linked in drivers" may * - * contain (illegal) calls to them. * -\* */ - -/* --- DO *NOT* USE THESE FUNCTIONS --- */ - -void *sys_alloc(Uint sz) -{ return erts_alloc_fnf(ERTS_ALC_T_UNDEF, sz); } -void *sys_realloc(void *ptr, Uint sz) -{ return erts_realloc_fnf(ERTS_ALC_T_UNDEF, ptr, sz); } -void sys_free(void *ptr) -{ erts_free(ERTS_ALC_T_UNDEF, ptr); } -void *safe_alloc(Uint sz) -{ return erts_alloc(ERTS_ALC_T_UNDEF, sz); } -void *safe_realloc(void *ptr, Uint sz) -{ return erts_realloc(ERTS_ALC_T_UNDEF, ptr, sz); } - - /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * NOTE: erts_alc_test() is only supposed to be used for testing. * * * diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h index 56a3b73bf9..758d529f87 100644 --- a/erts/emulator/beam/erl_alloc.h +++ b/erts/emulator/beam/erl_alloc.h @@ -173,13 +173,6 @@ __decl_noreturn void erts_realloc_n_enomem(ErtsAlcType_t,void*,Uint) __decl_noreturn void erts_alc_fatal_error(int,int,ErtsAlcType_t,...) __noreturn; -/* --- DO *NOT* USE THESE DEPRECATED FUNCTIONS --- Instead use: */ -void *safe_alloc(Uint) __deprecated; /* erts_alloc() */ -void *safe_realloc(void *, Uint) __deprecated; /* erts_realloc() */ -void sys_free(void *) __deprecated; /* erts_free() */ -void *sys_alloc(Uint ) __deprecated; /* erts_alloc_fnf() */ -void *sys_realloc(void *, Uint) __deprecated; /* erts_realloc_fnf() */ - #undef ERTS_HAVE_IS_IN_LITERAL_RANGE #if defined(ARCH_32) || defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) # define ERTS_HAVE_IS_IN_LITERAL_RANGE diff --git a/erts/emulator/beam/erl_cpu_topology.c b/erts/emulator/beam/erl_cpu_topology.c index 28aaeeb479..4347f9f2b7 100644 --- a/erts/emulator/beam/erl_cpu_topology.c +++ b/erts/emulator/beam/erl_cpu_topology.c @@ -827,17 +827,6 @@ erts_sched_bind_atfork_child(int unbind) return 0; } -char * -erts_sched_bind_atvfork_child(int unbind) -{ - if (unbind) { - ERTS_SMP_LC_ASSERT(erts_lc_rwmtx_is_rlocked(&cpuinfo_rwmtx) - || erts_lc_rwmtx_is_rwlocked(&cpuinfo_rwmtx)); - return erts_get_unbind_from_cpu_str(cpuinfo); - } - return "false"; -} - void erts_sched_bind_atfork_parent(int unbind) { diff --git a/erts/emulator/beam/erl_cpu_topology.h b/erts/emulator/beam/erl_cpu_topology.h index 45324ac4a0..cf139d95a9 100644 --- a/erts/emulator/beam/erl_cpu_topology.h +++ b/erts/emulator/beam/erl_cpu_topology.h @@ -85,22 +85,14 @@ void erts_sched_bind_atthrcreate_parent(int unbind); int erts_sched_bind_atfork_prepare(void); int erts_sched_bind_atfork_child(int unbind); -char *erts_sched_bind_atvfork_child(int unbind); void erts_sched_bind_atfork_parent(int unbind); Eterm erts_fake_scheduler_bindings(Process *p, Eterm how); Eterm erts_debug_cpu_groups_map(Process *c_p, int groups); - typedef void (*erts_cpu_groups_callback_t)(int, ErtsSchedulerData *, int, void *); -void erts_add_cpu_groups(int groups, - erts_cpu_groups_callback_t callback, - void *arg); -void erts_remove_cpu_groups(erts_cpu_groups_callback_t callback, - void *arg); - #endif diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index eaed15b14b..13eacaa8a9 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -1301,11 +1301,6 @@ int db_match_keeps_key(int keypos, Eterm match, Eterm guard, Eterm body) return 0; } -/* This is used when tracing */ -Eterm erts_match_set_lint(Process *p, Eterm matchexpr) { - return db_match_set_lint(p, matchexpr, DCOMP_TRACE); -} - Eterm db_match_set_lint(Process *p, Eterm matchexpr, Uint flags) { Eterm l; @@ -2017,7 +2012,8 @@ restart: do_catch = 0; fail_label = -1; build_proc = psp; - esdp->current_process = psp; + if (esdp) + esdp->current_process = psp; #ifdef DEBUG ASSERT(variables == mpsp->u.variables); @@ -2686,7 +2682,8 @@ restart: do_catch = 1; if (in_flags & ERTS_PAM_COPY_RESULT) { build_proc = c_p; - esdp->current_process = c_p; + if (esdp) + esdp->current_process = c_p; } break; case matchHalt: diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index a7a8da4ed8..2ff49c97b3 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -439,7 +439,7 @@ Eterm erts_gc_after_bif_call(Process* p, Eterm result, Eterm* regs, Uint arity) { return erts_gc_after_bif_call_lhf(p, ERTS_INVALID_HFRAG_PTR, - result, regs, arity); + result, regs, arity); } static ERTS_INLINE void reset_active_writer(Process *p) diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index fb38327d02..ac99f043e6 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -309,30 +309,6 @@ void erl_error(char *fmt, va_list args) static int early_init(int *argc, char **argv); -void -erts_short_init(void) -{ - - int ncpu; - int time_correction; - ErtsTimeWarpMode time_warp_mode; - - set_default_time_adj(&time_correction, - &time_warp_mode); - ncpu = early_init(NULL, NULL); - erl_init(ncpu, - ERTS_DEFAULT_MAX_PROCESSES, - 0, - ERTS_DEFAULT_MAX_PORTS, - 0, - 0, - time_correction, - time_warp_mode, - ERTS_NODE_TAB_DELAY_GC_DEFAULT, - ERTS_DB_SPNCNT_NORMAL); - erts_initialized = 1; -} - static void erl_init(int ncpu, int proc_tab_sz, diff --git a/erts/emulator/beam/erl_lock_count.c b/erts/emulator/beam/erl_lock_count.c index 6354fc8663..aee9796171 100644 --- a/erts/emulator/beam/erl_lock_count.c +++ b/erts/emulator/beam/erl_lock_count.c @@ -299,22 +299,16 @@ erts_lcnt_lock_list_t *erts_lcnt_list_init(void) { return list; } -/* only do this on the list with the deleted locks! */ -void erts_lcnt_list_clear(erts_lcnt_lock_list_t *list) { - erts_lcnt_lock_t *lock = NULL, - *next = NULL; +static void lcnt_list_free(erts_lcnt_lock_t *head) { + erts_lcnt_lock_t *lock, *next; - lock = list->head; + lock = head; while(lock != NULL) { next = lock->next; free(lock); lock = next; } - - list->head = NULL; - list->tail = NULL; - list->n = 0; } void erts_lcnt_list_insert(erts_lcnt_lock_list_t *list, erts_lcnt_lock_t *lock) { @@ -358,8 +352,11 @@ void erts_lcnt_init_lock(erts_lcnt_lock_t *lock, char *name, Uint16 flag ) { void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eterm id) { int i; - if (name == NULL) { ERTS_LCNT_CLEAR_FLAG(lock); return; } - lcnt_lock(); + + if (flag & ERTS_LCNT_LT_DISABLE) { + ERTS_LCNT_CLEAR_FLAG(lock); + return; + } lock->next = NULL; lock->prev = NULL; @@ -379,6 +376,7 @@ void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eter lcnt_clear_stats(&lock->stats[i]); } + lcnt_lock(); erts_lcnt_list_insert(erts_lcnt_data->current_locks, lock); lcnt_unlock(); } @@ -675,12 +673,17 @@ void erts_lcnt_clear_counters(void) { lock->n_stats = 1; } - /* empty deleted locks in lock list */ - erts_lcnt_list_clear(erts_lcnt_data->deleted_locks); + lock = erts_lcnt_data->deleted_locks->head; + erts_lcnt_data->deleted_locks->head = NULL; + erts_lcnt_data->deleted_locks->tail = NULL; + erts_lcnt_data->deleted_locks->n = 0; lcnt_time(&timer_start); lcnt_unlock(); + + /* free deleted locks */ + lcnt_list_free(lock); } erts_lcnt_data_t *erts_lcnt_get_data(void) { diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h index 3041474382..6caffbfe86 100644 --- a/erts/emulator/beam/erl_lock_count.h +++ b/erts/emulator/beam/erl_lock_count.h @@ -95,6 +95,8 @@ #define ERTS_LCNT_LO_READ (((Uint16) 1) << 6) #define ERTS_LCNT_LO_WRITE (((Uint16) 1) << 7) +#define ERTS_LCNT_LT_DISABLE (((Uint16) 1) << 8) + #define ERTS_LCNT_LO_READ_WRITE ( ERTS_LCNT_LO_READ \ | ERTS_LCNT_LO_WRITE ) @@ -204,7 +206,6 @@ void erts_lcnt_thread_exit_handler(void); /* list operations (local) */ erts_lcnt_lock_list_t *erts_lcnt_list_init(void); -void erts_lcnt_list_clear( erts_lcnt_lock_list_t *list); void erts_lcnt_list_insert(erts_lcnt_lock_list_t *list, erts_lcnt_lock_t *lock); void erts_lcnt_list_delete(erts_lcnt_lock_list_t *list, erts_lcnt_lock_t *lock); diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index bbdadafade..c305732d63 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -177,8 +177,8 @@ ERL_NIF_API_FUNC_DECL(int,enif_thread_type,(void)); ERL_NIF_API_FUNC_DECL(int,enif_snprintf,(char * buffer, size_t size, const char *format, ...)); ERL_NIF_API_FUNC_DECL(int,enif_select,(ErlNifEnv* env, ErlNifEvent e, enum ErlNifSelectFlags flags, void* obj, const ErlNifPid* pid, ERL_NIF_TERM ref)); ERL_NIF_API_FUNC_DECL(ErlNifResourceType*,enif_open_resource_type_x,(ErlNifEnv*, const char* name_str, const ErlNifResourceTypeInit*, ErlNifResourceFlags flags, ErlNifResourceFlags* tried)); -ERL_NIF_API_FUNC_DECL(int, enif_monitor_process,(ErlNifEnv*,void* obj,const ErlNifPid*,ErlDrvMonitor *monitor)); -ERL_NIF_API_FUNC_DECL(int, enif_demonitor_process,(ErlNifEnv*,void* obj,const ErlDrvMonitor *monitor)); +ERL_NIF_API_FUNC_DECL(int, enif_monitor_process,(ErlNifEnv*,void* obj,const ErlNifPid*,ErlNifMonitor *monitor)); +ERL_NIF_API_FUNC_DECL(int, enif_demonitor_process,(ErlNifEnv*,void* obj,const ErlNifMonitor *monitor)); ERL_NIF_API_FUNC_DECL(int, enif_compare_monitors,(const ErlNifMonitor*,const ErlNifMonitor*)); ERL_NIF_API_FUNC_DECL(ErlNifUInt64,enif_hash,(ErlNifHash type, ERL_NIF_TERM term, ErlNifUInt64 salt)); diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h index 206078903d..5c947ad1c0 100644 --- a/erts/emulator/beam/erl_port.h +++ b/erts/emulator/beam/erl_port.h @@ -988,16 +988,6 @@ typedef enum { ERTS_PORT_OP_DONE } ErtsPortOpResult; -ErtsPortOpResult -erts_schedule_proc2port_signal(Process *, - Port *, - Eterm, - Eterm *, - ErtsProc2PortSigData *, - int, - ErtsPortTaskHandle *, - ErtsProc2PortSigCallback); - int erts_deliver_port_exit(Port *, Eterm, Eterm, int, int); /* diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index 4836b9e2d3..55526e1d5e 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -2161,13 +2161,6 @@ begin_port_cleanup(Port *pp, ErtsPortTask **execqp, int *processing_busy_q_p) #endif } -int -erts_port_is_scheduled(Port *pp) -{ - erts_aint32_t flags = erts_smp_atomic32_read_acqb(&pp->sched.flags); - return (flags & (ERTS_PTS_FLG_IN_RUNQ|ERTS_PTS_FLG_EXEC)) != 0; -} - #ifdef ERTS_SMP void diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h index e3550e878e..ab536c6f27 100644 --- a/erts/emulator/beam/erl_port_task.h +++ b/erts/emulator/beam/erl_port_task.h @@ -189,11 +189,13 @@ erts_port_task_init_sched(ErtsPortTaskSched *ptsp, Eterm instr_id) erts_smp_atomic32_init_nob(&ptsp->flags, 0); #ifdef ERTS_SMP #ifdef ERTS_ENABLE_LOCK_COUNT - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK)) - lock_str = NULL; -#endif + erts_mtx_init_x_opt(&ptsp->mtx, lock_str, instr_id, + ((erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK) + ? 0 : ERTS_LCNT_LT_DISABLE)); +#else erts_mtx_init_x(&ptsp->mtx, lock_str, instr_id); #endif +#endif } ERTS_GLB_INLINE void @@ -265,7 +267,6 @@ int erts_port_task_schedule(Eterm, ErtsPortTaskType, ...); void erts_port_task_free_port(Port *); -int erts_port_is_scheduled(Port *); ErtsProc2PortSigData *erts_port_task_alloc_p2p_sig_data(void); ErtsProc2PortSigData *erts_port_task_alloc_p2p_sig_data_extra(size_t extra, void **extra_ptr); void erts_port_task_free_p2p_sig_data(ErtsProc2PortSigData *sigdp); diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index a56ef4aedb..da27c7e7c6 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -1538,12 +1538,6 @@ proclist_destroy(ErtsProcList *plp) } ErtsProcList * -erts_proclist_copy(ErtsProcList *plp) -{ - return proclist_copy(plp); -} - -ErtsProcList * erts_proclist_create(Process *p) { return proclist_create(p); @@ -3275,13 +3269,6 @@ thr_prgr_fin_wait(void *vssi) static void init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp); -void -erts_interupt_aux_thread_timed(ErtsMonotonicTime timeout_time) -{ - /* TODO only poke when needed (based on timeout_time) */ - erts_sched_poke(ERTS_SCHED_SLEEP_INFO_IX(-1)); -} - static void * aux_thread(void *unused) { @@ -9316,17 +9303,6 @@ erts_pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, } /* - * Like erts_pid2proc_not_running(), but hands over the process - * in a suspended state unless (c_p is looked up). - */ -Process * -erts_pid2proc_suspend(Process *c_p, ErtsProcLocks c_p_locks, - Eterm pid, ErtsProcLocks pid_locks) -{ - return pid2proc_not_running(c_p, c_p_locks, pid, pid_locks, 1); -} - -/* * erts_pid2proc_nropt() is normally the same as * erts_pid2proc_not_running(). However it is only * to be used when 'not running' is a pure optimization, @@ -9444,21 +9420,6 @@ handle_pend_bif_async_suspend(Process *suspendee, } } -#else - -/* - * Non-smp version of erts_pid2proc_suspend(). - */ -Process * -erts_pid2proc_suspend(Process *c_p, ErtsProcLocks c_p_locks, - Eterm pid, ErtsProcLocks pid_locks) -{ - Process *rp = erts_pid2proc(c_p, c_p_locks, pid, pid_locks); - if (rp) - erts_suspend(rp, pid_locks, NULL); - return rp; -} - #endif /* ERTS_SMP */ /* diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 6113c8aa05..2b169bb9ce 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1606,7 +1606,6 @@ Uint64 erts_ensure_later_proc_interval(Uint64); Uint64 erts_step_proc_interval(void); ErtsProcList *erts_proclist_create(Process *); -ErtsProcList *erts_proclist_copy(ErtsProcList *); void erts_proclist_destroy(ErtsProcList *); ERTS_GLB_INLINE int erts_proclist_same(ErtsProcList *, Process *); @@ -2556,10 +2555,6 @@ ERTS_TIME2REDS_IMPL__(ErtsMonotonicTime start, ErtsMonotonicTime end) } #endif -Process *erts_pid2proc_suspend(Process *, - ErtsProcLocks, - Eterm, - ErtsProcLocks); #ifdef ERTS_SMP Process *erts_pid2proc_not_running(Process *, @@ -2601,8 +2596,6 @@ extern int erts_disable_proc_not_running_opt; void erts_smp_notify_inc_runq(ErtsRunQueue *runq); -void erts_interupt_aux_thread_timed(ErtsMonotonicTime timeout_time); - #ifdef ERTS_SMP void erts_sched_finish_poke(ErtsSchedulerSleepInfo *, erts_aint32_t); ERTS_GLB_INLINE void erts_sched_poke(ErtsSchedulerSleepInfo *ssi); diff --git a/erts/emulator/beam/erl_smp.h b/erts/emulator/beam/erl_smp.h index 14be511f86..55ba943bdd 100644 --- a/erts/emulator/beam/erl_smp.h +++ b/erts/emulator/beam/erl_smp.h @@ -1073,7 +1073,7 @@ ERTS_GLB_INLINE void erts_smp_mtx_init_locked_x(erts_smp_mtx_t *mtx, char *name, Eterm extra) { #ifdef ERTS_SMP - erts_mtx_init_locked_x(mtx, name, extra); + erts_mtx_init_locked_x_opt(mtx, name, extra, 0); #endif } diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h index 9e75f6fee5..28ff5d3a42 100644 --- a/erts/emulator/beam/erl_threads.h +++ b/erts/emulator/beam/erl_threads.h @@ -481,7 +481,7 @@ ERTS_GLB_INLINE int erts_thr_getname(erts_tid_t tid, char *buf, size_t len); ERTS_GLB_INLINE int erts_equal_tids(erts_tid_t x, erts_tid_t y); ERTS_GLB_INLINE void erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra); ERTS_GLB_INLINE void erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt); -ERTS_GLB_INLINE void erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, Eterm extra); +ERTS_GLB_INLINE void erts_mtx_init_locked_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt); ERTS_GLB_INLINE void erts_mtx_init(erts_mtx_t *mtx, char *name); ERTS_GLB_INLINE void erts_mtx_init_locked(erts_mtx_t *mtx, char *name); ERTS_GLB_INLINE void erts_mtx_destroy(erts_mtx_t *mtx); @@ -2192,7 +2192,7 @@ erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt) ERTS_GLB_INLINE void -erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, Eterm extra) +erts_mtx_init_locked_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt) { #ifdef USE_THREADS int res = ethr_mutex_init(&mtx->mtx); @@ -2202,7 +2202,7 @@ erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, Eterm extra) erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra); #endif #ifdef ERTS_ENABLE_LOCK_COUNT - erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra); + erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX | opt, extra); #endif ethr_mutex_lock(&mtx->mtx); #ifdef ERTS_ENABLE_LOCK_CHECK diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index e3be6a5a22..fc95535ec3 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -1132,7 +1132,6 @@ extern erts_tid_t erts_main_thread; #endif extern int erts_compat_rel; extern int erts_use_sender_punish; -void erts_short_init(void); void erl_start(int, char**); void erts_usage(void); Eterm erts_preloaded(Process* p); @@ -1439,7 +1438,6 @@ do { \ #define MatchSetGetSource(MPSP) erts_match_set_get_source(MPSP) extern Binary *erts_match_set_compile(Process *p, Eterm matchexpr, Eterm MFA); -Eterm erts_match_set_lint(Process *p, Eterm matchexpr); extern void erts_match_set_release_result(Process* p); ERTS_GLB_INLINE void erts_match_set_release_result_trace(Process* p, Eterm); diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index bf89740fda..d25e53ada0 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -260,10 +260,12 @@ static ERTS_INLINE void port_init_instr(Port *prt if (!prt->drv_ptr->lock) { char *lock_str = "port_lock"; #ifdef ERTS_ENABLE_LOCK_COUNT - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK)) - lock_str = NULL; + Uint16 opt = ((erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK) + ? 0 : ERTS_LCNT_LT_DISABLE); +#else + Uint16 opt = 0; #endif - erts_mtx_init_locked_x(prt->lock, lock_str, id); + erts_mtx_init_locked_x_opt(prt->lock, lock_str, id, opt); } #endif erts_port_task_init_sched(&prt->sched, id); @@ -1509,7 +1511,7 @@ port_sched_op_reply(Eterm to, Uint32 *ref_num, Eterm msg, Port* prt) } -ErtsPortOpResult +static ErtsPortOpResult erts_schedule_proc2port_signal(Process *c_p, Port *prt, Eterm caller, diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index f73c4ef1ca..70520eea15 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -184,17 +184,6 @@ static char *plusz_val_switches[] = { #endif #define SMP_SUFFIX ".smp" -#define DEBUG_SUFFIX ".debug" -#define EMU_TYPE_SUFFIX_LENGTH strlen(DEBUG_SUFFIX) - -/* - * Define flags for different memory architectures. - */ -#define EMU_TYPE_SMP 0x0001 - -#ifdef __WIN32__ -#define EMU_TYPE_DEBUG 0x0004 -#endif void usage(const char *switchname); static void usage_format(char *format, ...); @@ -221,7 +210,7 @@ static void *erealloc(void *p, size_t size); static void efree(void *p); static char* strsave(char* string); static int is_one_of_strings(char *str, char *strs[]); -static char *write_str(char *to, char *from); +static char *write_str(char *to, const char *from); static void get_home(void); static void add_epmd_port(void); #ifdef __WIN32__ @@ -255,9 +244,8 @@ static int verbose = 0; /* If non-zero, print some extra information. */ static int start_detached = 0; /* If non-zero, the emulator should be * started detached (in the background). */ -static int emu_type = 0; /* If non-zero, start beam.ARCH or beam.ARCH.exe - * instead of beam or beam.exe, where ARCH is defined by flags. */ -static int emu_type_passed = 0; /* Types explicitly set */ +static int start_smp_emu = 0; /* Start the smp emulator. */ +static const char* emu_type = 0; /* Type of emulator (lcnt, valgrind, etc) */ #ifdef __WIN32__ static char *start_emulator_program = NULL; /* For detachec mode - @@ -352,11 +340,11 @@ free_env_val(char *value) } /* - * Add the architecture suffix to the program name if needed, - * except on Windows, where we insert it just before ".DLL". + * Add the type and architecture suffix to the program name if needed. + * On Windows, we insert it just before ".DLL". */ static char* -add_extra_suffixes(char *prog, int type) +add_extra_suffixes(char *prog) { char *res; char *p; @@ -366,16 +354,10 @@ add_extra_suffixes(char *prog, int type) int dll = 0; #endif - if (!type) { - return prog; - } - len = strlen(prog); - /* Worst-case allocation */ - p = emalloc(len + - EMU_TYPE_SUFFIX_LENGTH + - + 1); + /* Allocate enough extra space for suffixes */ + p = emalloc(len + 100); res = p; p = write_str(p, prog); @@ -392,13 +374,11 @@ add_extra_suffixes(char *prog, int type) } #endif -#ifdef __WIN32__ - if (type & EMU_TYPE_DEBUG) { - p = write_str(p, DEBUG_SUFFIX); - type &= ~(EMU_TYPE_DEBUG); + if (emu_type) { + p = write_str(p, "."); + p = write_str(p, emu_type); } -#endif - if (type == EMU_TYPE_SMP) { + if (start_smp_emu) { p = write_str(p, SMP_SUFFIX); } #ifdef __WIN32__ @@ -489,12 +469,11 @@ int main(int argc, char **argv) cpuinfo = erts_cpu_info_create(); /* '-smp auto' is default */ #ifdef ERTS_HAVE_SMP_EMU - emu_type |= EMU_TYPE_SMP; + start_smp_emu = 1; #endif #if defined(__WIN32__) && defined(WIN32_ALWAYS_DEBUG) - emu_type_passed |= EMU_TYPE_DEBUG; - emu_type |= EMU_TYPE_DEBUG; + emu_type = "debug"; #endif /* We need to do this before the ordinary processing. */ @@ -519,57 +498,42 @@ int main(int argc, char **argv) if (strcmp(argv[i+1], "auto") == 0) { i++; - smp_auto: - emu_type_passed |= EMU_TYPE_SMP; -#if defined(ERTS_HAVE_PLAIN_EMU) && !defined(ERTS_HAVE_SMP_EMU) - emu_type &= ~EMU_TYPE_SMP; -#else - emu_type |= EMU_TYPE_SMP; -#endif - } - else if (strcmp(argv[i+1], "enable") == 0) { + } else if (strcmp(argv[i+1], "enable") == 0) { i++; smp_enable: - emu_type_passed |= EMU_TYPE_SMP; -#ifdef ERTS_HAVE_SMP_EMU - emu_type |= EMU_TYPE_SMP; -#else + ; +#if !defined(ERTS_HAVE_SMP_EMU) usage_notsup("-smp enable", ""); #endif - } - else if (strcmp(argv[i+1], "disable") == 0) { + } else if (strcmp(argv[i+1], "disable") == 0) { i++; smp_disable: - emu_type_passed &= ~EMU_TYPE_SMP; #ifdef ERTS_HAVE_PLAIN_EMU - emu_type &= ~EMU_TYPE_SMP; + start_smp_emu = 0; #else usage_notsup("-smp disable", " Use \"+S 1\" instead."); #endif - } - else { + } else { smp: - - emu_type_passed |= EMU_TYPE_SMP; -#ifdef ERTS_HAVE_SMP_EMU - emu_type |= EMU_TYPE_SMP; -#else + ; +#if !defined(ERTS_HAVE_SMP_EMU) usage_notsup("-smp", ""); #endif } } else if (strcmp(argv[i], "-smpenable") == 0) { goto smp_enable; } else if (strcmp(argv[i], "-smpauto") == 0) { - goto smp_auto; + ; } else if (strcmp(argv[i], "-smpdisable") == 0) { goto smp_disable; -#ifdef __WIN32__ - } else if (strcmp(argv[i], "-debug") == 0) { - emu_type_passed |= EMU_TYPE_DEBUG; - emu_type |= EMU_TYPE_DEBUG; -#endif } else if (strcmp(argv[i], "-extra") == 0) { break; + } else if (strcmp(argv[i], "-emu_type") == 0) { + if (i + 1 >= argc) { + usage(argv[i]); + } + emu_type = argv[i+1]; + i++; } } i++; @@ -582,7 +546,7 @@ int main(int argc, char **argv) if (strcmp(malloc_lib, "libc") != 0) usage("+MYm"); } - emu = add_extra_suffixes(emu, emu_type); + emu = add_extra_suffixes(emu); emu_name = strsave(emu); erts_snprintf(tmpStr, sizeof(tmpStr), "%s" DIRSEP "%s" BINARY_EXT, bindir, emu); emu = strsave(tmpStr); @@ -1176,7 +1140,11 @@ int main(int argc, char **argv) { execv(emu, Eargsp); } - error("Error %d executing \'%s\'.", errno, emu); + if (errno == ENOENT) { + error("The emulator \'%s\' does not exist.", emu); + } else { + error("Error %d executing \'%s\'.", errno, emu); + } return 1; #endif } @@ -1376,7 +1344,7 @@ is_one_of_strings(char *str, char *strs[]) return 0; } -static char *write_str(char *to, char *from) +static char *write_str(char *to, const char *from) { while (*from) *(to++) = *(from++); @@ -1903,6 +1871,7 @@ read_args_file(char *filename) #undef SAVE_CHAR } + typedef struct { char **argv; int argc; diff --git a/erts/etc/unix/Makefile b/erts/etc/unix/Makefile index 2fa9cd047b..17de4d8878 100644 --- a/erts/etc/unix/Makefile +++ b/erts/etc/unix/Makefile @@ -24,7 +24,7 @@ include $(ERL_TOP)/make/target.mk include $(ERL_TOP)/make/$(TARGET)/otp.mk include ../../vsn.mk -opt debug: etc +opt debug lcnt: etc .PHONY: etc etc: etp-commands @@ -44,4 +44,4 @@ clean: include $(ERL_TOP)/make/otp_release_targets.mk .PHONY: release_spec -release_spec: etc
\ No newline at end of file +release_spec: etc diff --git a/erts/start_scripts/Makefile b/erts/start_scripts/Makefile index ae2521474e..047e42170a 100644 --- a/erts/start_scripts/Makefile +++ b/erts/start_scripts/Makefile @@ -68,7 +68,7 @@ include $(LIBPATH)/stdlib/vsn.mk ############################################################################## -debug opt script: rel $(INSTALL_SCRIPTS) $(RELEASES_SRC) +debug opt lcnt script: rel $(INSTALL_SCRIPTS) $(RELEASES_SRC) rel: $(REL_SCRIPTS) diff --git a/lib/common_test/src/ct_run.erl b/lib/common_test/src/ct_run.erl index bbace18a28..ce30babc0d 100644 --- a/lib/common_test/src/ct_run.erl +++ b/lib/common_test/src/ct_run.erl @@ -436,13 +436,17 @@ script_start2(Opts = #opts{vts = undefined, Specs1 = get_start_opt(join_specs, [Specs], Specs, Args), %% using testspec as input for test Relaxed = get_start_opt(allow_user_terms, true, false, Args), - case catch ct_testspec:collect_tests_from_file(Specs1, Relaxed) of - {E,Reason} when E == error ; E == 'EXIT' -> + try ct_testspec:collect_tests_from_file(Specs1, Relaxed) of + TestSpecData -> + execute_all_specs(TestSpecData, Opts, Args, []) + catch + throw:{error,Reason} -> StackTrace = erlang:get_stacktrace(), {error,{invalid_testspec,{Reason,StackTrace}}}; - TestSpecData -> - execute_all_specs(TestSpecData, Opts, Args, []) - end; + _:Reason -> + StackTrace = erlang:get_stacktrace(), + {error,{invalid_testspec,{Reason,StackTrace}}} + end; [] -> {error,no_testspec_specified}; _ -> % no testspec used @@ -1198,12 +1202,16 @@ run_spec_file(Relaxed, end, AbsSpecs = lists:map(fun(SF) -> ?abs(SF) end, Specs1), AbsSpecs1 = get_start_opt(join_specs, [AbsSpecs], AbsSpecs, StartOpts), - case catch ct_testspec:collect_tests_from_file(AbsSpecs1, Relaxed) of - {Error,CTReason} when Error == error ; Error == 'EXIT' -> - StackTrace = erlang:get_stacktrace(), - exit({error,{invalid_testspec,{CTReason,StackTrace}}}); + try ct_testspec:collect_tests_from_file(AbsSpecs1, Relaxed) of TestSpecData -> run_all_specs(TestSpecData, Opts, StartOpts, []) + catch + throw:{error,CTReason} -> + StackTrace = erlang:get_stacktrace(), + exit({error,{invalid_testspec,{CTReason,StackTrace}}}); + _:CTReason -> + StackTrace = erlang:get_stacktrace(), + exit({error,{invalid_testspec,{CTReason,StackTrace}}}) end. run_all_specs([], _, _, TotResult) -> diff --git a/lib/common_test/src/ct_util.erl b/lib/common_test/src/ct_util.erl index 4d3a2ae7e3..802e9be97c 100644 --- a/lib/common_test/src/ct_util.erl +++ b/lib/common_test/src/ct_util.erl @@ -201,14 +201,7 @@ do_start(Parent, Mode, LogDir, Verbosity) -> ok -> Parent ! {self(),started}; {fail,CTHReason} -> - ErrorInfo = if is_atom(CTHReason) -> - io_lib:format("{~p,~p}", - [CTHReason, - erlang:get_stacktrace()]); - true -> - CTHReason - end, - ct_logs:tc_print('Suite Callback',ErrorInfo,[]), + ct_logs:tc_print('Suite Callback',CTHReason,[]), self() ! {{stop,{self(),{user_error,CTHReason}}}, {Parent,make_ref()}} catch diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml index fed68037c1..10164890f2 100644 --- a/lib/compiler/doc/src/compile.xml +++ b/lib/compiler/doc/src/compile.xml @@ -629,6 +629,14 @@ module.beam: module.erl \ <p>Turns off warnings for unused record types. Default is to emit warnings for unused locally defined record types.</p> </item> + + <tag><c>nowarn_get_stacktrace</c></tag> + <item> + <p>Turns off warnings for using <c>get_stacktrace/0</c> in a context + where it will probably not work in a future release. For example, + by default there will be a warning if <c>get_stacktrace/0</c> is + used following a <c>catch</c> expression.</p> + </item> </taglist> <p>Another class of warnings is generated by the compiler diff --git a/lib/compiler/src/erl_bifs.erl b/lib/compiler/src/erl_bifs.erl index 35a12d7010..bafa9d75b7 100644 --- a/lib/compiler/src/erl_bifs.erl +++ b/lib/compiler/src/erl_bifs.erl @@ -81,7 +81,6 @@ is_pure(erlang, float, 1) -> true; is_pure(erlang, float_to_list, 1) -> true; is_pure(erlang, float_to_binary, 1) -> true; is_pure(erlang, floor, 1) -> true; -is_pure(erlang, hash, 2) -> false; is_pure(erlang, hd, 1) -> true; is_pure(erlang, integer_to_binary, 1) -> true; is_pure(erlang, integer_to_list, 1) -> true; @@ -108,14 +107,11 @@ is_pure(erlang, list_to_binary, 1) -> true; is_pure(erlang, list_to_float, 1) -> true; is_pure(erlang, list_to_integer, 1) -> true; is_pure(erlang, list_to_pid, 1) -> true; -is_pure(erlang, list_to_port, 1) -> true; -is_pure(erlang, list_to_ref, 1) -> true; is_pure(erlang, list_to_tuple, 1) -> true; is_pure(erlang, max, 2) -> true; is_pure(erlang, min, 2) -> true; is_pure(erlang, phash, 2) -> false; is_pure(erlang, pid_to_list, 1) -> true; -is_pure(erlang, port_to_list, 1) -> true; is_pure(erlang, round, 1) -> true; is_pure(erlang, setelement, 3) -> true; is_pure(erlang, size, 1) -> true; diff --git a/lib/compiler/test/bs_construct_SUITE.erl b/lib/compiler/test/bs_construct_SUITE.erl index ff18f8b41c..fd97eea4cb 100644 --- a/lib/compiler/test/bs_construct_SUITE.erl +++ b/lib/compiler/test/bs_construct_SUITE.erl @@ -29,7 +29,8 @@ init_per_testcase/2,end_per_testcase/2, two/1,test1/1,fail/1,float_bin/1,in_guard/1,in_catch/1, nasty_literals/1,coerce_to_float/1,side_effect/1, - opt/1,otp_7556/1,float_arith/1,otp_8054/1]). + opt/1,otp_7556/1,float_arith/1,otp_8054/1, + cover/1]). -include_lib("common_test/include/ct.hrl"). @@ -45,7 +46,7 @@ groups() -> [{p,[parallel], [two,test1,fail,float_bin,in_guard,in_catch, nasty_literals,side_effect,opt,otp_7556,float_arith, - otp_8054]}]. + otp_8054,cover]}]. init_per_suite(Config) -> @@ -552,3 +553,19 @@ otp_8054_1([H|T], Bin) -> end, otp_8054_1(T, Bin); otp_8054_1([], Bin) -> Bin. + +-define(LONG_STRING, + "3lz7Q4au2i3DJWNlNhWuzmvA7gYWGXG+LAPtgtlEO2VGSxRqL2WOoHW" + "QxORTQfJw17mNEU8i87UKvEPbo9YY8ppiM7vfaG88TTyfEzgUMTgY3I" + "vsikMBELPz2AayVz5aaMh9PBFTZ4DkBIFxURBUKHho4Vgt7IzYnWNgn" + "3ON5D9VS89TPANK5/PwSUoMQYZ2fk5VLbq7D1ExlnCScvTDnF/WHMQ3" + "m2GUcQWb+ajfOf3bnP7EX4f1Q3d/1Soe6lEpf1KN/5S7A/ugjMhy4+H" + "Zuo1J1J6CCwEVZ/wDc79OpDPPj/qOGhDK73F8DaMcynZ91El+01vfTn" + "uUxNFUHLpuoQ=="). + +cover(Config) -> + %% Cover handling of a huge partially literal string. + L = length(Config), + Bin = id(<<L:32,?LONG_STRING>>), + <<L:32,?LONG_STRING>> = Bin, + ok. diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl index 1d9c7c44fa..f9bcb044ac 100644 --- a/lib/compiler/test/compile_SUITE.erl +++ b/lib/compiler/test/compile_SUITE.erl @@ -35,7 +35,8 @@ cover/1, env/1, core/1, core_roundtrip/1, asm/1, optimized_guards/1, sys_pre_attributes/1, dialyzer/1, - warnings/1, pre_load_check/1, env_compiler_options/1 + warnings/1, pre_load_check/1, env_compiler_options/1, + bc_options/1 ]). suite() -> [{ct_hooks,[ts_install_cth]}]. @@ -52,7 +53,7 @@ all() -> strict_record, utf8_atoms, utf8_functions, extra_chunks, cover, env, core, core_roundtrip, asm, optimized_guards, sys_pre_attributes, dialyzer, warnings, pre_load_check, - env_compiler_options, custom_debug_info]. + env_compiler_options, custom_debug_info, bc_options]. groups() -> []. @@ -1364,6 +1365,47 @@ env_compiler_options(_Config) -> end, lists:foreach(F, Cases). +%% Test options for compatibility with previous major versions of OTP. + +bc_options(Config) -> + DataDir = proplists:get_value(data_dir, Config), + + 101 = highest_opcode(DataDir, small_float, [no_line_info]), + + 103 = highest_opcode(DataDir, big, + [no_record_opt,no_line_info,no_stack_trimming]), + + 125 = highest_opcode(DataDir, small_float, [no_line_info,no_float_opt]), + + 132 = highest_opcode(DataDir, small, + [no_record_opt,no_float_opt,no_line_info]), + + 136 = highest_opcode(DataDir, big, [no_record_opt,no_line_info]), + + 153 = highest_opcode(DataDir, big, [no_record_opt]), + 153 = highest_opcode(DataDir, big, [r16]), + 153 = highest_opcode(DataDir, big, [r17]), + 153 = highest_opcode(DataDir, big, [r18]), + 153 = highest_opcode(DataDir, big, [r19]), + 153 = highest_opcode(DataDir, small_float, [r16]), + 153 = highest_opcode(DataDir, small_float, []), + + 158 = highest_opcode(DataDir, small_maps, [r17]), + 158 = highest_opcode(DataDir, small_maps, [r18]), + 158 = highest_opcode(DataDir, small_maps, [r19]), + 158 = highest_opcode(DataDir, small_maps, []), + + 159 = highest_opcode(DataDir, big, []), + + ok. + +highest_opcode(DataDir, Mod, Opt) -> + Src = filename:join(DataDir, atom_to_list(Mod)++".erl"), + {ok,Mod,Beam} = compile:file(Src, [binary|Opt]), + {ok,{Mod,[{"Code",Code}]}} = beam_lib:chunks(Beam, ["Code"]), + <<16:32,0:32,HighestOpcode:32,_/binary>> = Code, + HighestOpcode. + %%% %%% Utilities. %%% diff --git a/lib/compiler/test/compile_SUITE_data/small_float.erl b/lib/compiler/test/compile_SUITE_data/small_float.erl new file mode 100644 index 0000000000..5cbb5aef83 --- /dev/null +++ b/lib/compiler/test/compile_SUITE_data/small_float.erl @@ -0,0 +1,5 @@ +-module(small_float). +-export([f/1]). + +f(F) when is_float(F) -> + F / 2. diff --git a/lib/compiler/test/compiler.cover b/lib/compiler/test/compiler.cover index 2be079944f..3fd7fc1937 100644 --- a/lib/compiler/test/compiler.cover +++ b/lib/compiler/test/compiler.cover @@ -1,5 +1,5 @@ {incl_app,compiler,details}. %% -*- erlang -*- -{excl_mods,compiler,[core_scan,core_parse,sys_pre_expand]}. +{excl_mods,compiler,[core_scan,core_parse]}. diff --git a/lib/inets/doc/src/http_uri.xml b/lib/inets/doc/src/http_uri.xml index 696b7dfa31..acf0d2163a 100644 --- a/lib/inets/doc/src/http_uri.xml +++ b/lib/inets/doc/src/http_uri.xml @@ -45,6 +45,7 @@ this module:</p> <p><c>boolean() = true | false</c></p> <p><c>string()</c> = list of ASCII characters</p> + <p><c>unicode_binary()</c> = binary() with characters encoded in the UTF-8 coding standard</p> </section> @@ -53,22 +54,22 @@ <p>Type definitions that are related to URI:</p> <taglist> - <tag><c>uri() = string()</c></tag> + <tag><c>uri() = string() | unicode:unicode_binary()</c></tag> <item><p>Syntax according to the URI definition in RFC 3986, for example, "http://www.erlang.org/"</p></item> - <tag><c>user_info() = string()</c></tag> + <tag><c>user_info() = string() | unicode:unicode_binary()</c></tag> <item><p></p></item> <tag><c>scheme() = atom()</c></tag> <item><p>Example: http, https</p></item> - <tag><c>host() = string()</c></tag> + <tag><c>host() = string() | unicode:unicode_binary()</c></tag> <item><p></p></item> <tag><c>port() = pos_integer()</c></tag> <item><p></p></item> - <tag><c>path() = string()</c></tag> + <tag><c>path() = string() | unicode:unicode_binary()</c></tag> <item><p>Represents a file path or directory path</p></item> - <tag><c>query() = string()</c></tag> + <tag><c>query() = string() | unicode:unicode_binary()</c></tag> <item><p></p></item> - <tag><c>fragment() = string()</c></tag> + <tag><c>fragment() = string() | unicode:unicode_binary()</c></tag> <item><p></p></item> </taglist> @@ -83,7 +84,7 @@ <fsummary>Decodes a hexadecimal encoded URI.</fsummary> <type> - <v>HexEncodedURI = string() - A possibly hexadecimal encoded URI</v> + <v>HexEncodedURI = string() | unicode:unicode_binary() - A possibly hexadecimal encoded URI</v> <v>URI = uri()</v> </type> @@ -98,7 +99,7 @@ <fsummary>Encodes a hexadecimal encoded URI.</fsummary> <type> <v>URI = uri()</v> - <v>HexEncodedURI = string() - Hexadecimal encoded URI</v> + <v>HexEncodedURI = string() | unicode:unicode_binary() - Hexadecimal encoded URI</v> </type> <desc> @@ -145,7 +146,7 @@ <p>Scheme validation fun is to be defined as follows:</p> <code> -fun(SchemeStr :: string()) -> +fun(SchemeStr :: string() | unicode:unicode_binary()) -> valid | {error, Reason :: term()}. </code> diff --git a/lib/inets/doc/src/httpc.xml b/lib/inets/doc/src/httpc.xml index 4217b3c4fb..46484977c9 100644 --- a/lib/inets/doc/src/httpc.xml +++ b/lib/inets/doc/src/httpc.xml @@ -344,7 +344,7 @@ <tag><c><![CDATA[ssl]]></c></tag> <item> <p>This is the <c>SSL/TLS</c> connectin configuration option.</p> - <p>Defaults to <c>[]</c>. See <seealso marker="ssl:ssl">ssl:connect/[2, 3,4]</seealso> for availble options.</p> + <p>Defaults to <c>[]</c>. See <seealso marker="ssl:ssl">ssl:connect/[2,3,4]</seealso> for available options.</p> </item> <tag><c><![CDATA[autoredirect]]></c></tag> diff --git a/lib/inets/doc/src/notes.xml b/lib/inets/doc/src/notes.xml index 8e314a000f..1fad94fac1 100644 --- a/lib/inets/doc/src/notes.xml +++ b/lib/inets/doc/src/notes.xml @@ -33,7 +33,23 @@ <file>notes.xml</file> </header> - <section><title>Inets 6.3.8</title> + <section><title>Inets 6.3.9</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + The close of a chunked file reception crashed in a + certain timing sequence.</p> + <p> + Own Id: OTP-14391 Aux Id: seq13306 </p> + </item> + </list> + </section> + +</section> + +<section><title>Inets 6.3.8</title> <section><title>Improvements and New Features</title> <list> diff --git a/lib/inets/src/ftp/ftp.erl b/lib/inets/src/ftp/ftp.erl index 2a225e930e..e0430654eb 100644 --- a/lib/inets/src/ftp/ftp.erl +++ b/lib/inets/src/ftp/ftp.erl @@ -100,6 +100,12 @@ ftp_extension = ?FTP_EXT_DEFAULT }). +-record(recv_chunk_closing, { + dconn_closed = false, + pos_compl_received = false, + client_called_us = false + }). + -type shortage_reason() :: 'etnospc' | 'epnospc'. -type restriction_reason() :: 'epath' | 'efnamena' | 'elogin' | 'enotbinary'. @@ -1343,6 +1349,25 @@ handle_call({_,{recv_chunk_start, RemoteFile}}, From, #state{chunk = false} handle_call({_, recv_chunk}, _, #state{chunk = false} = State) -> {reply, {error, "ftp:recv_chunk_start/2 not called"}, State}; +handle_call({_, recv_chunk}, _From, #state{chunk = true, + caller = #recv_chunk_closing{dconn_closed = true, + pos_compl_received = true + } + } = State0) -> + %% The ftp:recv_chunk call was the last event we waited for, finnish and clean up + ?DBG("recv_chunk_closing ftp:recv_chunk, last event",[]), + activate_ctrl_connection(State0), + {reply, ok, State0#state{caller = undefined, + chunk = false, + client = undefined}}; + +handle_call({_, recv_chunk}, From, #state{chunk = true, + caller = #recv_chunk_closing{} = R + } = State) -> + %% Waiting for more, don't care what + ?DBG("recv_chunk_closing ftp:recv_chunk, get more",[]), + {noreply, State#state{client = From, caller = R#recv_chunk_closing{client_called_us=true}}}; + handle_call({_, recv_chunk}, From, #state{chunk = true} = State0) -> State = activate_data_connection(State0), {noreply, State#state{client = From, caller = recv_chunk}}; @@ -1480,19 +1505,24 @@ handle_info({Cls, Socket}, #state{dsock = {Trpt,Socket}, file_close(Fd), progress_report({transfer_size, 0}, State), activate_ctrl_connection(State), + ?DBG("Data channel close",[]), {noreply, State#state{dsock = undefined, data = <<>>}}; handle_info({Cls, Socket}, #state{dsock = {Trpt,Socket}, + client = Client, caller = recv_chunk} = State) when {Cls,Trpt}=={tcp_closed,tcp} ; {Cls,Trpt}=={ssl_closed,ssl} -> + ?DBG("Data channel close recv_chunk",[]), activate_ctrl_connection(State), - {noreply, State#state{dsock = undefined, data = <<>>, - caller = recv_chunk_closed + {noreply, State#state{dsock = undefined, + caller = #recv_chunk_closing{dconn_closed = true, + client_called_us = Client =/= undefined} }}; handle_info({Cls, Socket}, #state{dsock = {Trpt,Socket}, caller = recv_bin, data = Data} = State) when {Cls,Trpt}=={tcp_closed,tcp} ; {Cls,Trpt}=={ssl_closed,ssl} -> + ?DBG("Data channel close",[]), activate_ctrl_connection(State), {noreply, State#state{dsock = undefined, data = <<>>, caller = {recv_bin, Data}}}; @@ -1500,6 +1530,7 @@ handle_info({Cls, Socket}, #state{dsock = {Trpt,Socket}, caller = recv_bin, handle_info({Cls, Socket}, #state{dsock = {Trpt,Socket}, data = Data, caller = {handle_dir_result, Dir}} = State) when {Cls,Trpt}=={tcp_closed,tcp} ; {Cls,Trpt}=={ssl_closed,ssl} -> + ?DBG("Data channel close",[]), activate_ctrl_connection(State), {noreply, State#state{dsock = undefined, caller = {handle_dir_result, Dir, Data}, @@ -2047,14 +2078,28 @@ handle_ctrl_result({pos_prel, _}, #state{client = From, %%-------------------------------------------------------------------------- %% File handling - chunk_transfer complete + handle_ctrl_result({pos_compl, _}, #state{client = From, - caller = recv_chunk_closed} - = State0) -> + caller = #recv_chunk_closing{dconn_closed = true, + client_called_us = true, + pos_compl_received = false + }} + = State0) when From =/= undefined -> + %% The pos_compl was the last event we waited for, finnish and clean up + ?DBG("recv_chunk_closing pos_compl, last event",[]), gen_server:reply(From, ok), + activate_ctrl_connection(State0), {noreply, State0#state{caller = undefined, chunk = false, client = undefined}}; +handle_ctrl_result({pos_compl, _}, #state{caller = #recv_chunk_closing{}=R} + = State0) -> + %% Waiting for more, don't care what + ?DBG("recv_chunk_closing pos_compl, wait more",[]), + {noreply, State0#state{caller = R#recv_chunk_closing{pos_compl_received=true}}}; + + %%-------------------------------------------------------------------------- %% File handling - recv_file handle_ctrl_result({pos_prel, _}, #state{caller = {recv_file, _}} = State0) -> diff --git a/lib/inets/src/http_lib/http_uri.erl b/lib/inets/src/http_lib/http_uri.erl index cb3e107ccf..4568d165e7 100644 --- a/lib/inets/src/http_lib/http_uri.erl +++ b/lib/inets/src/http_lib/http_uri.erl @@ -102,16 +102,23 @@ parse(AbsURI, Opts) -> reserved() -> sets:from_list([$;, $:, $@, $&, $=, $+, $,, $/, $?, - $#, $[, $], $<, $>, $\", ${, $}, $|, + $#, $[, $], $<, $>, $\", ${, $}, $|, %" $\\, $', $^, $%, $ ]). -encode(URI) -> +encode(URI) when is_list(URI) -> Reserved = reserved(), - lists:append([uri_encode(Char, Reserved) || Char <- URI]). + lists:append([uri_encode(Char, Reserved) || Char <- URI]); +encode(URI) when is_binary(URI) -> + Reserved = reserved(), + << <<(uri_encode_binary(Char, Reserved))/binary>> || <<Char>> <= URI >>. -decode(String) -> - do_decode(String). +decode(String) when is_list(String) -> + do_decode(String); +decode(String) when is_binary(String) -> + do_decode_binary(String). +do_decode([$+|Rest]) -> + [$ |do_decode(Rest)]; do_decode([$%,Hex1,Hex2|Rest]) -> [hex2dec(Hex1)*16+hex2dec(Hex2)|do_decode(Rest)]; do_decode([First|Rest]) -> @@ -119,6 +126,14 @@ do_decode([First|Rest]) -> do_decode([]) -> []. +do_decode_binary(<<$+, Rest/bits>>) -> + <<$ , (do_decode_binary(Rest))/binary>>; +do_decode_binary(<<$%, Hex:2/binary, Rest/bits>>) -> + <<(binary_to_integer(Hex, 16)), (do_decode_binary(Rest))/binary>>; +do_decode_binary(<<First:1/binary, Rest/bits>>) -> + <<First/binary, (do_decode_binary(Rest))/binary>>; +do_decode_binary(<<>>) -> + <<>>. %%%======================================================================== %%% Internal functions @@ -162,9 +177,30 @@ extract_scheme(Str, Opts) -> {error, Error} end; _ -> - {ok, list_to_atom(http_util:to_lower(Str))} + {ok, to_atom(http_util:to_lower(Str))} end. +to_atom(S) when is_list(S) -> + list_to_atom(S); +to_atom(S) when is_binary(S) -> + binary_to_atom(S, unicode). + +parse_uri_rest(Scheme, DefaultPort, <<"//", URIPart/binary>>, Opts) -> + {Authority, PathQueryFragment} = + split_uri(URIPart, "[/?#]", {URIPart, <<"">>}, 1, 0), + {RawPath, QueryFragment} = + split_uri(PathQueryFragment, "[?#]", {PathQueryFragment, <<"">>}, 1, 0), + {Query, Fragment} = + split_uri(QueryFragment, "#", {QueryFragment, <<"">>}, 1, 0), + {UserInfo, HostPort} = split_uri(Authority, "@", {<<"">>, Authority}, 1, 1), + {Host, Port} = parse_host_port(Scheme, DefaultPort, HostPort, Opts), + Path = path(RawPath), + case lists:keyfind(fragment, 1, Opts) of + {fragment, true} -> + {ok, {Scheme, UserInfo, Host, Port, Path, Query, Fragment}}; + _ -> + {ok, {Scheme, UserInfo, Host, Port, Path, Query}} + end; parse_uri_rest(Scheme, DefaultPort, "//" ++ URIPart, Opts) -> {Authority, PathQueryFragment} = split_uri(URIPart, "[/?#]", {URIPart, ""}, 1, 0), @@ -185,6 +221,11 @@ parse_uri_rest(Scheme, DefaultPort, "//" ++ URIPart, Opts) -> %% In this version of the function, we no longer need %% the Scheme argument, but just in case... +parse_host_port(_Scheme, DefaultPort, <<"[", HostPort/binary>>, Opts) -> %ipv6 + {Host, ColonPort} = split_uri(HostPort, "\\]", {HostPort, <<"">>}, 1, 1), + Host2 = maybe_ipv6_host_with_brackets(Host, Opts), + {_, Port} = split_uri(ColonPort, ":", {<<"">>, DefaultPort}, 0, 1), + {Host2, int_port(Port)}; parse_host_port(_Scheme, DefaultPort, "[" ++ HostPort, Opts) -> %ipv6 {Host, ColonPort} = split_uri(HostPort, "\\]", {HostPort, ""}, 1, 1), Host2 = maybe_ipv6_host_with_brackets(Host, Opts), @@ -198,12 +239,19 @@ parse_host_port(_Scheme, DefaultPort, HostPort, _Opts) -> split_uri(UriPart, SplitChar, NoMatchResult, SkipLeft, SkipRight) -> case re:run(UriPart, SplitChar, [{capture, first}]) of {match, [{Match, _}]} -> - {string:substr(UriPart, 1, Match + 1 - SkipLeft), - string:substr(UriPart, Match + 1 + SkipRight, length(UriPart))}; + {string:slice(UriPart, 0, Match + 1 - SkipLeft), + string:slice(UriPart, Match + SkipRight, string:length(UriPart))}; nomatch -> NoMatchResult end. +maybe_ipv6_host_with_brackets(Host, Opts) when is_binary(Host) -> + case lists:keysearch(ipv6_host_with_brackets, 1, Opts) of + {value, {ipv6_host_with_brackets, true}} -> + <<"[", Host/binary, "]">>; + _ -> + Host + end; maybe_ipv6_host_with_brackets(Host, Opts) -> case lists:keysearch(ipv6_host_with_brackets, 1, Opts) of {value, {ipv6_host_with_brackets, true}} -> @@ -212,15 +260,18 @@ maybe_ipv6_host_with_brackets(Host, Opts) -> Host end. - int_port(Port) when is_integer(Port) -> Port; +int_port(Port) when is_binary(Port) -> + binary_to_integer(Port); int_port(Port) when is_list(Port) -> list_to_integer(Port); %% This is the case where no port was found and there was no default port int_port(no_default_port) -> throw({error, no_default_port}). +path(<<"">>) -> + <<"/">>; path("") -> "/"; path(Path) -> @@ -234,6 +285,14 @@ uri_encode(Char, Reserved) -> [Char] end. +uri_encode_binary(Char, Reserved) -> + case sets:is_element(Char, Reserved) of + true -> + << $%, (integer_to_binary(Char, 16))/binary >>; + false -> + <<Char>> + end. + hex2dec(X) when (X>=$0) andalso (X=<$9) -> X-$0; hex2dec(X) when (X>=$A) andalso (X=<$F) -> X-$A+10; hex2dec(X) when (X>=$a) andalso (X=<$f) -> X-$a+10. diff --git a/lib/inets/src/http_lib/http_util.erl b/lib/inets/src/http_lib/http_util.erl index 20c342dd66..78b0aa2885 100644 --- a/lib/inets/src/http_lib/http_util.erl +++ b/lib/inets/src/http_lib/http_util.erl @@ -35,10 +35,10 @@ %%% Internal application API %%%========================================================================= to_upper(Str) -> - string:to_upper(Str). + string:uppercase(Str). to_lower(Str) -> - string:to_lower(Str). + string:lowercase(Str). %% Example: Mon, 09-Dec-2002 13:46:00 GMT convert_netscapecookie_date([_D,_A,_Y, $,, $ , diff --git a/lib/inets/test/ftp_SUITE.erl b/lib/inets/test/ftp_SUITE.erl index de4456551d..3dfec01ba2 100644 --- a/lib/inets/test/ftp_SUITE.erl +++ b/lib/inets/test/ftp_SUITE.erl @@ -97,6 +97,7 @@ ftp_tests()-> recv_bin_twice, recv_chunk, recv_chunk_twice, + recv_chunk_three_times, type, quote, error_elogin, @@ -639,13 +640,57 @@ recv_chunk_twice(Config0) -> find_diff(ReceivedContents1, Contents1), find_diff(ReceivedContents2, Contents2). +recv_chunk_three_times() -> + [{doc, "Receive two files using chunk-wise."}, + {timetrap,{seconds,120}}]. +recv_chunk_three_times(Config0) -> + File1 = "big_file1.txt", + File2 = "big_file2.txt", + File3 = "big_file3.txt", + Contents1 = list_to_binary( lists:duplicate(1000, lists:seq(0,255)) ), + Contents2 = crypto:strong_rand_bytes(1200), + Contents3 = list_to_binary( lists:duplicate(1000, lists:seq(255,0,-1)) ), + + Config = set_state([reset, {mkfile,File1,Contents1}, {mkfile,File2,Contents2}, {mkfile,File3,Contents3}], Config0), + Pid = proplists:get_value(ftp, Config), + {{error, "ftp:recv_chunk_start/2 not called"},_} = recv_chunk(Pid, <<>>), + + ok = ftp:recv_chunk_start(Pid, id2ftp(File1,Config)), + {ok, ReceivedContents1, Nchunks1} = recv_chunk(Pid, <<>>), + + ok = ftp:recv_chunk_start(Pid, id2ftp(File2,Config)), + {ok, ReceivedContents2, _Nchunks2} = recv_chunk(Pid, <<>>), + + ok = ftp:recv_chunk_start(Pid, id2ftp(File3,Config)), + {ok, ReceivedContents3, _Nchunks3} = recv_chunk(Pid, <<>>, 10000, 0, Nchunks1), + + find_diff(ReceivedContents1, Contents1), + find_diff(ReceivedContents2, Contents2), + find_diff(ReceivedContents3, Contents3). + + + recv_chunk(Pid, Acc) -> - recv_chunk(Pid, Acc, 0). + recv_chunk(Pid, Acc, 0, 0, undefined). + + + +%% ExpectNchunks :: integer() | undefined +recv_chunk(Pid, Acc, DelayMilliSec, N, ExpectNchunks) when N+1 < ExpectNchunks -> + %% for all I in integer(), I < undefined + recv_chunk1(Pid, Acc, DelayMilliSec, N, ExpectNchunks); + +recv_chunk(Pid, Acc, DelayMilliSec, N, ExpectNchunks) -> + %% N >= ExpectNchunks-1 + timer:sleep(DelayMilliSec), + recv_chunk1(Pid, Acc, DelayMilliSec, N, ExpectNchunks). + -recv_chunk(Pid, Acc, N) -> +recv_chunk1(Pid, Acc, DelayMilliSec, N, ExpectNchunks) -> + ct:log("Call ftp:recv_chunk",[]), case ftp:recv_chunk(Pid) of ok -> {ok, Acc, N}; - {ok, Bin} -> recv_chunk(Pid, <<Acc/binary, Bin/binary>>, N+1); + {ok, Bin} -> recv_chunk(Pid, <<Acc/binary, Bin/binary>>, DelayMilliSec, N+1, ExpectNchunks); Error -> {Error, N} end. diff --git a/lib/inets/test/uri_SUITE.erl b/lib/inets/test/uri_SUITE.erl index b26c645821..d055af59e3 100644 --- a/lib/inets/test/uri_SUITE.erl +++ b/lib/inets/test/uri_SUITE.erl @@ -25,6 +25,7 @@ -module(uri_SUITE). +-include_lib("eunit/include/eunit.hrl"). -include_lib("common_test/include/ct.hrl"). -include("inets_test_lib.hrl"). @@ -50,7 +51,8 @@ all() -> fragments, escaped, hexed_query, - scheme_validation + scheme_validation, + encode_decode ]. %%-------------------------------------------------------------------- @@ -73,7 +75,10 @@ end_per_testcase(_Case, _Config) -> ipv4(Config) when is_list(Config) -> {ok, {http,[],"127.0.0.1",80,"/foobar.html",[]}} = - http_uri:parse("http://127.0.0.1/foobar.html"). + http_uri:parse("http://127.0.0.1/foobar.html"), + + {ok, {http,<<>>,<<"127.0.0.1">>,80,<<"/foobar.html">>,<<>>}} = + http_uri:parse(<<"http://127.0.0.1/foobar.html">>). ipv6(Config) when is_list(Config) -> {ok, {http,[],"2010:836B:4179::836B:4179",80,"/foobar.html",[]}} = @@ -89,24 +94,52 @@ ipv6(Config) when is_list(Config) -> [{foo, false}]), {error, {malformed_url, _, "http://2010:836B:4179::836B:4179/foobar.html"}} = - http_uri:parse("http://2010:836B:4179::836B:4179/foobar.html"). + http_uri:parse("http://2010:836B:4179::836B:4179/foobar.html"), + + {ok, {http,<<>>,<<"2010:836B:4179::836B:4179">>,80,<<"/foobar.html">>,<<>>}} = + http_uri:parse(<<"http://[2010:836B:4179::836B:4179]/foobar.html">>), + {ok, {http,<<>>,<<"[2010:836B:4179::836B:4179]">>,80,<<"/foobar.html">>,<<>>}} = + http_uri:parse(<<"http://[2010:836B:4179::836B:4179]/foobar.html">>, + [{ipv6_host_with_brackets, true}]), + {ok, {http,<<>>,<<"2010:836B:4179::836B:4179">>,80,<<"/foobar.html">>,<<>>}} = + http_uri:parse(<<"http://[2010:836B:4179::836B:4179]/foobar.html">>, + [{ipv6_host_with_brackets, false}]), + {ok, {http,<<>>,<<"2010:836B:4179::836B:4179">>,80,<<"/foobar.html">>,<<>>}} = + http_uri:parse(<<"http://[2010:836B:4179::836B:4179]/foobar.html">>, + [{foo, false}]), + {error, + {malformed_url, _, <<"http://2010:836B:4179::836B:4179/foobar.html">>}} = + http_uri:parse(<<"http://2010:836B:4179::836B:4179/foobar.html">>). host(Config) when is_list(Config) -> {ok, {http,[],"localhost",8888,"/foobar.html",[]}} = - http_uri:parse("http://localhost:8888/foobar.html"). + http_uri:parse("http://localhost:8888/foobar.html"), + + {ok, {http,<<>>,<<"localhost">>,8888,<<"/foobar.html">>,<<>>}} = + http_uri:parse(<<"http://localhost:8888/foobar.html">>). userinfo(Config) when is_list(Config) -> {ok, {http,"nisse:foobar","localhost",8888,"/foobar.html",[]}} = - http_uri:parse("http://nisse:foobar@localhost:8888/foobar.html"). + http_uri:parse("http://nisse:foobar@localhost:8888/foobar.html"), + + {ok, {http,<<"nisse:foobar">>,<<"localhost">>,8888,<<"/foobar.html">>,<<>>}} = + http_uri:parse(<<"http://nisse:foobar@localhost:8888/foobar.html">>). scheme(Config) when is_list(Config) -> {error, no_scheme} = http_uri:parse("localhost/foobar.html"), {error, {malformed_url, _, _}} = - http_uri:parse("localhost:8888/foobar.html"). + http_uri:parse("localhost:8888/foobar.html"), + + {error, no_scheme} = http_uri:parse(<<"localhost/foobar.html">>), + {error, {malformed_url, _, _}} = + http_uri:parse(<<"localhost:8888/foobar.html">>). queries(Config) when is_list(Config) -> {ok, {http,[],"localhost",8888,"/foobar.html","?foo=bar&foobar=42"}} = - http_uri:parse("http://localhost:8888/foobar.html?foo=bar&foobar=42"). + http_uri:parse("http://localhost:8888/foobar.html?foo=bar&foobar=42"), + + {ok, {http,<<>>,<<"localhost">>,8888,<<"/foobar.html">>,<<"?foo=bar&foobar=42">>}} = + http_uri:parse(<<"http://localhost:8888/foobar.html?foo=bar&foobar=42">>). fragments(Config) when is_list(Config) -> {ok, {http,[],"localhost",80,"/",""}} = @@ -142,6 +175,41 @@ fragments(Config) when is_list(Config) -> http_uri:parse("http://localhost?query#", [{fragment,true}]), {ok, {http,[],"localhost",80,"/path","?query","#"}} = http_uri:parse("http://localhost/path?query#", [{fragment,true}]), + + + {ok, {http,<<>>,<<"localhost">>,80,<<"/">>,<<"">>}} = + http_uri:parse(<<"http://localhost#fragment">>), + {ok, {http,<<>>,<<"localhost">>,80,<<"/path">>,<<"">>}} = + http_uri:parse(<<"http://localhost/path#fragment">>), + {ok, {http,<<>>,<<"localhost">>,80,<<"/">>,<<"?query">>}} = + http_uri:parse(<<"http://localhost?query#fragment">>), + {ok, {http,<<>>,<<"localhost">>,80,<<"/path">>,<<"?query">>}} = + http_uri:parse(<<"http://localhost/path?query#fragment">>), + {ok, {http,<<>>,<<"localhost">>,80,<<"/">>,<<"">>,<<"#fragment">>}} = + http_uri:parse(<<"http://localhost#fragment">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/path">>,<<"">>,<<"#fragment">>}} = + http_uri:parse(<<"http://localhost/path#fragment">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/">>,<<"?query">>,<<"#fragment">>}} = + http_uri:parse(<<"http://localhost?query#fragment">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/path">>,<<"?query">>,<<"#fragment">>}} = + http_uri:parse(<<"http://localhost/path?query#fragment">>, + [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/">>,<<"">>,<<"">>}} = + http_uri:parse(<<"http://localhost">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/path">>,<<"">>,<<"">>}} = + http_uri:parse(<<"http://localhost/path">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/">>,<<"?query">>,<<"">>}} = + http_uri:parse(<<"http://localhost?query">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/path">>,<<"?query">>,<<"">>}} = + http_uri:parse(<<"http://localhost/path?query">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/">>,<<"">>,<<"#">>}} = + http_uri:parse(<<"http://localhost#">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/path">>,<<"">>,<<"#">>}} = + http_uri:parse(<<"http://localhost/path#">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/">>,<<"?query">>,<<"#">>}} = + http_uri:parse(<<"http://localhost?query#">>, [{fragment,true}]), + {ok, {http,<<>>,<<"localhost">>,80,<<"/path">>,<<"?query">>,<<"#">>}} = + http_uri:parse(<<"http://localhost/path?query#">>, [{fragment,true}]), ok. escaped(Config) when is_list(Config) -> @@ -152,7 +220,16 @@ escaped(Config) when is_list(Config) -> {ok, {http,[],"www.somedomain.com",80,"/%25abc",[]}} = http_uri:parse("http://www.somedomain.com/%25abc"), {ok, {http,[],"www.somedomain.com",80,"/%25abc", "?foo=bar"}} = - http_uri:parse("http://www.somedomain.com/%25abc?foo=bar"). + http_uri:parse("http://www.somedomain.com/%25abc?foo=bar"), + + {ok, {http,<<>>,<<"www.somedomain.com">>,80,<<"/%2Eabc">>,<<>>}} = + http_uri:parse(<<"http://www.somedomain.com/%2Eabc">>), + {ok, {http,<<>>,<<"www.somedomain.com">>,80,<<"/%252Eabc">>,<<>>}} = + http_uri:parse(<<"http://www.somedomain.com/%252Eabc">>), + {ok, {http,<<>>,<<"www.somedomain.com">>,80,<<"/%25abc">>,<<>>}} = + http_uri:parse(<<"http://www.somedomain.com/%25abc">>), + {ok, {http,<<>>,<<"www.somedomain.com">>,80,<<"/%25abc">>, <<"?foo=bar">>}} = + http_uri:parse(<<"http://www.somedomain.com/%25abc?foo=bar">>). hexed_query(doc) -> [{doc, "Solves OTP-6191"}]; @@ -196,6 +273,17 @@ scheme_validation(Config) when is_list(Config) -> http_uri:parse("https://localhost#fragment", [{scheme_validation_fun, none}]). +encode_decode(Config) when is_list(Config) -> + ?assertEqual("foo%20bar", http_uri:encode("foo bar")), + ?assertEqual(<<"foo%20bar">>, http_uri:encode(<<"foo bar">>)), + + ?assertEqual("foo bar", http_uri:decode("foo+bar")), + ?assertEqual(<<"foo bar">>, http_uri:decode(<<"foo+bar">>)), + ?assertEqual("foo bar", http_uri:decode("foo%20bar")), + ?assertEqual(<<"foo bar">>, http_uri:decode(<<"foo%20bar">>)), + ?assertEqual("foo\r\n", http_uri:decode("foo%0D%0A")), + ?assertEqual(<<"foo\r\n">>, http_uri:decode(<<"foo%0D%0A">>)). + %%-------------------------------------------------------------------- %% Internal Functions ------------------------------------------------ diff --git a/lib/inets/vsn.mk b/lib/inets/vsn.mk index b0b39b54c5..758cef7ac4 100644 --- a/lib/inets/vsn.mk +++ b/lib/inets/vsn.mk @@ -19,6 +19,6 @@ # %CopyrightEnd% APPLICATION = inets -INETS_VSN = 6.3.7 +INETS_VSN = 6.3.9 PRE_VSN = APP_VSN = "$(APPLICATION)-$(INETS_VSN)$(PRE_VSN)" diff --git a/lib/snmp/src/agent/snmp_generic.erl b/lib/snmp/src/agent/snmp_generic.erl index fc23e16ef1..4738525341 100644 --- a/lib/snmp/src/agent/snmp_generic.erl +++ b/lib/snmp/src/agent/snmp_generic.erl @@ -413,20 +413,21 @@ table_check_status(NameDb, Col, ?'RowStatus_createAndGo', RowIndex, Cols) -> false -> % it's ok to use snmpa_local_db:table_construct_row since it's % side effect free and we only use the result temporary. - case catch snmpa_local_db:table_construct_row( + try snmpa_local_db:table_construct_row( NameDb, RowIndex, ?'RowStatus_createAndGo', Cols) of - {'EXIT', _Reason} -> - ?vtrace( - "failed construct row (createAndGo): " - " n Reason: ~p" - " n Stack: ~p", - [_Reason, erlang:get_stacktrace()]), - {noCreation, Col}; % Bad RowIndex Row -> case lists:member(noinit, tuple_to_list(Row)) of false -> {noError, 0}; _Found -> {inconsistentValue, Col} end + catch + _:_Reason -> + ?vtrace( + "failed construct row (createAndGo): " + " n Reason: ~p" + " n Stack: ~p", + [_Reason, erlang:get_stacktrace()]), + {noCreation, Col} % Bad RowIndex end; true -> {inconsistentValue, Col} end; @@ -435,17 +436,18 @@ table_check_status(NameDb, Col, ?'RowStatus_createAndGo', RowIndex, Cols) -> table_check_status(NameDb, Col, ?'RowStatus_createAndWait', RowIndex, Cols) -> case table_row_exists(NameDb, RowIndex) of false -> - case catch snmpa_local_db:table_construct_row( + try snmpa_local_db:table_construct_row( NameDb, RowIndex, ?'RowStatus_createAndGo', Cols) of - {'EXIT', _Reason} -> + _Row -> + {noError, 0} + catch + _:_Reason -> ?vtrace( "failed construct row (createAndWait): " " n Reason: ~p" " n Stack: ~p", [_Reason, erlang:get_stacktrace()]), - {noCreation, Col}; % Bad RowIndex - _Row -> - {noError, 0} + {noCreation, Col} % Bad RowIndex end; true -> {inconsistentValue, Col} end; diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml index 84b7cdd7a1..c659e093b9 100644 --- a/lib/ssh/doc/src/ssh.xml +++ b/lib/ssh/doc/src/ssh.xml @@ -293,6 +293,15 @@ connection. For <c>gen_tcp</c> the time is in milli-seconds and the default value is <c>infinity</c>.</p> </item> + + <tag><c><![CDATA[{auth_methods, string()}]]></c></tag> + <item> + <p>Comma-separated string that determines which + authentication methods that the client shall support and + in which order they are tried. Defaults to + <c><![CDATA["publickey,keyboard-interactive,password"]]></c></p> + </item> + <tag><c><![CDATA[{user, string()}]]></c></tag> <item> <p>Provides a username. If this option is not given, <c>ssh</c> @@ -300,6 +309,7 @@ <c><![CDATA[USER]]></c> on UNIX, <c><![CDATA[USERNAME]]></c> on Windows).</p> </item> + <tag><c><![CDATA[{password, string()}]]></c></tag> <item> <p>Provides a password for password authentication. @@ -307,6 +317,7 @@ password, if the password authentication method is attempted.</p> </item> + <tag><c><![CDATA[{key_cb, key_cb()}]]></c></tag> <item> <p>Module implementing the behaviour <seealso @@ -316,6 +327,7 @@ module via the options passed to it under the key 'key_cb_private'. </p> </item> + <tag><c><![CDATA[{quiet_mode, atom() = boolean()}]]></c></tag> <item> <p>If <c>true</c>, the client does not print anything on authorization.</p> @@ -466,6 +478,7 @@ authentication methods that the server is to support and in what order they are tried. Defaults to <c><![CDATA["publickey,keyboard-interactive,password"]]></c></p> + <p>Note that the client is free to use any order and to exclude methods.</p> </item> <tag><c><![CDATA[{auth_method_kb_interactive_data, PromptTexts}]]></c> diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 342583306b..39bd54869f 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -434,11 +434,7 @@ init_ssh_record(Role, Socket, Opts) -> init_ssh_record(Role, _Socket, PeerAddr, Opts) -> KeyCb = ?GET_OPT(key_cb, Opts), - AuthMethods = - case Role of - server -> ?GET_OPT(auth_methods, Opts); - client -> undefined - end, + AuthMethods = ?GET_OPT(auth_methods, Opts), S0 = #ssh{role = Role, key_cb = KeyCb, opts = Opts, diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl index 6692432fcf..33792da38f 100644 --- a/lib/ssh/src/ssh_file.erl +++ b/lib/ssh/src/ssh_file.erl @@ -75,10 +75,7 @@ host_key(Algorithm, Opts) -> Password = proplists:get_value(identity_pass_phrase(Algorithm), Opts, ignore), case decode(File, Password) of {ok,Key} -> - case ssh_transport:valid_key_sha_alg(Key,Algorithm) of - true -> {ok,Key}; - false -> {error,bad_keytype_in_file} - end; + check_key_type(Key, Algorithm); {error,DecodeError} -> {error,DecodeError} end. @@ -104,10 +101,20 @@ is_host_key(Key, PeerName, Algorithm, Opts) -> user_key(Algorithm, Opts) -> File = file_name(user, identity_key_filename(Algorithm), Opts), Password = proplists:get_value(identity_pass_phrase(Algorithm), Opts, ignore), - decode(File, Password). + case decode(File, Password) of + {ok, Key} -> + check_key_type(Key, Algorithm); + Error -> + Error + end. %% Internal functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +check_key_type(Key, Algorithm) -> + case ssh_transport:valid_key_sha_alg(Key,Algorithm) of + true -> {ok,Key}; + false -> {error,bad_keytype_in_file} + end. file_base_name('ssh-rsa' ) -> "ssh_host_rsa_key"; file_base_name('rsa-sha2-256' ) -> "ssh_host_rsa_key"; diff --git a/lib/ssh/src/ssh_options.erl b/lib/ssh/src/ssh_options.erl index 0886d5b34d..78f68dbcb1 100644 --- a/lib/ssh/src/ssh_options.erl +++ b/lib/ssh/src/ssh_options.erl @@ -293,12 +293,6 @@ default(server) -> class => user_options }, - {auth_methods, def} => - #{default => ?SUPPORTED_AUTH_METHODS, - chk => fun check_string/1, - class => user_options - }, - {auth_method_kb_interactive_data, def} => #{default => undefined, % Default value can be constructed when User is known chk => fun({S1,S2,S3,B}) -> @@ -582,6 +576,21 @@ default(common) -> class => user_options }, + {auth_methods, def} => + #{default => ?SUPPORTED_AUTH_METHODS, + chk => fun(As) -> + try + Sup = string:tokens(?SUPPORTED_AUTH_METHODS, ","), + New = string:tokens(As, ","), + [] == [X || X <- New, + not lists:member(X,Sup)] + catch + _:_ -> false + end + end, + class => user_options + }, + %%%%% Undocumented {transport, def} => #{default => ?DEFAULT_TRANSPORT, diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl index 25c64a4f25..bd1cb4bd22 100644 --- a/lib/ssh/src/ssh_transport.erl +++ b/lib/ssh/src/ssh_transport.erl @@ -724,9 +724,21 @@ kex_ext_info(Role, Opts) -> end. ext_info_message(#ssh{role=client, - send_ext_info=true} = Ssh0) -> - %% FIXME: no extensions implemented - {ok, "", Ssh0}; + send_ext_info=true, + opts=Opts} = Ssh0) -> + %% Since no extension sent by the client is implemented, we add a fake one + %% to be able to test the framework. + %% Remove this when there is one and update ssh_protocol_SUITE whare it is used. + case proplists:get_value(ext_info_client, ?GET_OPT(tstflg,Opts)) of + true -> + Msg = #ssh_msg_ext_info{nr_extensions = 1, + data = [{"[email protected]", "Testing,PleaseIgnore"}] + }, + {SshPacket, Ssh} = ssh_packet(Msg, Ssh0), + {ok, SshPacket, Ssh}; + _ -> + {ok, "", Ssh0} + end; ext_info_message(#ssh{role=server, send_ext_info=true} = Ssh0) -> diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl index b80c3ed5e2..1e591bc295 100644 --- a/lib/ssh/test/ssh_basic_SUITE.erl +++ b/lib/ssh/test/ssh_basic_SUITE.erl @@ -1173,13 +1173,10 @@ login_bad_pwd_no_retry3(Config) -> login_bad_pwd_no_retry(Config, "password,publickey,keyboard-interactive"). login_bad_pwd_no_retry4(Config) -> - login_bad_pwd_no_retry(Config, "password,other,keyboard-interactive"). + login_bad_pwd_no_retry(Config, "password,keyboard-interactive"). login_bad_pwd_no_retry5(Config) -> - login_bad_pwd_no_retry(Config, "password,other,keyboard-interactive,password,password"). - - - + login_bad_pwd_no_retry(Config, "password,keyboard-interactive,password,password"). login_bad_pwd_no_retry(Config, AuthMethods) -> diff --git a/lib/ssh/test/ssh_protocol_SUITE.erl b/lib/ssh/test/ssh_protocol_SUITE.erl index 5a6e0638a7..0385e30ad1 100644 --- a/lib/ssh/test/ssh_protocol_SUITE.erl +++ b/lib/ssh/test/ssh_protocol_SUITE.erl @@ -59,7 +59,8 @@ all() -> {group,service_requests}, {group,authentication}, {group,packet_size_error}, - {group,field_size_error} + {group,field_size_error}, + {group,ext_info} ]. groups() -> @@ -90,7 +91,12 @@ groups() -> bad_service_name_then_correct ]}, {authentication, [], [client_handles_keyboard_interactive_0_pwds - ]} + ]}, + {ext_info, [], [no_ext_info_s1, + no_ext_info_s2, + ext_info_s, + ext_info_c + ]} ]. @@ -644,7 +650,113 @@ client_info_line(_Config) -> ok end. +%%%-------------------------------------------------------------------- +%%% The server does not send the extension because +%%% the client does not tell the server to send it +no_ext_info_s1(Config) -> + %% Start the dameon + Server = {Pid,_,_} = ssh_test_lib:daemon([{send_ext_info,true}, + {system_dir, system_dir(Config)}]), + {ok,AfterKexState} = connect_and_kex([{server,Server}|Config]), + {ok,_} = + ssh_trpt_test_lib:exec( + [{send, #ssh_msg_service_request{name = "ssh-userauth"}}, + {match, #ssh_msg_service_accept{name = "ssh-userauth"}, receive_msg} + ], AfterKexState), + ssh:stop_daemon(Pid). + +%%%-------------------------------------------------------------------- +%%% The server does not send the extension because +%%% the server is not configured to send it +no_ext_info_s2(Config) -> + %% Start the dameon + Server = {Pid,_,_} = ssh_test_lib:daemon([{send_ext_info,false}, + {system_dir, system_dir(Config)}]), + {ok,AfterKexState} = connect_and_kex([{extra_options,[{recv_ext_info,true}]}, + {server,Server} + | Config]), + {ok,_} = + ssh_trpt_test_lib:exec( + [{send, #ssh_msg_service_request{name = "ssh-userauth"}}, + {match, #ssh_msg_service_accept{name = "ssh-userauth"}, receive_msg} + ], AfterKexState), + ssh:stop_daemon(Pid). + +%%%-------------------------------------------------------------------- +%%% The server sends the extension +ext_info_s(Config) -> + %% Start the dameon + Server = {Pid,_,_} = ssh_test_lib:daemon([{send_ext_info,true}, + {system_dir, system_dir(Config)}]), + {ok,AfterKexState} = connect_and_kex([{extra_options,[{recv_ext_info,true}]}, + {server,Server} + | Config]), + {ok,_} = + ssh_trpt_test_lib:exec( + [{match, #ssh_msg_ext_info{_='_'}, receive_msg} + ], + AfterKexState), + ssh:stop_daemon(Pid). + +%%%-------------------------------------------------------------------- +%%% The client sends the extension +ext_info_c(Config) -> + {User,_Pwd} = server_user_password(Config), + + %% Create a listening socket as server socket: + {ok,InitialState} = ssh_trpt_test_lib:exec(listen), + HostPort = ssh_trpt_test_lib:server_host_port(InitialState), + + Parent = self(), + %% Start a process handling one connection on the server side: + Pid = + spawn_link( + fun() -> + Result = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_messages]}, + {accept, [{system_dir, system_dir(Config)}, + {user_dir, user_dir(Config)}, + {recv_ext_info, true} + ]}, + receive_hello, + {send, hello}, + + {send, ssh_msg_kexinit}, + {match, #ssh_msg_kexinit{_='_'}, receive_msg}, + + {match, #ssh_msg_kexdh_init{_='_'}, receive_msg}, + {send, ssh_msg_kexdh_reply}, + + {send, #ssh_msg_newkeys{}}, + {match, #ssh_msg_newkeys{_='_'}, receive_msg}, + + {match, #ssh_msg_ext_info{_='_'}, receive_msg}, + + close_socket, + print_state + ], + InitialState), + Parent ! {result,self(),Result} + end), + + %% connect to it with a regular Erlang SSH client + %% (expect error due to the close_socket in daemon): + {error,_} = std_connect(HostPort, Config, + [{preferred_algorithms,[{kex,[?DEFAULT_KEX]}, + {cipher,?DEFAULT_CIPHERS} + ]}, + {tstflg, [{ext_info_client,true}]}, + {send_ext_info, true} + ] + ), + %% Check that the daemon got expected result: + receive + {result, Pid, {ok,_}} -> ok; + {result, Pid, Error} -> ct:fail("Error: ~p",[Error]) + end. + %%%================================================================ %%%==== Internal functions ======================================== %%%================================================================ @@ -751,10 +863,12 @@ connect_and_kex(Config, InitialState) -> [{preferred_algorithms,[{kex,[?DEFAULT_KEX]}, {cipher,?DEFAULT_CIPHERS} ]}, - {silently_accept_hosts, true}, + {silently_accept_hosts, true}, {recv_ext_info, false}, {user_dir, user_dir(Config)}, - {user_interaction, false}]}, + {user_interaction, false} + | proplists:get_value(extra_options,Config,[]) + ]}, receive_hello, {send, hello}, {send, ssh_msg_kexinit}, diff --git a/lib/ssl/doc/src/notes.xml b/lib/ssl/doc/src/notes.xml index d8e26d635f..29ec3f9d57 100644 --- a/lib/ssl/doc/src/notes.xml +++ b/lib/ssl/doc/src/notes.xml @@ -28,6 +28,21 @@ <p>This document describes the changes made to the SSL application.</p> +<section><title>SSL 8.1.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Remove debug printout</p> + <p> + Own Id: OTP-14396</p> + </item> + </list> + </section> + +</section> + <section><title>SSL 8.1.2</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl index 9937373e6e..f078b87bce 100644 --- a/lib/ssl/src/dtls_connection.erl +++ b/lib/ssl/src/dtls_connection.erl @@ -53,7 +53,7 @@ %% Data handling -export([encode_data/3, passive_receive/2, next_record_if_active/1, handle_common_event/4, - send/3, socket/5]). + send/3, socket/5, setopts/3, getopts/3]). %% gen_statem state functions -export([init/3, error/3, downgrade/3, %% Initiation and take down states @@ -203,6 +203,11 @@ select_sni_extension(_) -> socket(Pid, Transport, Socket, Connection, _) -> dtls_socket:socket(Pid, Transport, Socket, Connection). +setopts(Transport, Socket, Other) -> + dtls_socket:setopts(Transport, Socket, Other). +getopts(Transport, Socket, Tag) -> + dtls_socket:getopts(Transport, Socket, Tag). + %%==================================================================== %% tls_connection_sup API %%==================================================================== @@ -688,16 +693,18 @@ next_record(#state{unprocessed_handshake_events = N} = State) when N > 0 -> {no_record, State#state{unprocessed_handshake_events = N-1}}; next_record(#state{protocol_buffers = - #protocol_buffers{dtls_cipher_texts = [CT | Rest]} + #protocol_buffers{dtls_cipher_texts = [#ssl_tls{epoch = Epoch} = CT | Rest]} = Buffers, - connection_states = ConnStates0} = State) -> - case dtls_record:decode_cipher_text(CT, ConnStates0) of - {Plain, ConnStates} -> - {Plain, State#state{protocol_buffers = - Buffers#protocol_buffers{dtls_cipher_texts = Rest}, - connection_states = ConnStates}}; - #alert{} = Alert -> - {Alert, State} + connection_states = ConnectionStates} = State) -> + CurrentRead = dtls_record:get_connection_state_by_epoch(Epoch, ConnectionStates, read), + case dtls_record:replay_detect(CT, CurrentRead) of + false -> + decode_cipher_text(State#state{connection_states = ConnectionStates}) ; + true -> + %% Ignore replayed record + next_record(State#state{protocol_buffers = + Buffers#protocol_buffers{dtls_cipher_texts = Rest}, + connection_states = ConnectionStates}) end; next_record(#state{role = server, socket = {Listener, {Client, _}}, @@ -770,6 +777,17 @@ next_event(StateName, Record, {next_state, StateName, State, [{next_event, internal, Alert} | Actions]} end. +decode_cipher_text(#state{protocol_buffers = #protocol_buffers{dtls_cipher_texts = [ CT | Rest]} = Buffers, + connection_states = ConnStates0} = State) -> + case dtls_record:decode_cipher_text(CT, ConnStates0) of + {Plain, ConnStates} -> + {Plain, State#state{protocol_buffers = + Buffers#protocol_buffers{dtls_cipher_texts = Rest}, + connection_states = ConnStates}}; + #alert{} = Alert -> + {Alert, State} + end. + dtls_version(hello, Version, #state{role = server} = State) -> State#state{negotiated_version = Version}; %%Inital version dtls_version(_,_, State) -> diff --git a/lib/ssl/src/dtls_record.erl b/lib/ssl/src/dtls_record.erl index 6a418c6fb1..8a7f8c1d0a 100644 --- a/lib/ssl/src/dtls_record.erl +++ b/lib/ssl/src/dtls_record.erl @@ -46,7 +46,7 @@ is_higher/2, supported_protocol_versions/0, is_acceptable_version/2, hello_version/2]). --export([save_current_connection_state/2, next_epoch/2]). +-export([save_current_connection_state/2, next_epoch/2, get_connection_state_by_epoch/3, replay_detect/2]). -export([init_connection_state_seq/2, current_connection_state_epoch/2]). @@ -55,6 +55,8 @@ -type dtls_version() :: ssl_record:ssl_version(). -type dtls_atom_version() :: dtlsv1 | 'dtlsv1.2'. +-define(REPLAY_WINDOW_SIZE, 64). + -compile(inline). %%==================================================================== @@ -73,7 +75,7 @@ init_connection_states(Role, BeastMitigation) -> Initial = initial_connection_state(ConnectionEnd, BeastMitigation), Current = Initial#{epoch := 0}, InitialPending = ssl_record:empty_connection_state(ConnectionEnd, BeastMitigation), - Pending = InitialPending#{epoch => undefined}, + Pending = InitialPending#{epoch => undefined, replay_window => init_replay_window(?REPLAY_WINDOW_SIZE)}, #{saved_read => Current, current_read => Current, pending_read => Pending, @@ -96,11 +98,13 @@ save_current_connection_state(#{current_write := Current} = States, write) -> next_epoch(#{pending_read := Pending, current_read := #{epoch := Epoch}} = States, read) -> - States#{pending_read := Pending#{epoch := Epoch + 1}}; + States#{pending_read := Pending#{epoch := Epoch + 1, + replay_window := init_replay_window(?REPLAY_WINDOW_SIZE)}}; next_epoch(#{pending_write := Pending, current_write := #{epoch := Epoch}} = States, write) -> - States#{pending_write := Pending#{epoch := Epoch + 1}}. + States#{pending_write := Pending#{epoch := Epoch + 1, + replay_window := init_replay_window(?REPLAY_WINDOW_SIZE)}}. get_connection_state_by_epoch(Epoch, #{current_write := #{epoch := Epoch} = Current}, write) -> @@ -411,6 +415,7 @@ hello_version(Version, Versions) -> lowest_protocol_version(Versions) end. + %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- @@ -419,6 +424,7 @@ initial_connection_state(ConnectionEnd, BeastMitigation) -> ssl_record:initial_security_params(ConnectionEnd), epoch => undefined, sequence_number => 0, + replay_window => init_replay_window(?REPLAY_WINDOW_SIZE), beast_mitigation => BeastMitigation, compression_state => undefined, cipher_state => undefined, @@ -499,8 +505,9 @@ decode_cipher_text(#ssl_tls{type = Type, version = Version, {PlainFragment, CipherState} -> {Plain, CompressionS1} = ssl_record:uncompress(CompAlg, PlainFragment, CompressionS0), - ReadState = ReadState0#{compression_state => CompressionS1, + ReadState0 = ReadState0#{compression_state => CompressionS1, cipher_state => CipherState}, + ReadState = update_replay_window(Seq, ReadState0), ConnnectionStates = set_connection_state_by_epoch(ReadState, Epoch, ConnnectionStates0, read), {CipherText#ssl_tls{fragment = Plain}, ConnnectionStates}; #alert{} = Alert -> @@ -523,7 +530,8 @@ decode_cipher_text(#ssl_tls{type = Type, version = Version, {Plain, CompressionS1} = ssl_record:uncompress(CompAlg, PlainFragment, CompressionS0), - ReadState = ReadState1#{compression_state => CompressionS1}, + ReadState2 = ReadState1#{compression_state => CompressionS1}, + ReadState = update_replay_window(Seq, ReadState2), ConnnectionStates = set_connection_state_by_epoch(ReadState, Epoch, ConnnectionStates0, read), {CipherText#ssl_tls{fragment = Plain}, ConnnectionStates}; false -> @@ -555,3 +563,38 @@ mac_hash({Major, Minor}, MacAlg, MacSecret, Epoch, SeqNo, Type, Length, Fragment calc_aad(Type, {MajVer, MinVer}, Epoch, SeqNo) -> <<?UINT16(Epoch), ?UINT48(SeqNo), ?BYTE(Type), ?BYTE(MajVer), ?BYTE(MinVer)>>. + +init_replay_window(Size) -> + #{size => Size, + top => Size, + bottom => 0, + mask => 0 bsl 64 + }. + +replay_detect(#ssl_tls{sequence_number = SequenceNumber}, #{replay_window := Window}) -> + is_replay(SequenceNumber, Window). + + +is_replay(SequenceNumber, #{bottom := Bottom}) when SequenceNumber < Bottom -> + true; +is_replay(SequenceNumber, #{size := Size, + top := Top, + bottom := Bottom, + mask := Mask}) when (SequenceNumber >= Bottom) andalso (SequenceNumber =< Top) -> + Index = (SequenceNumber rem Size), + (Index band Mask) == 1; + +is_replay(_, _) -> + false. + +update_replay_window(SequenceNumber, #{replay_window := #{size := Size, + top := Top, + bottom := Bottom, + mask := Mask0} = Window0} = ConnectionStates) -> + NoNewBits = SequenceNumber - Top, + Index = SequenceNumber rem Size, + Mask = (Mask0 bsl NoNewBits) bor Index, + Window = Window0#{top => SequenceNumber, + bottom => Bottom + NoNewBits, + mask => Mask}, + ConnectionStates#{replay_window := Window}. diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index d9e47c43ad..5421bdef99 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -455,7 +455,16 @@ setopts(#sslsocket{pid = Pid}, Options0) when is_pid(Pid), is_list(Options0) -> _:_ -> {error, {options, {not_a_proplist, Options0}}} end; - +setopts(#sslsocket{pid = {{udp, _}, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, Options) when is_list(Options) -> + try dtls_socket:setopts(Transport, ListenSocket, Options) of + ok -> + ok; + {error, InetError} -> + {error, {options, {socket_options, Options, InetError}}} + catch + _:Error -> + {error, {options, {socket_options, Options, Error}}} + end; setopts(#sslsocket{pid = {_, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, Options) when is_list(Options) -> try tls_socket:setopts(Transport, ListenSocket, Options) of ok -> diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index be64081599..fb87662c7b 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -842,7 +842,6 @@ handle_common_event(internal, #change_cipher_spec{type = <<1>>}, StateName, StateName, State); handle_common_event(_Type, Msg, StateName, #state{negotiated_version = Version} = State, _) -> - ct:pal("Unexpected msg ~p", [Msg]), Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE), handle_own_alert(Alert, Version, {StateName, Msg}, State). @@ -906,14 +905,14 @@ handle_call({new_user, User}, From, StateName, handle_call({get_opts, OptTags}, From, _, #state{socket = Socket, transport_cb = Transport, - socket_options = SockOpts}, _) -> - OptsReply = get_socket_opts(Transport, Socket, OptTags, SockOpts, []), + socket_options = SockOpts}, Connection) -> + OptsReply = get_socket_opts(Connection, Transport, Socket, OptTags, SockOpts, []), {keep_state_and_data, [{reply, From, OptsReply}]}; handle_call({set_opts, Opts0}, From, StateName, #state{socket_options = Opts1, socket = Socket, - transport_cb = Transport} = State0, _) -> - {Reply, Opts} = set_socket_opts(Transport, Socket, Opts0, Opts1, []), + transport_cb = Transport} = State0, Connection) -> + {Reply, Opts} = set_socket_opts(Connection, Transport, Socket, Opts0, Opts1, []), State = State0#state{socket_options = Opts}, handle_active_option(Opts#socket_options.active, StateName, From, Reply, State); @@ -1911,42 +1910,39 @@ call(FsmPid, Event) -> {error, closed} end. -get_socket_opts(_,_,[], _, Acc) -> +get_socket_opts(_, _,_,[], _, Acc) -> {ok, Acc}; -get_socket_opts(Transport, Socket, [mode | Tags], SockOpts, Acc) -> - get_socket_opts(Transport, Socket, Tags, SockOpts, +get_socket_opts(Connection, Transport, Socket, [mode | Tags], SockOpts, Acc) -> + get_socket_opts(Connection, Transport, Socket, Tags, SockOpts, [{mode, SockOpts#socket_options.mode} | Acc]); -get_socket_opts(Transport, Socket, [packet | Tags], SockOpts, Acc) -> +get_socket_opts(Connection, Transport, Socket, [packet | Tags], SockOpts, Acc) -> case SockOpts#socket_options.packet of {Type, headers} -> - get_socket_opts(Transport, Socket, Tags, SockOpts, [{packet, Type} | Acc]); + get_socket_opts(Connection, Transport, Socket, Tags, SockOpts, [{packet, Type} | Acc]); Type -> - get_socket_opts(Transport, Socket, Tags, SockOpts, [{packet, Type} | Acc]) + get_socket_opts(Connection, Transport, Socket, Tags, SockOpts, [{packet, Type} | Acc]) end; -get_socket_opts(Transport, Socket, [header | Tags], SockOpts, Acc) -> - get_socket_opts(Transport, Socket, Tags, SockOpts, +get_socket_opts(Connection, Transport, Socket, [header | Tags], SockOpts, Acc) -> + get_socket_opts(Connection, Transport, Socket, Tags, SockOpts, [{header, SockOpts#socket_options.header} | Acc]); -get_socket_opts(Transport, Socket, [active | Tags], SockOpts, Acc) -> - get_socket_opts(Transport, Socket, Tags, SockOpts, +get_socket_opts(Connection, Transport, Socket, [active | Tags], SockOpts, Acc) -> + get_socket_opts(Connection, Transport, Socket, Tags, SockOpts, [{active, SockOpts#socket_options.active} | Acc]); -get_socket_opts(Transport, Socket, [Tag | Tags], SockOpts, Acc) -> - try tls_socket:getopts(Transport, Socket, [Tag]) of - {ok, [Opt]} -> - get_socket_opts(Transport, Socket, Tags, SockOpts, [Opt | Acc]); - {error, Error} -> - {error, {options, {socket_options, Tag, Error}}} - catch - %% So that inet behavior does not crash our process - _:Error -> {error, {options, {socket_options, Tag, Error}}} +get_socket_opts(Connection, Transport, Socket, [Tag | Tags], SockOpts, Acc) -> + case Connection:getopts(Transport, Socket, [Tag]) of + {ok, [Opt]} -> + get_socket_opts(Connection, Transport, Socket, Tags, SockOpts, [Opt | Acc]); + {error, Reason} -> + {error, {options, {socket_options, Tag, Reason}}} end; -get_socket_opts(_, _,Opts, _,_) -> +get_socket_opts(_,_, _,Opts, _,_) -> {error, {options, {socket_options, Opts, function_clause}}}. -set_socket_opts(_,_, [], SockOpts, []) -> +set_socket_opts(_,_,_, [], SockOpts, []) -> {ok, SockOpts}; -set_socket_opts(Transport, Socket, [], SockOpts, Other) -> +set_socket_opts(ConnectionCb, Transport, Socket, [], SockOpts, Other) -> %% Set non emulated options - try tls_socket:setopts(Transport, Socket, Other) of + try ConnectionCb:setopts(Transport, Socket, Other) of ok -> {ok, SockOpts}; {error, InetError} -> @@ -1957,13 +1953,13 @@ set_socket_opts(Transport, Socket, [], SockOpts, Other) -> {{error, {options, {socket_options, Other, Error}}}, SockOpts} end; -set_socket_opts(Transport,Socket, [{mode, Mode}| Opts], SockOpts, Other) +set_socket_opts(ConnectionCb, Transport,Socket, [{mode, Mode}| Opts], SockOpts, Other) when Mode == list; Mode == binary -> - set_socket_opts(Transport, Socket, Opts, + set_socket_opts(ConnectionCb, Transport, Socket, Opts, SockOpts#socket_options{mode = Mode}, Other); -set_socket_opts(_, _, [{mode, _} = Opt| _], SockOpts, _) -> +set_socket_opts(_, _, _, [{mode, _} = Opt| _], SockOpts, _) -> {{error, {options, {socket_options, Opt}}}, SockOpts}; -set_socket_opts(Transport,Socket, [{packet, Packet}| Opts], SockOpts, Other) +set_socket_opts(ConnectionCb, Transport,Socket, [{packet, Packet}| Opts], SockOpts, Other) when Packet == raw; Packet == 0; Packet == 1; @@ -1979,26 +1975,26 @@ set_socket_opts(Transport,Socket, [{packet, Packet}| Opts], SockOpts, Other) Packet == httph; Packet == http_bin; Packet == httph_bin -> - set_socket_opts(Transport, Socket, Opts, + set_socket_opts(ConnectionCb, Transport, Socket, Opts, SockOpts#socket_options{packet = Packet}, Other); -set_socket_opts(_, _, [{packet, _} = Opt| _], SockOpts, _) -> +set_socket_opts(_, _, _, [{packet, _} = Opt| _], SockOpts, _) -> {{error, {options, {socket_options, Opt}}}, SockOpts}; -set_socket_opts(Transport, Socket, [{header, Header}| Opts], SockOpts, Other) +set_socket_opts(ConnectionCb, Transport, Socket, [{header, Header}| Opts], SockOpts, Other) when is_integer(Header) -> - set_socket_opts(Transport, Socket, Opts, + set_socket_opts(ConnectionCb, Transport, Socket, Opts, SockOpts#socket_options{header = Header}, Other); -set_socket_opts(_, _, [{header, _} = Opt| _], SockOpts, _) -> +set_socket_opts(_, _, _, [{header, _} = Opt| _], SockOpts, _) -> {{error,{options, {socket_options, Opt}}}, SockOpts}; -set_socket_opts(Transport, Socket, [{active, Active}| Opts], SockOpts, Other) +set_socket_opts(ConnectionCb, Transport, Socket, [{active, Active}| Opts], SockOpts, Other) when Active == once; Active == true; Active == false -> - set_socket_opts(Transport, Socket, Opts, + set_socket_opts(ConnectionCb, Transport, Socket, Opts, SockOpts#socket_options{active = Active}, Other); -set_socket_opts(_, _, [{active, _} = Opt| _], SockOpts, _) -> +set_socket_opts(_,_, _, [{active, _} = Opt| _], SockOpts, _) -> {{error, {options, {socket_options, Opt}} }, SockOpts}; -set_socket_opts(Transport, Socket, [Opt | Opts], SockOpts, Other) -> - set_socket_opts(Transport, Socket, Opts, SockOpts, [Opt | Other]). +set_socket_opts(ConnectionCb, Transport, Socket, [Opt | Opts], SockOpts, Other) -> + set_socket_opts(ConnectionCb, Transport, Socket, Opts, SockOpts, [Opt | Other]). start_or_recv_cancel_timer(infinity, _RecvFrom) -> undefined; diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index a289ee0a65..96c3ab86e9 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -60,7 +60,7 @@ %% Data handling -export([passive_receive/2, next_record_if_active/1, handle_common_event/4, send/3, - socket/5]). + socket/5, setopts/3, getopts/3]). %% gen_statem state functions -export([init/3, error/3, downgrade/3, %% Initiation and take down states @@ -195,6 +195,10 @@ callback_mode() -> socket(Pid, Transport, Socket, Connection, Tracker) -> tls_socket:socket(Pid, Transport, Socket, Connection, Tracker). +setopts(Transport, Socket, Other) -> + tls_socket:setopts(Transport, Socket, Other). +getopts(Transport, Socket, Tag) -> + tls_socket:getopts(Transport, Socket, Tag). %%-------------------------------------------------------------------- %% State functions diff --git a/lib/ssl/test/ssl_bench_SUITE.erl b/lib/ssl/test/ssl_bench_SUITE.erl index 960ddf7808..ae2928b1c3 100644 --- a/lib/ssl/test/ssl_bench_SUITE.erl +++ b/lib/ssl/test/ssl_bench_SUITE.erl @@ -410,13 +410,19 @@ ssl_opts(connect_der) -> [{verify, verify_peer} | ssl_opts("client_der")]; ssl_opts(Role) -> CertData = cert_data(Role), - [{active, false}, - {depth, 2}, - {reuseaddr, true}, - {mode,binary}, - {nodelay, true}, - {ciphers, [{dhe_rsa,aes_256_cbc,sha}]} - |CertData]. + Opts = [{active, false}, + {depth, 2}, + {reuseaddr, true}, + {mode,binary}, + {nodelay, true}, + {ciphers, [{dhe_rsa,aes_256_cbc,sha}]} + |CertData], + case Role of + "client" ++ _ -> + [{server_name_indication, disable} | Opts]; + "server" ++ _ -> + Opts + end. cert_data(Der) when Der =:= "server_der"; Der =:= "client_der" -> [Role,_] = string:tokens(Der, "_"), diff --git a/lib/stdlib/doc/src/gen_event.xml b/lib/stdlib/doc/src/gen_event.xml index 09bde3e397..012737c390 100644 --- a/lib/stdlib/doc/src/gen_event.xml +++ b/lib/stdlib/doc/src/gen_event.xml @@ -358,7 +358,7 @@ gen_event:stop -----> Module:terminate/2 <v> Name = atom()</v> <v> GlobalName = ViaName = term()</v> <v>Options = [Option]</v> - <v> Option = {debug,Dbgs} | {timeout,Time} | {spawn_opt,SOpts}</v> + <v> Option = {debug,Dbgs} | {timeout,Time} | {hibernate_after,HibernateAfterTimeout} | {spawn_opt,SOpts}</v> <v> Dbgs = [Dbg]</v> <v> Dbg = trace | log | statistics | {log_to_file,FileName} | {install,{Func,FuncState}}</v> <v> SOpts = [term()]</v> @@ -385,7 +385,7 @@ gen_event:stop -----> Module:terminate/2 <v> Name = atom()</v> <v> GlobalName = ViaName = term()</v> <v>Options = [Option]</v> - <v> Option = {debug,Dbgs} | {timeout,Time} | {spawn_opt,SOpts}</v> + <v> Option = {debug,Dbgs} | {timeout,Time} | {hibernate_after,HibernateAfterTimeout} | {spawn_opt,SOpts}</v> <v> Dbgs = [Dbg]</v> <v> Dbg = trace | log | statistics | {log_to_file,FileName} | {install,{Func,FuncState}}</v> <v> SOpts = [term()]</v> @@ -419,6 +419,12 @@ gen_event:stop -----> Module:terminate/2 <seealso marker="kernel:global"><c>global</c></seealso>. Thus, <c>{via,global,GlobalName}</c> is a valid reference.</p> </item> + <item> + <p>If option <c>{hibernate_after,HibernateAfterTimeout}</c> is present, the <c>gen_event</c> + process awaits any message for <c>HibernateAfterTimeout</c> milliseconds and + if no message is received, the process goes into hibernation automatically + (by calling <seealso marker="proc_lib#hibernate/3"><c>proc_lib:hibernate/3</c></seealso>).</p> + </item> </list> <p>If the event manager is successfully created, the function returns <c>{ok,Pid}</c>, where <c>Pid</c> is the pid of diff --git a/lib/stdlib/doc/src/gen_server.xml b/lib/stdlib/doc/src/gen_server.xml index a8006bb870..7d137fc772 100644 --- a/lib/stdlib/doc/src/gen_server.xml +++ b/lib/stdlib/doc/src/gen_server.xml @@ -199,7 +199,7 @@ gen_server:abcast -----> Module:handle_cast/2 <type> <v>Module = atom()</v> <v>Options = [Option]</v> - <v> Option = {debug,Dbgs}</v> + <v> Option = {debug,Dbgs} | {hibernate_after,HibernateAfterTimeout}</v> <v> Dbgs = [Dbg]</v> <v> Dbg = trace | log | statistics</v> <v> | {log_to_file,FileName} | {install,{Func,FuncState}}</v> @@ -334,7 +334,7 @@ gen_server:abcast -----> Module:handle_cast/2 <v>Module = atom()</v> <v>Args = term()</v> <v>Options = [Option]</v> - <v> Option = {debug,Dbgs} | {timeout,Time} | {spawn_opt,SOpts}</v> + <v> Option = {debug,Dbgs} | {timeout,Time} | {hibernate_after,HibernateAfterTimeout} | {spawn_opt,SOpts}</v> <v> Dbgs = [Dbg]</v> <v> Dbg = trace | log | statistics | {log_to_file,FileName} | {install,{Func,FuncState}}</v> <v> SOpts = [term()]</v> @@ -364,7 +364,7 @@ gen_server:abcast -----> Module:handle_cast/2 <v>Module = atom()</v> <v>Args = term()</v> <v>Options = [Option]</v> - <v> Option = {debug,Dbgs} | {timeout,Time} | {spawn_opt,SOpts}</v> + <v> Option = {debug,Dbgs} | {timeout,Time} | {hibernate_after,HibernateAfterTimeout} | {spawn_opt,SOpts}</v> <v> Dbgs = [Dbg]</v> <v> Dbg = trace | log | statistics | {log_to_file,FileName} | {install,{Func,FuncState}}</v> <v> SOpts = [term()]</v> @@ -417,6 +417,12 @@ gen_server:abcast -----> Module:handle_cast/2 returns <c>{error,timeout}</c>.</p> </item> <item> + <p>If option <c>{hibernate_after,HibernateAfterTimeout}</c> is present, the <c>gen_server</c> + process awaits any message for <c>HibernateAfterTimeout</c> milliseconds and + if no message is received, the process goes into hibernation automatically + (by calling <seealso marker="proc_lib#hibernate/3"><c>proc_lib:hibernate/3</c></seealso>).</p> + </item> + <item> <p>If option <c>{debug,Dbgs}</c> is present, the corresponding <c>sys</c> function is called for each item in <c>Dbgs</c>; see diff --git a/lib/stdlib/doc/src/gen_statem.xml b/lib/stdlib/doc/src/gen_statem.xml index 17a3a3c83c..1aac88c308 100644 --- a/lib/stdlib/doc/src/gen_statem.xml +++ b/lib/stdlib/doc/src/gen_statem.xml @@ -453,6 +453,21 @@ handle_event(_, _, State, Data) -> </desc> </datatype> <datatype> + <name name="hibernate_after_opt"/> + <desc> + <p> + hibernate_after option that can be used when starting + a <c>gen_statem</c> server through, + <seealso marker="#enter_loop/4"><c>enter_loop/4-6</c></seealso>. + </p> + <p>If option<seealso marker="#type-hibernate_after_opt"><c>{hibernate_after,HibernateAfterTimeout}</c></seealso> is present, the <c>gen_statem</c> + process awaits any message for <c>HibernateAfterTimeout</c> milliseconds and + if no message is received, the process goes into hibernation automatically + (by calling <seealso marker="proc_lib#hibernate/3"><c>proc_lib:hibernate/3</c></seealso>). + </p> + </desc> + </datatype> + <datatype> <name name="start_opt"/> <desc> <p> @@ -1551,6 +1566,13 @@ handle_event(_, _, State, Data) -> </p> </item> <item> + <p>If option<seealso marker="#type-hibernate_after_opt"><c>{hibernate_after,HibernateAfterTimeout}</c></seealso> is present, the <c>gen_statem</c> + process awaits any message for <c>HibernateAfterTimeout</c> milliseconds and + if no message is received, the process goes into hibernation automatically + (by calling <seealso marker="proc_lib#hibernate/3"><c>proc_lib:hibernate/3</c></seealso>). + </p> + </item> + <item> <p> If option <seealso marker="#type-debug_opt"><c>{debug,Dbgs}</c></seealso> diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 7c40058dd8..d53a31db0d 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -92,6 +92,14 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> :: dict:dict(ta(), line()) }). + +%% Are we outside or inside a catch or try/catch? +-type catch_scope() :: 'none' + | 'after_old_catch' + | 'after_try' + | 'wrong_part_of_try' + | 'try_catch'. + %% Define the lint state record. %% 'called' and 'exports' contain {Line, {Function, Arity}}, %% the other function collections contain {Function, Arity}. @@ -135,7 +143,9 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> types = dict:new() %Type definitions :: dict:dict(ta(), #typeinfo{}), exp_types=gb_sets:empty() %Exported types - :: gb_sets:set(ta()) + :: gb_sets:set(ta()), + catch_scope = none %Inside/outside try or catch + :: catch_scope() }). -type lint_state() :: #lint{}. @@ -223,7 +233,15 @@ format_error({redefine_old_bif_import,{F,A}}) -> format_error({redefine_bif_import,{F,A}}) -> io_lib:format("import directive overrides auto-imported BIF ~w/~w~n" " - use \"-compile({no_auto_import,[~w/~w]}).\" to resolve name clash", [F,A,F,A]); - +format_error({get_stacktrace,wrong_part_of_try}) -> + "erlang:get_stacktrace/0 used in the wrong part of 'try' expression. " + "(Use it in the block between 'catch' and 'end'.)"; +format_error({get_stacktrace,after_old_catch}) -> + "erlang:get_stacktrace/0 used following an old-style 'catch' " + "may stop working in a future release. (Use it inside 'try'.)"; +format_error({get_stacktrace,after_try}) -> + "erlang:get_stacktrace/0 used following a 'try' expression " + "may stop working in a future release. (Use it inside 'try'.)"; format_error({deprecated, MFA, ReplacementMFA, Rel}) -> io_lib:format("~s is deprecated and will be removed in ~s; use ~s", [format_mfa(MFA), Rel, format_mfa(ReplacementMFA)]); @@ -568,7 +586,10 @@ start(File, Opts) -> false, Opts)}, {missing_spec_all, bool_option(warn_missing_spec_all, nowarn_missing_spec_all, - false, Opts)} + false, Opts)}, + {get_stacktrace, + bool_option(warn_get_stacktrace, nowarn_get_stacktrace, + true, Opts)} ], Enabled1 = [Category || {Category,true} <- Enabled0], Enabled = ordsets:from_list(Enabled1), @@ -1405,8 +1426,9 @@ call_function(Line, F, A, #lint{usage=Usage0,called=Cd,func=Func,file=File}=St) %% function(Line, Name, Arity, Clauses, State) -> State. function(Line, Name, Arity, Cs, St0) -> - St1 = define_function(Line, Name, Arity, St0#lint{func={Name,Arity}}), - clauses(Cs, St1). + St1 = St0#lint{func={Name,Arity},catch_scope=none}, + St2 = define_function(Line, Name, Arity, St1), + clauses(Cs, St2). -spec define_function(line(), atom(), arity(), lint_state()) -> lint_state(). @@ -2338,22 +2360,24 @@ expr({call,Line,F,As}, Vt, St0) -> expr({'try',Line,Es,Scs,Ccs,As}, Vt, St0) -> %% Currently, we don't allow any exports because later %% passes cannot handle exports in combination with 'after'. - {Evt0,St1} = exprs(Es, Vt, St0), + {Evt0,St1} = exprs(Es, Vt, St0#lint{catch_scope=wrong_part_of_try}), TryLine = {'try',Line}, Uvt = vtunsafe(TryLine, Evt0, Vt), Evt1 = vtupdate(Uvt, Evt0), - {Sccs,St2} = icrt_clauses(Scs++Ccs, TryLine, vtupdate(Evt1, Vt), St1), + {Sccs,St2} = try_clauses(Scs, Ccs, TryLine, + vtupdate(Evt1, Vt), St1), Rvt0 = Sccs, Rvt1 = vtupdate(vtunsafe(TryLine, Rvt0, Vt), Rvt0), Evt2 = vtmerge(Evt1, Rvt1), {Avt0,St} = exprs(As, vtupdate(Evt2, Vt), St2), Avt1 = vtupdate(vtunsafe(TryLine, Avt0, Vt), Avt0), Avt = vtmerge(Evt2, Avt1), - {Avt,St}; + {Avt,St#lint{catch_scope=after_try}}; expr({'catch',Line,E}, Vt, St0) -> %% No new variables added, flag new variables as unsafe. {Evt,St} = expr(E, Vt, St0), - {vtupdate(vtunsafe({'catch',Line}, Evt, Vt), Evt),St}; + {vtupdate(vtunsafe({'catch',Line}, Evt, Vt), Evt), + St#lint{catch_scope=after_old_catch}}; expr({match,_Line,P,E}, Vt, St0) -> {Evt,St1} = expr(E, Vt, St0), {Pvt,Bvt,St2} = pattern(P, vtupdate(Evt, Vt), St1), @@ -3173,6 +3197,17 @@ is_module_dialyzer_option(Option) -> error_handling,race_conditions,no_missing_calls, specdiffs,overspecs,underspecs,unknown]). +%% try_catch_clauses(Scs, Ccs, In, ImportVarTable, State) -> +%% {UpdVt,State}. + +try_clauses(Scs, Ccs, In, Vt, St0) -> + {Csvt0,St1} = icrt_clauses(Scs, Vt, St0), + St2 = St1#lint{catch_scope=try_catch}, + {Csvt1,St3} = icrt_clauses(Ccs, Vt, St2), + Csvt = Csvt0 ++ Csvt1, + UpdVt = icrt_export(Csvt, Vt, In, St3), + {UpdVt,St3}. + %% icrt_clauses(Clauses, In, ImportVarTable, State) -> %% {UpdVt,State}. @@ -3657,7 +3692,8 @@ has_wildcard_field([]) -> false. check_remote_function(Line, M, F, As, St0) -> St1 = deprecated_function(Line, M, F, As, St0), St2 = check_qlc_hrl(Line, M, F, As, St1), - format_function(Line, M, F, As, St2). + St3 = check_get_stacktrace(Line, M, F, As, St2), + format_function(Line, M, F, As, St3). %% check_qlc_hrl(Line, ModName, FuncName, [Arg], State) -> State %% Add warning if qlc:q/1,2 has been called but qlc.hrl has not @@ -3706,6 +3742,23 @@ deprecated_function(Line, M, F, As, St) -> St end. +check_get_stacktrace(Line, erlang, get_stacktrace, [], St) -> + case St of + #lint{catch_scope=none} -> + St; + #lint{catch_scope=try_catch} -> + St; + #lint{catch_scope=Scope} -> + case is_warn_enabled(get_stacktrace, St) of + false -> + St; + true -> + add_warning(Line, {get_stacktrace,Scope}, St) + end + end; +check_get_stacktrace(_, _, _, _, St) -> + St. + -dialyzer({no_match, deprecated_type/5}). deprecated_type(L, M, N, As, St) -> diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl index 597830cf9a..257c829801 100644 --- a/lib/stdlib/src/gen.erl +++ b/lib/stdlib/src/gen.erl @@ -26,7 +26,7 @@ %%% %%% The standard behaviour should export init_it/6. %%%----------------------------------------------------------------- --export([start/5, start/6, debug_options/2, +-export([start/5, start/6, debug_options/2, hibernate_after/1, name/1, unregister_name/1, get_proc_name/1, get_parent/0, call/3, call/4, reply/2, stop/1, stop/3]). @@ -408,6 +408,14 @@ spawn_opts(Options) -> [] end. +hibernate_after(Options) -> + case lists:keyfind(hibernate_after, 1, Options) of + {_,HibernateAfterTimeout} -> + HibernateAfterTimeout; + false -> + infinity + end. + debug_options(Name, Opts) -> case lists:keyfind(debug, 1, Opts) of {_,Options} -> diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl index 4c80464680..da2b0da3ca 100644 --- a/lib/stdlib/src/gen_event.erl +++ b/lib/stdlib/src/gen_event.erl @@ -37,7 +37,7 @@ stop/1, stop/3, notify/2, sync_notify/2, add_handler/3, add_sup_handler/3, delete_handler/3, swap_handler/3, - swap_sup_handler/3, which_handlers/1, call/3, call/4, wake_hib/4]). + swap_sup_handler/3, which_handlers/1, call/3, call/4, wake_hib/5]). -export([init_it/6, system_continue/3, @@ -186,8 +186,9 @@ init_it(Starter, Parent, Name0, _, _, Options) -> process_flag(trap_exit, true), Name = gen:name(Name0), Debug = gen:debug_options(Name, Options), + HibernateAfterTimeout = gen:hibernate_after(Options), proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, [], Debug, false). + loop(Parent, Name, [], HibernateAfterTimeout, Debug, false). -spec add_handler(emgr_ref(), handler(), term()) -> term(). add_handler(M, Handler, Args) -> rpc(M, {add_handler, Handler, Args}). @@ -264,81 +265,83 @@ send(M, Cmd) -> M ! Cmd, ok. -loop(Parent, ServerName, MSL, Debug, true) -> - proc_lib:hibernate(?MODULE, wake_hib, [Parent, ServerName, MSL, Debug]); -loop(Parent, ServerName, MSL, Debug, _) -> - fetch_msg(Parent, ServerName, MSL, Debug, false). +loop(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, true) -> + proc_lib:hibernate(?MODULE, wake_hib, [Parent, ServerName, MSL, HibernateAfterTimeout, Debug]); +loop(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, _) -> + fetch_msg(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, false). -wake_hib(Parent, ServerName, MSL, Debug) -> - fetch_msg(Parent, ServerName, MSL, Debug, true). +wake_hib(Parent, ServerName, MSL, HibernateAfterTimeout, Debug) -> + fetch_msg(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, true). -fetch_msg(Parent, ServerName, MSL, Debug, Hib) -> +fetch_msg(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, Hib) -> receive {system, From, Req} -> sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug, - [ServerName, MSL, Hib],Hib); + [ServerName, MSL, HibernateAfterTimeout, Hib],Hib); {'EXIT', Parent, Reason} -> terminate_server(Reason, Parent, MSL, ServerName); Msg when Debug =:= [] -> - handle_msg(Msg, Parent, ServerName, MSL, []); + handle_msg(Msg, Parent, ServerName, MSL, HibernateAfterTimeout, []); Msg -> Debug1 = sys:handle_debug(Debug, fun print_event/3, ServerName, {in, Msg}), - handle_msg(Msg, Parent, ServerName, MSL, Debug1) + handle_msg(Msg, Parent, ServerName, MSL, HibernateAfterTimeout, Debug1) + after HibernateAfterTimeout -> + loop(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, true) end. -handle_msg(Msg, Parent, ServerName, MSL, Debug) -> +handle_msg(Msg, Parent, ServerName, MSL, HibernateAfterTimeout, Debug) -> case Msg of {notify, Event} -> {Hib,MSL1} = server_notify(Event, handle_event, MSL, ServerName), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, Hib); {_From, Tag, {sync_notify, Event}} -> {Hib, MSL1} = server_notify(Event, handle_event, MSL, ServerName), reply(Tag, ok), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, Hib); {'EXIT', From, Reason} -> MSL1 = handle_exit(From, Reason, MSL, ServerName), - loop(Parent, ServerName, MSL1, Debug, false); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, false); {_From, Tag, {call, Handler, Query}} -> {Hib, Reply, MSL1} = server_call(Handler, Query, MSL, ServerName), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, Hib); {_From, Tag, {add_handler, Handler, Args}} -> {Hib, Reply, MSL1} = server_add_handler(Handler, Args, MSL), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, Hib); {_From, Tag, {add_sup_handler, Handler, Args, SupP}} -> {Hib, Reply, MSL1} = server_add_sup_handler(Handler, Args, MSL, SupP), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, Hib); {_From, Tag, {delete_handler, Handler, Args}} -> {Reply, MSL1} = server_delete_handler(Handler, Args, MSL, ServerName), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, false); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, false); {_From, Tag, {swap_handler, Handler1, Args1, Handler2, Args2}} -> {Hib, Reply, MSL1} = server_swap_handler(Handler1, Args1, Handler2, Args2, MSL, ServerName), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, Hib); {_From, Tag, {swap_sup_handler, Handler1, Args1, Handler2, Args2, Sup}} -> {Hib, Reply, MSL1} = server_swap_handler(Handler1, Args1, Handler2, Args2, MSL, Sup, ServerName), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, Hib); {_From, Tag, stop} -> catch terminate_server(normal, Parent, MSL, ServerName), reply(Tag, ok); {_From, Tag, which_handlers} -> reply(Tag, the_handlers(MSL)), - loop(Parent, ServerName, MSL, Debug, false); + loop(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, false); {_From, Tag, get_modules} -> reply(Tag, get_modules(MSL)), - loop(Parent, ServerName, MSL, Debug, false); + loop(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, false); Other -> {Hib, MSL1} = server_notify(Other, handle_info, MSL, ServerName), - loop(Parent, ServerName, MSL1, Debug, Hib) + loop(Parent, ServerName, MSL1, HibernateAfterTimeout, Debug, Hib) end. terminate_server(Reason, Parent, MSL, ServerName) -> @@ -392,18 +395,18 @@ terminate_supervised(Pid, Reason, MSL, SName) -> %%----------------------------------------------------------------- %% Callback functions for system messages handling. %%----------------------------------------------------------------- -system_continue(Parent, Debug, [ServerName, MSL, Hib]) -> - loop(Parent, ServerName, MSL, Debug, Hib). +system_continue(Parent, Debug, [ServerName, MSL, HibernateAfterTimeout, Hib]) -> + loop(Parent, ServerName, MSL, HibernateAfterTimeout, Debug, Hib). -spec system_terminate(_, _, _, [_]) -> no_return(). -system_terminate(Reason, Parent, _Debug, [ServerName, MSL, _Hib]) -> +system_terminate(Reason, Parent, _Debug, [ServerName, MSL, _HibernateAfterTimeout, _Hib]) -> terminate_server(Reason, Parent, MSL, ServerName). %%----------------------------------------------------------------- %% Module here is sent in the system msg change_code. It specifies %% which module should be changed. %%----------------------------------------------------------------- -system_code_change([ServerName, MSL, Hib], Module, OldVsn, Extra) -> +system_code_change([ServerName, MSL, HibernateAfterTimeout, Hib], Module, OldVsn, Extra) -> MSL1 = lists:zf(fun(H) when H#handler.module =:= Module -> {ok, NewState} = Module:code_change(OldVsn, @@ -412,12 +415,12 @@ system_code_change([ServerName, MSL, Hib], Module, OldVsn, Extra) -> (_) -> true end, MSL), - {ok, [ServerName, MSL1, Hib]}. + {ok, [ServerName, MSL1, HibernateAfterTimeout, Hib]}. -system_get_state([_ServerName, MSL, _Hib]) -> +system_get_state([_ServerName, MSL, _HibernateAfterTimeout, _Hib]) -> {ok, [{Mod,Id,State} || #handler{module=Mod, id=Id, state=State} <- MSL]}. -system_replace_state(StateFun, [ServerName, MSL, Hib]) -> +system_replace_state(StateFun, [ServerName, MSL, HibernateAfterTimeout, Hib]) -> {NMSL, NStates} = lists:unzip([begin Cur = {Mod,Id,State}, @@ -429,7 +432,7 @@ system_replace_state(StateFun, [ServerName, MSL, Hib]) -> {HS, Cur} end end || #handler{module=Mod, id=Id, state=State}=HS <- MSL]), - {ok, NStates, [ServerName, NMSL, Hib]}. + {ok, NStates, [ServerName, NMSL, HibernateAfterTimeout, Hib]}. %%----------------------------------------------------------------- %% Format debug messages. Print them as the call-back module sees @@ -798,7 +801,7 @@ get_modules(MSL) -> %% Status information %%----------------------------------------------------------------- format_status(Opt, StatusData) -> - [PDict, SysState, Parent, _Debug, [ServerName, MSL, _Hib]] = StatusData, + [PDict, SysState, Parent, _Debug, [ServerName, MSL, _HibernateAfterTimeout, _Hib]] = StatusData, Header = gen:format_status_header("Status for event handler", ServerName), FmtMSL = [case erlang:function_exported(Mod, format_status, 2) of diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl index f9d4286a7c..9ef0ca818c 100644 --- a/lib/stdlib/src/gen_fsm.erl +++ b/lib/stdlib/src/gen_fsm.erl @@ -113,7 +113,7 @@ sync_send_all_state_event/2, sync_send_all_state_event/3, reply/2, start_timer/2,send_event_after/2,cancel_timer/1, - enter_loop/4, enter_loop/5, enter_loop/6, wake_hib/6]). + enter_loop/4, enter_loop/5, enter_loop/6, wake_hib/7]). %% Internal exports -export([init_it/6, @@ -329,7 +329,8 @@ enter_loop(Mod, Options, StateName, StateData, ServerName, Timeout) -> Name = gen:get_proc_name(ServerName), Parent = gen:get_parent(), Debug = gen:debug_options(Name, Options), - loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug). + HibernateAfterTimeout = gen:hibernate_after(Options), + loop(Parent, Name, StateName, StateData, Mod, Timeout, HibernateAfterTimeout, Debug). %%% --------------------------------------------------- %%% Initiate the new process. @@ -343,13 +344,14 @@ init_it(Starter, self, Name, Mod, Args, Options) -> init_it(Starter, Parent, Name0, Mod, Args, Options) -> Name = gen:name(Name0), Debug = gen:debug_options(Name, Options), - case catch Mod:init(Args) of + HibernateAfterTimeout = gen:hibernate_after(Options), + case catch Mod:init(Args) of {ok, StateName, StateData} -> proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, StateName, StateData, Mod, infinity, Debug); + loop(Parent, Name, StateName, StateData, Mod, infinity, HibernateAfterTimeout, Debug); {ok, StateName, StateData, Timeout} -> proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug); + loop(Parent, Name, StateName, StateData, Mod, Timeout, HibernateAfterTimeout, Debug); {stop, Reason} -> gen:unregister_name(Name0), proc_lib:init_ack(Starter, {error, Reason}), @@ -371,68 +373,77 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> %%----------------------------------------------------------------- %% The MAIN loop %%----------------------------------------------------------------- -loop(Parent, Name, StateName, StateData, Mod, hibernate, Debug) -> +loop(Parent, Name, StateName, StateData, Mod, hibernate, HibernateAfterTimeout, Debug) -> proc_lib:hibernate(?MODULE,wake_hib, - [Parent, Name, StateName, StateData, Mod, + [Parent, Name, StateName, StateData, Mod, HibernateAfterTimeout, Debug]); -loop(Parent, Name, StateName, StateData, Mod, Time, Debug) -> + +loop(Parent, Name, StateName, StateData, Mod, infinity, HibernateAfterTimeout, Debug) -> + receive + Msg -> + decode_msg(Msg,Parent, Name, StateName, StateData, Mod, infinity, HibernateAfterTimeout, Debug, false) + after HibernateAfterTimeout -> + loop(Parent, Name, StateName, StateData, Mod, hibernate, HibernateAfterTimeout, Debug) + end; + +loop(Parent, Name, StateName, StateData, Mod, Time, HibernateAfterTimeout, Debug) -> Msg = receive Input -> Input after Time -> {'$gen_event', timeout} end, - decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, Debug, false). + decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, HibernateAfterTimeout, Debug, false). -wake_hib(Parent, Name, StateName, StateData, Mod, Debug) -> +wake_hib(Parent, Name, StateName, StateData, Mod, HibernateAfterTimeout, Debug) -> Msg = receive Input -> Input end, - decode_msg(Msg, Parent, Name, StateName, StateData, Mod, hibernate, Debug, true). + decode_msg(Msg, Parent, Name, StateName, StateData, Mod, hibernate, HibernateAfterTimeout, Debug, true). -decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, Debug, Hib) -> +decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, HibernateAfterTimeout, Debug, Hib) -> case Msg of {system, From, Req} -> sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug, - [Name, StateName, StateData, Mod, Time], Hib); + [Name, StateName, StateData, Mod, Time, HibernateAfterTimeout], Hib); {'EXIT', Parent, Reason} -> terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug); _Msg when Debug =:= [] -> - handle_msg(Msg, Parent, Name, StateName, StateData, Mod, Time); + handle_msg(Msg, Parent, Name, StateName, StateData, Mod, Time, HibernateAfterTimeout); _Msg -> Debug1 = sys:handle_debug(Debug, fun print_event/3, {Name, StateName}, {in, Msg}), handle_msg(Msg, Parent, Name, StateName, StateData, - Mod, Time, Debug1) + Mod, Time, HibernateAfterTimeout, Debug1) end. %%----------------------------------------------------------------- %% Callback functions for system messages handling. %%----------------------------------------------------------------- -system_continue(Parent, Debug, [Name, StateName, StateData, Mod, Time]) -> - loop(Parent, Name, StateName, StateData, Mod, Time, Debug). +system_continue(Parent, Debug, [Name, StateName, StateData, Mod, Time, HibernateAfterTimeout]) -> + loop(Parent, Name, StateName, StateData, Mod, Time, HibernateAfterTimeout, Debug). -spec system_terminate(term(), _, _, [term(),...]) -> no_return(). system_terminate(Reason, _Parent, Debug, - [Name, StateName, StateData, Mod, _Time]) -> + [Name, StateName, StateData, Mod, _Time, _HibernateAfterTimeout]) -> terminate(Reason, Name, [], Mod, StateName, StateData, Debug). -system_code_change([Name, StateName, StateData, Mod, Time], +system_code_change([Name, StateName, StateData, Mod, Time, HibernateAfterTimeout], _Module, OldVsn, Extra) -> case catch Mod:code_change(OldVsn, StateName, StateData, Extra) of {ok, NewStateName, NewStateData} -> - {ok, [Name, NewStateName, NewStateData, Mod, Time]}; + {ok, [Name, NewStateName, NewStateData, Mod, Time, HibernateAfterTimeout]}; Else -> Else end. -system_get_state([_Name, StateName, StateData, _Mod, _Time]) -> +system_get_state([_Name, StateName, StateData, _Mod, _Time, _HibernateAfterTimeout]) -> {ok, {StateName, StateData}}. -system_replace_state(StateFun, [Name, StateName, StateData, Mod, Time]) -> +system_replace_state(StateFun, [Name, StateName, StateData, Mod, Time, HibernateAfterTimeout]) -> Result = {NStateName, NStateData} = StateFun({StateName, StateData}), - {ok, Result, [Name, NStateName, NStateData, Mod, Time]}. + {ok, Result, [Name, NStateName, NStateData, Mod, Time, HibernateAfterTimeout]}. %%----------------------------------------------------------------- %% Format debug messages. Print them as the call-back module sees @@ -467,19 +478,19 @@ print_event(Dev, return, {Name, StateName}) -> io:format(Dev, "*DBG* ~p switched to state ~w~n", [Name, StateName]). -handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time) -> %No debug here +handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, HibernateAfterTimeout) -> %No debug here From = from(Msg), case catch dispatch(Msg, Mod, StateName, StateData) of {next_state, NStateName, NStateData} -> - loop(Parent, Name, NStateName, NStateData, Mod, infinity, []); + loop(Parent, Name, NStateName, NStateData, Mod, infinity, HibernateAfterTimeout, []); {next_state, NStateName, NStateData, Time1} -> - loop(Parent, Name, NStateName, NStateData, Mod, Time1, []); + loop(Parent, Name, NStateName, NStateData, Mod, Time1, HibernateAfterTimeout, []); {reply, Reply, NStateName, NStateData} when From =/= undefined -> reply(From, Reply), - loop(Parent, Name, NStateName, NStateData, Mod, infinity, []); + loop(Parent, Name, NStateName, NStateData, Mod, infinity, HibernateAfterTimeout, []); {reply, Reply, NStateName, NStateData, Time1} when From =/= undefined -> reply(From, Reply), - loop(Parent, Name, NStateName, NStateData, Mod, Time1, []); + loop(Parent, Name, NStateName, NStateData, Mod, Time1, HibernateAfterTimeout, []); {stop, Reason, NStateData} -> terminate(Reason, Name, Msg, Mod, StateName, NStateData, []); {stop, Reason, Reply, NStateData} when From =/= undefined -> @@ -490,7 +501,7 @@ handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time) -> %No debug her {'EXIT', {undef, [{Mod, handle_info, [_,_,_], _}|_]}} -> error_logger:warning_msg("** Undefined handle_info in ~p~n" "** Unhandled message: ~p~n", [Mod, Msg]), - loop(Parent, Name, StateName, StateData, Mod, infinity, []); + loop(Parent, Name, StateName, StateData, Mod, infinity, HibernateAfterTimeout, []); {'EXIT', What} -> terminate(What, Name, Msg, Mod, StateName, StateData, []); Reply -> @@ -498,23 +509,23 @@ handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time) -> %No debug her Name, Msg, Mod, StateName, StateData, []) end. -handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, Debug) -> +handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, HibernateAfterTimeout, Debug) -> From = from(Msg), case catch dispatch(Msg, Mod, StateName, StateData) of {next_state, NStateName, NStateData} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, {Name, NStateName}, return), - loop(Parent, Name, NStateName, NStateData, Mod, infinity, Debug1); + loop(Parent, Name, NStateName, NStateData, Mod, infinity, HibernateAfterTimeout, Debug1); {next_state, NStateName, NStateData, Time1} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, {Name, NStateName}, return), - loop(Parent, Name, NStateName, NStateData, Mod, Time1, Debug1); + loop(Parent, Name, NStateName, NStateData, Mod, Time1, HibernateAfterTimeout, Debug1); {reply, Reply, NStateName, NStateData} when From =/= undefined -> Debug1 = reply(Name, From, Reply, Debug, NStateName), - loop(Parent, Name, NStateName, NStateData, Mod, infinity, Debug1); + loop(Parent, Name, NStateName, NStateData, Mod, infinity, HibernateAfterTimeout, Debug1); {reply, Reply, NStateName, NStateData, Time1} when From =/= undefined -> Debug1 = reply(Name, From, Reply, Debug, NStateName), - loop(Parent, Name, NStateName, NStateData, Mod, Time1, Debug1); + loop(Parent, Name, NStateName, NStateData, Mod, Time1, HibernateAfterTimeout, Debug1); {stop, Reason, NStateData} -> terminate(Reason, Name, Msg, Mod, StateName, NStateData, Debug); {stop, Reason, Reply, NStateData} when From =/= undefined -> @@ -645,7 +656,7 @@ get_msg(Msg) -> Msg. %% Status information %%----------------------------------------------------------------- format_status(Opt, StatusData) -> - [PDict, SysState, Parent, Debug, [Name, StateName, StateData, Mod, _Time]] = + [PDict, SysState, Parent, Debug, [Name, StateName, StateData, Mod, _Time, _HibernateAfterTimeout]] = StatusData, Header = gen:format_status_header("Status for state machine", Name), diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl index e628fec00f..ba0a7ae8e5 100644 --- a/lib/stdlib/src/gen_server.erl +++ b/lib/stdlib/src/gen_server.erl @@ -94,7 +94,7 @@ cast/2, reply/2, abcast/2, abcast/3, multi_call/2, multi_call/3, multi_call/4, - enter_loop/3, enter_loop/4, enter_loop/5, wake_hib/5]). + enter_loop/3, enter_loop/4, enter_loop/5, wake_hib/6]). %% System exports -export([system_continue/3, @@ -307,7 +307,8 @@ enter_loop(Mod, Options, State, ServerName, Timeout) -> Name = gen:get_proc_name(ServerName), Parent = gen:get_parent(), Debug = gen:debug_options(Name, Options), - loop(Parent, Name, State, Mod, Timeout, Debug). + HibernateAfterTimeout = gen:hibernate_after(Options), + loop(Parent, Name, State, Mod, Timeout, HibernateAfterTimeout, Debug). %%%======================================================================== %%% Gen-callback functions @@ -325,13 +326,14 @@ init_it(Starter, self, Name, Mod, Args, Options) -> init_it(Starter, Parent, Name0, Mod, Args, Options) -> Name = gen:name(Name0), Debug = gen:debug_options(Name, Options), + HibernateAfterTimeout = gen:hibernate_after(Options), case catch Mod:init(Args) of {ok, State} -> proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, State, Mod, infinity, Debug); + loop(Parent, Name, State, Mod, infinity, HibernateAfterTimeout, Debug); {ok, State, Timeout} -> proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, State, Mod, Timeout, Debug); + loop(Parent, Name, State, Mod, Timeout, HibernateAfterTimeout, Debug); {stop, Reason} -> %% For consistency, we must make sure that the %% registered name (if any) is unregistered before @@ -362,37 +364,46 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> %%% --------------------------------------------------- %%% The MAIN loop. %%% --------------------------------------------------- -loop(Parent, Name, State, Mod, hibernate, Debug) -> - proc_lib:hibernate(?MODULE,wake_hib,[Parent, Name, State, Mod, Debug]); -loop(Parent, Name, State, Mod, Time, Debug) -> +loop(Parent, Name, State, Mod, hibernate, HibernateAfterTimeout, Debug) -> + proc_lib:hibernate(?MODULE,wake_hib,[Parent, Name, State, Mod, HibernateAfterTimeout, Debug]); + +loop(Parent, Name, State, Mod, infinity, HibernateAfterTimeout, Debug) -> + receive + Msg -> + decode_msg(Msg, Parent, Name, State, Mod, infinity, HibernateAfterTimeout, Debug, false) + after HibernateAfterTimeout -> + loop(Parent, Name, State, Mod, hibernate, HibernateAfterTimeout, Debug) + end; + +loop(Parent, Name, State, Mod, Time, HibernateAfterTimeout, Debug) -> Msg = receive Input -> Input after Time -> timeout end, - decode_msg(Msg, Parent, Name, State, Mod, Time, Debug, false). + decode_msg(Msg, Parent, Name, State, Mod, Time, HibernateAfterTimeout, Debug, false). -wake_hib(Parent, Name, State, Mod, Debug) -> +wake_hib(Parent, Name, State, Mod, HibernateAfterTimeout, Debug) -> Msg = receive Input -> Input end, - decode_msg(Msg, Parent, Name, State, Mod, hibernate, Debug, true). + decode_msg(Msg, Parent, Name, State, Mod, hibernate, HibernateAfterTimeout, Debug, true). -decode_msg(Msg, Parent, Name, State, Mod, Time, Debug, Hib) -> +decode_msg(Msg, Parent, Name, State, Mod, Time, HibernateAfterTimeout, Debug, Hib) -> case Msg of {system, From, Req} -> sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug, - [Name, State, Mod, Time], Hib); + [Name, State, Mod, Time, HibernateAfterTimeout], Hib); {'EXIT', Parent, Reason} -> terminate(Reason, Name, undefined, Msg, Mod, State, Debug); _Msg when Debug =:= [] -> - handle_msg(Msg, Parent, Name, State, Mod); + handle_msg(Msg, Parent, Name, State, Mod, HibernateAfterTimeout); _Msg -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {in, Msg}), - handle_msg(Msg, Parent, Name, State, Mod, Debug1) + handle_msg(Msg, Parent, Name, State, Mod, HibernateAfterTimeout, Debug1) end. %%% --------------------------------------------------- @@ -659,65 +670,65 @@ try_terminate(Mod, Reason, State) -> %%% Message handling functions %%% --------------------------------------------------- -handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod) -> +handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod, HibernateAfterTimeout) -> Result = try_handle_call(Mod, Msg, From, State), case Result of {ok, {reply, Reply, NState}} -> reply(From, Reply), - loop(Parent, Name, NState, Mod, infinity, []); + loop(Parent, Name, NState, Mod, infinity, HibernateAfterTimeout, []); {ok, {reply, Reply, NState, Time1}} -> reply(From, Reply), - loop(Parent, Name, NState, Mod, Time1, []); + loop(Parent, Name, NState, Mod, Time1, HibernateAfterTimeout, []); {ok, {noreply, NState}} -> - loop(Parent, Name, NState, Mod, infinity, []); + loop(Parent, Name, NState, Mod, infinity, HibernateAfterTimeout, []); {ok, {noreply, NState, Time1}} -> - loop(Parent, Name, NState, Mod, Time1, []); + loop(Parent, Name, NState, Mod, Time1, HibernateAfterTimeout, []); {ok, {stop, Reason, Reply, NState}} -> {'EXIT', R} = (catch terminate(Reason, Name, From, Msg, Mod, NState, [])), reply(From, Reply), exit(R); - Other -> handle_common_reply(Other, Parent, Name, From, Msg, Mod, State) + Other -> handle_common_reply(Other, Parent, Name, From, Msg, Mod, HibernateAfterTimeout, State) end; -handle_msg(Msg, Parent, Name, State, Mod) -> +handle_msg(Msg, Parent, Name, State, Mod, HibernateAfterTimeout) -> Reply = try_dispatch(Msg, Mod, State), - handle_common_reply(Reply, Parent, Name, undefined, Msg, Mod, State). + handle_common_reply(Reply, Parent, Name, undefined, Msg, Mod, HibernateAfterTimeout, State). -handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod, Debug) -> +handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod, HibernateAfterTimeout, Debug) -> Result = try_handle_call(Mod, Msg, From, State), case Result of {ok, {reply, Reply, NState}} -> Debug1 = reply(Name, From, Reply, NState, Debug), - loop(Parent, Name, NState, Mod, infinity, Debug1); + loop(Parent, Name, NState, Mod, infinity, HibernateAfterTimeout, Debug1); {ok, {reply, Reply, NState, Time1}} -> Debug1 = reply(Name, From, Reply, NState, Debug), - loop(Parent, Name, NState, Mod, Time1, Debug1); + loop(Parent, Name, NState, Mod, Time1, HibernateAfterTimeout, Debug1); {ok, {noreply, NState}} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {noreply, NState}), - loop(Parent, Name, NState, Mod, infinity, Debug1); + loop(Parent, Name, NState, Mod, infinity, HibernateAfterTimeout, Debug1); {ok, {noreply, NState, Time1}} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {noreply, NState}), - loop(Parent, Name, NState, Mod, Time1, Debug1); + loop(Parent, Name, NState, Mod, Time1, HibernateAfterTimeout, Debug1); {ok, {stop, Reason, Reply, NState}} -> {'EXIT', R} = (catch terminate(Reason, Name, From, Msg, Mod, NState, Debug)), _ = reply(Name, From, Reply, NState, Debug), exit(R); Other -> - handle_common_reply(Other, Parent, Name, From, Msg, Mod, State, Debug) + handle_common_reply(Other, Parent, Name, From, Msg, Mod, HibernateAfterTimeout, State, Debug) end; -handle_msg(Msg, Parent, Name, State, Mod, Debug) -> +handle_msg(Msg, Parent, Name, State, Mod, HibernateAfterTimeout, Debug) -> Reply = try_dispatch(Msg, Mod, State), - handle_common_reply(Reply, Parent, Name, undefined, Msg, Mod, State, Debug). + handle_common_reply(Reply, Parent, Name, undefined, Msg, Mod, HibernateAfterTimeout, State, Debug). -handle_common_reply(Reply, Parent, Name, From, Msg, Mod, State) -> +handle_common_reply(Reply, Parent, Name, From, Msg, Mod, HibernateAfterTimeout, State) -> case Reply of {ok, {noreply, NState}} -> - loop(Parent, Name, NState, Mod, infinity, []); + loop(Parent, Name, NState, Mod, infinity, HibernateAfterTimeout, []); {ok, {noreply, NState, Time1}} -> - loop(Parent, Name, NState, Mod, Time1, []); + loop(Parent, Name, NState, Mod, Time1, HibernateAfterTimeout, []); {ok, {stop, Reason, NState}} -> terminate(Reason, Name, From, Msg, Mod, NState, []); {'EXIT', ExitReason, ReportReason} -> @@ -726,16 +737,16 @@ handle_common_reply(Reply, Parent, Name, From, Msg, Mod, State) -> terminate({bad_return_value, BadReply}, Name, From, Msg, Mod, State, []) end. -handle_common_reply(Reply, Parent, Name, From, Msg, Mod, State, Debug) -> +handle_common_reply(Reply, Parent, Name, From, Msg, Mod, HibernateAfterTimeout, State, Debug) -> case Reply of {ok, {noreply, NState}} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {noreply, NState}), - loop(Parent, Name, NState, Mod, infinity, Debug1); + loop(Parent, Name, NState, Mod, infinity, HibernateAfterTimeout, Debug1); {ok, {noreply, NState, Time1}} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {noreply, NState}), - loop(Parent, Name, NState, Mod, Time1, Debug1); + loop(Parent, Name, NState, Mod, Time1, HibernateAfterTimeout, Debug1); {ok, {stop, Reason, NState}} -> terminate(Reason, Name, From, Msg, Mod, NState, Debug); {'EXIT', ExitReason, ReportReason} -> @@ -753,26 +764,26 @@ reply(Name, {To, Tag}, Reply, State, Debug) -> %%----------------------------------------------------------------- %% Callback functions for system messages handling. %%----------------------------------------------------------------- -system_continue(Parent, Debug, [Name, State, Mod, Time]) -> - loop(Parent, Name, State, Mod, Time, Debug). +system_continue(Parent, Debug, [Name, State, Mod, Time, HibernateAfterTimeout]) -> + loop(Parent, Name, State, Mod, Time, HibernateAfterTimeout, Debug). -spec system_terminate(_, _, _, [_]) -> no_return(). -system_terminate(Reason, _Parent, Debug, [Name, State, Mod, _Time]) -> +system_terminate(Reason, _Parent, Debug, [Name, State, Mod, _Time, _HibernateAfterTimeout]) -> terminate(Reason, Name, undefined, [], Mod, State, Debug). -system_code_change([Name, State, Mod, Time], _Module, OldVsn, Extra) -> +system_code_change([Name, State, Mod, Time, HibernateAfterTimeout], _Module, OldVsn, Extra) -> case catch Mod:code_change(OldVsn, State, Extra) of - {ok, NewState} -> {ok, [Name, NewState, Mod, Time]}; + {ok, NewState} -> {ok, [Name, NewState, Mod, Time, HibernateAfterTimeout]}; Else -> Else end. -system_get_state([_Name, State, _Mod, _Time]) -> +system_get_state([_Name, State, _Mod, _Time, _HibernateAfterTimeout]) -> {ok, State}. -system_replace_state(StateFun, [Name, State, Mod, Time]) -> +system_replace_state(StateFun, [Name, State, Mod, Time, HibernateAfterTimeout]) -> NState = StateFun(State), - {ok, NState, [Name, NState, Mod, Time]}. + {ok, NState, [Name, NState, Mod, Time, HibernateAfterTimeout]}. %%----------------------------------------------------------------- %% Format debug messages. Print them as the call-back module sees @@ -802,10 +813,10 @@ print_event(Dev, Event, Name) -> %%% Terminate the server. %%% --------------------------------------------------- + -spec terminate(_, _, _, _, _, _, _) -> no_return(). terminate(Reason, Name, From, Msg, Mod, State, Debug) -> terminate(Reason, Reason, Name, From, Msg, Mod, State, Debug). - -spec terminate(_, _, _, _, _, _, _, _) -> no_return(). terminate(ExitReason, ReportReason, Name, From, Msg, Mod, State, Debug) -> Reply = try_terminate(Mod, ExitReason, State), @@ -851,7 +862,7 @@ error_info(Reason, Name, From, Msg, State, Debug) -> end; _ -> Reason - end, + end, {ClientFmt, ClientArgs} = client_stacktrace(From), format("** Generic server ~p terminating \n" "** Last message in was ~p~n" @@ -860,7 +871,6 @@ error_info(Reason, Name, From, Msg, State, Debug) -> [Name, Msg, State, Reason1] ++ ClientArgs), sys:print_log(Debug), ok. - client_stacktrace(undefined) -> {"", []}; client_stacktrace({From, _Tag}) -> @@ -885,7 +895,7 @@ client_stacktrace(From) when is_pid(From) -> %% Status information %%----------------------------------------------------------------- format_status(Opt, StatusData) -> - [PDict, SysState, Parent, Debug, [Name, State, Mod, _Time]] = StatusData, + [PDict, SysState, Parent, Debug, [Name, State, Mod, _Time, _HibernateAfterTimeout]] = StatusData, Header = gen:format_status_header("Status for generic server", Name), Log = sys:get_debug(log, Debug, []), Specfic = case format_status(Opt, Mod, PDict, State) of diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl index 6f566b8beb..86109f04b4 100644 --- a/lib/stdlib/src/gen_statem.erl +++ b/lib/stdlib/src/gen_statem.erl @@ -369,9 +369,12 @@ event_type(Type) -> Dbgs :: ['trace' | 'log' | 'statistics' | 'debug' | {'logfile', string()}]}. +-type hibernate_after_opt() :: + {'hibernate_after', HibernateAfterTimeout :: timeout()}. -type start_opt() :: debug_opt() | {'timeout', Time :: timeout()} + | hibernate_after_opt() | {'spawn_opt', [proc_lib:spawn_option()]}. -type start_ret() :: {'ok', pid()} | 'ignore' | {'error', term()}. @@ -544,14 +547,14 @@ reply({To,Tag}, Reply) when is_pid(To) -> %% started by proc_lib into a state machine using %% the same arguments as you would have returned from init/1 -spec enter_loop( - Module :: module(), Opts :: [debug_opt()], + Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()], State :: state(), Data :: data()) -> no_return(). enter_loop(Module, Opts, State, Data) -> enter_loop(Module, Opts, State, Data, self()). %% -spec enter_loop( - Module :: module(), Opts :: [debug_opt()], + Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()], State :: state(), Data :: data(), Server_or_Actions :: server_name() | pid() | [action()]) -> @@ -565,7 +568,7 @@ enter_loop(Module, Opts, State, Data, Server_or_Actions) -> end. %% -spec enter_loop( - Module :: module(), Opts :: [debug_opt()], + Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()], State :: state(), Data :: data(), Server :: server_name() | pid(), Actions :: [action()] | action()) -> @@ -605,7 +608,8 @@ enter(Module, Opts, State, Data, Server, Actions, Parent) -> %% The values should already have been type checked Name = gen:get_proc_name(Server), Debug = gen:debug_options(Name, Opts), - Events = [], + HibernateAfterTimeout = gen:hibernate_after(Opts), + Events = [], P = [], Event = {internal,init_state}, %% We enforce {postpone,false} to ensure that @@ -648,6 +652,7 @@ enter(Module, Opts, State, Data, Server, Actions, Parent) -> timer_refs => TimerRefs, timer_types => TimerTypes, hibernate => Hibernate, + hibernate_after => HibernateAfterTimeout, cancel_timers => CancelTimers }, NewDebug = sys_debug(Debug, S, State, {enter,Event,State}), @@ -854,7 +859,7 @@ loop_hibernate(Parent, Debug, S) -> {wakeup_from_hibernate,3}}). %% Entry point for wakeup_from_hibernate/3 -loop_receive(Parent, Debug, S) -> +loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> receive Msg -> case Msg of @@ -956,6 +961,9 @@ loop_receive(Parent, Debug, S) -> loop_receive_result( Parent, Debug, S, Hibernate, Event) end + after + HibernateAfterTimeout -> + loop_hibernate(Parent, Debug, S) end. loop_receive_result( diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl index 20aaa2638c..535ca57a6b 100644 --- a/lib/stdlib/src/qlc.erl +++ b/lib/stdlib/src/qlc.erl @@ -1392,8 +1392,10 @@ next_loop(Pid, L, N) when N =/= 0 -> {caught, throw, Error, [?THROWN_ERROR | _]} -> Error; {caught, Class, Reason, Stacktrace} -> - _ = (catch erlang:error(foo)), - erlang:raise(Class, Reason, Stacktrace ++ erlang:get_stacktrace()); + CurrentStacktrace = try erlang:error(foo) + catch error:_ -> erlang:get_stacktrace() + end, + erlang:raise(Class, Reason, Stacktrace ++ CurrentStacktrace); error -> erlang:error({qlc_cursor_pid_no_longer_exists, Pid}) end; diff --git a/lib/stdlib/test/dummy_h.erl b/lib/stdlib/test/dummy_h.erl index 45ccfee240..7a9eb11f98 100644 --- a/lib/stdlib/test/dummy_h.erl +++ b/lib/stdlib/test/dummy_h.erl @@ -43,6 +43,9 @@ handle_event(hibernate, _State) -> {ok,[],hibernate}; handle_event(wakeup, _State) -> {ok,[]}; +handle_event({From, handle_event}, _State) -> + From ! handled_event, + {ok,[]}; handle_event(Event, Parent) -> Parent ! {dummy_h, Event}, {ok, Parent}. @@ -75,6 +78,9 @@ handle_info(wake, _State) -> {ok, []}; handle_info(gnurf, _State) -> {ok, []}; +handle_info({From, handle_info}, _State) -> + From ! handled_info, + {ok, []}; handle_info(Info, Parent) -> Parent ! {dummy_h, Info}, {ok, Parent}. diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl index 03cad2c093..02524679fa 100644 --- a/lib/stdlib/test/erl_lint_SUITE.erl +++ b/lib/stdlib/test/erl_lint_SUITE.erl @@ -65,7 +65,8 @@ maps/1,maps_type/1,maps_parallel_match/1, otp_11851/1,otp_11879/1,otp_13230/1, record_errors/1, otp_11879_cont/1, - non_latin1_module/1, otp_14323/1]). + non_latin1_module/1, otp_14323/1, + get_stacktrace/1]). suite() -> [{ct_hooks,[ts_install_cth]}, @@ -85,7 +86,8 @@ all() -> too_many_arguments, basic_errors, bin_syntax_errors, predef, maps, maps_type, maps_parallel_match, otp_11851, otp_11879, otp_13230, - record_errors, otp_11879_cont, non_latin1_module, otp_14323]. + record_errors, otp_11879_cont, non_latin1_module, otp_14323, + get_stacktrace]. groups() -> [{unused_vars_warn, [], @@ -3980,6 +3982,63 @@ otp_14323(Config) -> [] = run(Config, Ts), ok. +get_stacktrace(Config) -> + Ts = [{old_catch, + <<"t1() -> + catch error(foo), + erlang:get_stacktrace(). + ">>, + [], + {warnings,[{3,erl_lint,{get_stacktrace,after_old_catch}}]}}, + {nowarn_get_stacktrace, + <<"t1() -> + catch error(foo), + erlang:get_stacktrace(). + ">>, + [nowarn_get_stacktrace], + []}, + {try_catch, + <<"t1(X) -> + try abs(X) of + _ -> + erlang:get_stacktrace() + catch + _:_ -> ok + end. + + t2() -> + try error(foo) + catch _:_ -> ok + end, + erlang:get_stacktrace(). + + t3() -> + try error(foo) + catch _:_ -> + try error(bar) + catch _:_ -> + ok + end, + erlang:get_stacktrace() + end. + + no_warning(X) -> + try + abs(X) + catch + _:_ -> + erlang:get_stacktrace() + end. + ">>, + [], + {warnings,[{4,erl_lint,{get_stacktrace,wrong_part_of_try}}, + {13,erl_lint,{get_stacktrace,after_try}}, + {22,erl_lint,{get_stacktrace,after_try}}]}}], + + run(Config, Ts), + ok. + + run(Config, Tests) -> F = fun({N,P,Ws,E}, BadL) -> case catch run_test(Config, P, Ws) of diff --git a/lib/stdlib/test/gen_event_SUITE.erl b/lib/stdlib/test/gen_event_SUITE.erl index 749920f843..880b10117c 100644 --- a/lib/stdlib/test/gen_event_SUITE.erl +++ b/lib/stdlib/test/gen_event_SUITE.erl @@ -26,7 +26,7 @@ end_per_testcase/2]). -export([start/1, add_handler/1, add_sup_handler/1, delete_handler/1, swap_handler/1, swap_sup_handler/1, - notify/1, sync_notify/1, call/1, info/1, hibernate/1, + notify/1, sync_notify/1, call/1, info/1, hibernate/1, auto_hibernate/1, call_format_status/1, call_format_status_anon/1, error_format_status/1, get_state/1, replace_state/1, start_opt/1, @@ -37,7 +37,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [start, {group, test_all}, hibernate, + [start, {group, test_all}, hibernate, auto_hibernate, call_format_status, call_format_status_anon, error_format_status, get_state, replace_state, start_opt, {group, undef_callbacks}, undef_in_terminate]. @@ -306,6 +306,48 @@ hibernate(Config) when is_list(Config) -> ok. +auto_hibernate(Config) when is_list(Config) -> + HibernateAfterTimeout = 100, + State = {auto_hibernate_state}, + {ok,Pid} = gen_event:start({local, auto_hibernate_handler}, [{hibernate_after, HibernateAfterTimeout}]), + %% After init test + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + ok = gen_event:add_handler(auto_hibernate_handler, dummy_h, [State]), + %% Get state test + [{dummy_h,false,State}] = sys:get_state(Pid), + is_in_erlang_hibernate(Pid), + %% Call test + {ok, hejhopp} = gen_event:call(auto_hibernate_handler, dummy_h, hejsan), + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Event test + ok = gen_event:notify(auto_hibernate_handler, {self(), handle_event}), + receive + handled_event -> + ok + after 1000 -> + ct:fail(event) + end, + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Info test + Pid ! {self(), handle_info}, + receive + handled_info -> + ok + after 1000 -> + ct:fail(info) + end, + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + ok = gen_event:stop(auto_hibernate_handler), + ok. + is_in_erlang_hibernate(Pid) -> receive after 1 -> ok end, is_in_erlang_hibernate_1(200, Pid). diff --git a/lib/stdlib/test/gen_fsm_SUITE.erl b/lib/stdlib/test/gen_fsm_SUITE.erl index 7f98526d35..86cf58566b 100644 --- a/lib/stdlib/test/gen_fsm_SUITE.erl +++ b/lib/stdlib/test/gen_fsm_SUITE.erl @@ -44,7 +44,7 @@ -export([undef_in_handle_info/1, undef_in_terminate/1]). --export([hibernate/1,hiber_idle/3,hiber_wakeup/3,hiber_idle/2,hiber_wakeup/2]). +-export([hibernate/1,auto_hibernate/1,hiber_idle/3,hiber_wakeup/3,hiber_idle/2,hiber_wakeup/2]). -export([enter_loop/1]). @@ -68,7 +68,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [{group, start}, {group, abnormal}, shutdown, - {group, sys}, hibernate, enter_loop, {group, undef_callbacks}, + {group, sys}, hibernate, auto_hibernate, enter_loop, {group, undef_callbacks}, undef_in_handle_info, undef_in_terminate]. groups() -> @@ -700,6 +700,43 @@ hibernate(Config) when is_list(Config) -> process_flag(trap_exit, OldFl), ok. +%% Auto hibernation +auto_hibernate(Config) when is_list(Config) -> + OldFl = process_flag(trap_exit, true), + HibernateAfterTimeout = 100, + State = {auto_hibernate_state}, + {ok, Pid} = gen_fsm:start_link({local, my_test_name_auto_hibernate}, ?MODULE, {state_data, State}, [{hibernate_after, HibernateAfterTimeout}]), + %% After init test + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Get state test + {_, State} = sys:get_state(my_test_name_auto_hibernate), + is_in_erlang_hibernate(Pid), + %% Sync send event test + 'alive!' = gen_fsm:sync_send_event(Pid,'alive?'), + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Send event test + ok = gen_fsm:send_all_state_event(Pid,{'alive?', self()}), + wfor(yes), + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Info test + Pid ! {self(), handle_info}, + wfor({Pid, handled_info}), + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + stop_it(Pid), + receive + {'EXIT',Pid,normal} -> ok + end, + process_flag(trap_exit, OldFl), + ok. + is_in_erlang_hibernate(Pid) -> receive after 1 -> ok end, is_in_erlang_hibernate_1(200, Pid). @@ -1151,6 +1188,8 @@ idle(badreturn, _From, _Data) -> idle({timeout,Time}, From, _Data) -> gen_fsm:send_event_after(Time, {timeout,Time}), {next_state, timeout, From}; +idle('alive?', _From, Data) -> + {reply, 'alive!', idle, Data}; idle(_, _From, Data) -> {reply, 'eh?', idle, Data}. @@ -1226,6 +1265,9 @@ handle_info(hibernate_later, _SName, _State) -> handle_info({call_undef_fun, {Mod, Fun}}, State, Data) -> Mod:Fun(), {next_state, State, Data}; +handle_info({From, handle_info}, SName, State) -> + From ! {self(), handled_info}, + {next_state, SName, State}; handle_info(Info, _State, Data) -> {stop, {unexpected,Info}, Data}. diff --git a/lib/stdlib/test/gen_server_SUITE.erl b/lib/stdlib/test/gen_server_SUITE.erl index 6f72034b09..7e3c71715e 100644 --- a/lib/stdlib/test/gen_server_SUITE.erl +++ b/lib/stdlib/test/gen_server_SUITE.erl @@ -32,7 +32,7 @@ call_remote_n1/1, call_remote_n2/1, call_remote_n3/1, spec_init/1, spec_init_local_registered_parent/1, spec_init_global_registered_parent/1, - otp_5854/1, hibernate/1, otp_7669/1, call_format_status/1, + otp_5854/1, hibernate/1, auto_hibernate/1, otp_7669/1, call_format_status/1, error_format_status/1, terminate_crash_format/1, get_state/1, replace_state/1, call_with_huge_message_queue/1, undef_handle_call/1, undef_handle_cast/1, undef_handle_info/1, @@ -65,7 +65,7 @@ all() -> call_remote3, call_remote_n1, call_remote_n2, call_remote_n3, spec_init, spec_init_local_registered_parent, - spec_init_global_registered_parent, otp_5854, hibernate, + spec_init_global_registered_parent, otp_5854, hibernate, auto_hibernate, otp_7669, call_format_status, error_format_status, terminate_crash_format, get_state, replace_state, @@ -730,6 +730,58 @@ hibernate(Config) when is_list(Config) -> process_flag(trap_exit, OldFl), ok. +auto_hibernate(Config) when is_list(Config) -> + OldFl = process_flag(trap_exit, true), + HibernateAfterTimeout = 100, + State = {auto_hibernate_state}, + {ok, Pid} = + gen_server:start_link({local, my_test_name_auto_hibernate}, + gen_server_SUITE, {state,State}, [{hibernate_after, HibernateAfterTimeout}]), + %% After init test + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Get state test + State = sys:get_state(my_test_name_auto_hibernate), + is_in_erlang_hibernate(Pid), + %% Call test + ok = gen_server:call(my_test_name_auto_hibernate, started_p), + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Cast test + ok = gen_server:cast(my_test_name_auto_hibernate, {self(),handle_cast}), + receive + {Pid, handled_cast} -> + ok + after 1000 -> + ct:fail(cast) + end, + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Info test + Pid ! {self(),handle_info}, + receive + {Pid, handled_info} -> + ok + after 1000 -> + ct:fail(info) + end, + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + + ok = gen_server:call(my_test_name_auto_hibernate, stop), + receive + {'EXIT', Pid, stopped} -> + ok + after 5000 -> + ct:fail(gen_server_did_not_die) + end, + process_flag(trap_exit, OldFl), + ok. + is_in_erlang_hibernate(Pid) -> receive after 1 -> ok end, is_in_erlang_hibernate_1(200, Pid). @@ -747,6 +799,23 @@ is_in_erlang_hibernate_1(N, Pid) -> is_in_erlang_hibernate_1(N-1, Pid) end. +is_not_in_erlang_hibernate(Pid) -> + receive after 1 -> ok end, + is_not_in_erlang_hibernate_1(200, Pid). + +is_not_in_erlang_hibernate_1(0, Pid) -> + io:format("~p\n", [erlang:process_info(Pid, current_function)]), + ct:fail(not_in_erlang_hibernate_3); +is_not_in_erlang_hibernate_1(N, Pid) -> + {current_function,MFA} = erlang:process_info(Pid, current_function), + case MFA of + {erlang,hibernate,3} -> + receive after 10 -> ok end, + is_not_in_erlang_hibernate_1(N-1, Pid); + _ -> + ok + end. + %% -------------------------------------- %% Test gen_server:abcast and handle_cast. %% Test all different return values from diff --git a/lib/stdlib/test/gen_statem_SUITE.erl b/lib/stdlib/test/gen_statem_SUITE.erl index 05934b3953..5b9daecfd3 100644 --- a/lib/stdlib/test/gen_statem_SUITE.erl +++ b/lib/stdlib/test/gen_statem_SUITE.erl @@ -40,7 +40,7 @@ all() -> shutdown, stop_and_reply, state_enter, event_order, state_timeout, event_types, generic_timers, code_change, {group, sys}, - hibernate, enter_loop, {group, undef_callbacks}, + hibernate, auto_hibernate, enter_loop, {group, undef_callbacks}, undef_in_terminate]. groups() -> @@ -1284,6 +1284,84 @@ hibernate(Config) -> end, ok = verify_empty_msgq(). +%% Auto-hibernation timeout +auto_hibernate(Config) -> + OldFl = process_flag(trap_exit, true), + HibernateAfterTimeout = 100, + + {ok,Pid} = + gen_statem:start_link( + ?MODULE, start_arg(Config, []), [{hibernate_after, HibernateAfterTimeout}]), + %% After init test + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% After info test + Pid ! {hping, self()}, + receive + {Pid, hpong} -> + ok + after 1000 -> + ct:fail(info) + end, + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% After cast test + ok = gen_statem:cast(Pid, {hping, self()}), + receive + {Pid, hpong} -> + ok + after 1000 -> + ct:fail(cast) + end, + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% After call test + hpong = gen_statem:call(Pid, hping), + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Timer test 1 + TimerTimeout1 = 50, + ok = gen_statem:call(Pid, {arm_htimer, self(), TimerTimeout1}), + is_not_in_erlang_hibernate(Pid), + timer:sleep(TimerTimeout1), + is_not_in_erlang_hibernate(Pid), + receive + {Pid, htimer_armed} -> + ok + after 1000 -> + ct:fail(timer1) + end, + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + %% Timer test 2 + TimerTimeout2 = 150, + ok = gen_statem:call(Pid, {arm_htimer, self(), TimerTimeout2}), + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + receive + {Pid, htimer_armed} -> + ok + after 1000 -> + ct:fail(timer2) + end, + is_not_in_erlang_hibernate(Pid), + timer:sleep(HibernateAfterTimeout), + is_in_erlang_hibernate(Pid), + stop_it(Pid), + process_flag(trap_exit, OldFl), + receive + {'EXIT',Pid,normal} -> ok + after 5000 -> + ct:fail(gen_statem_did_not_die) + end, + ok = verify_empty_msgq(). + is_in_erlang_hibernate(Pid) -> receive after 1 -> ok end, is_in_erlang_hibernate_1(200, Pid). @@ -1704,6 +1782,19 @@ terminate(_Reason, _State, _Data) -> %% State functions +idle(info, {hping,Pid}, _Data) -> + Pid ! {self(), hpong}, + keep_state_and_data; +idle(cast, {hping,Pid}, Data) -> + Pid ! {self(), hpong}, + {keep_state, Data}; +idle({call, From}, hping, _Data) -> + {keep_state_and_data, [{reply, From, hpong}]}; +idle({call, From}, {arm_htimer, Pid, Timeout}, _Data) -> + {keep_state_and_data, [{reply, From, ok}, {timeout, Timeout, {arm_htimer, Pid}}]}; +idle(timeout, {arm_htimer, Pid}, _Data) -> + Pid ! {self(), htimer_armed}, + keep_state_and_data; idle(cast, {connect,Pid}, Data) -> Pid ! accept, {next_state,wfor_conf,Data,infinity}; % NoOp timeout just to test API diff --git a/lib/tools/doc/src/lcnt.xml b/lib/tools/doc/src/lcnt.xml index 9c8ce148e9..6e66a957ab 100644 --- a/lib/tools/doc/src/lcnt.xml +++ b/lib/tools/doc/src/lcnt.xml @@ -38,7 +38,7 @@ <modulesummary>A runtime system Lock Profiling tool.</modulesummary> <description> <p>The <c>lcnt</c> module is used to profile the internal ethread locks in the - Erlang Runtime System. With <c>lcnt</c> enabled, Internal counters in the + Erlang Runtime System. With <c>lcnt</c> enabled, internal counters in the runtime system are updated each time a lock is taken. The counters stores information about the number of acquisition tries and the number of collisions that has occurred during the acquisition tries. The counters also record the @@ -47,17 +47,17 @@ <p> The data produced by the lock counters will give an estimate on how well the runtime system will behave from a parallelizable view point for the - scenarios tested. This tool was mainly developed to help erlang runtime + scenarios tested. This tool was mainly developed to help Erlang runtime developers iron out potential and generic bottlenecks. </p> <p>Locks in the emulator are named after what type of resource they protect and where in the emulator they are initialized, those are lock 'classes'. Most of those locks are also instantiated several times, and given unique identifiers, to increase locking granularity. Typically an instantiated lock protects a disjunct set of - the resource, i.e ets-tables, processes or ports. In other cases it protects a - specific range of a resource, e.g. <c>pix_lock</c> which protects index to process + the resource, for example ets tables, processes or ports. In other cases it protects a + specific range of a resource, for example <c>pix_lock</c> which protects index to process mappings, and is given a unique number within the class. A unique lock in <c>lcnt</c> - is referenced by a name (class) and an identifier, <c>{Name, Id}</c>. + is referenced by a name (class) and an identifier: <c>{Name, Id}</c>. </p> <p>Some locks in the system are static and protects global resources, for example <c>bif_timers</c> and the <c>run_queue</c> locks. Other locks are dynamic and not diff --git a/lib/tools/doc/src/lcnt_chapter.xml b/lib/tools/doc/src/lcnt_chapter.xml index 6cfdb5cf1b..1981d66117 100644 --- a/lib/tools/doc/src/lcnt_chapter.xml +++ b/lib/tools/doc/src/lcnt_chapter.xml @@ -42,42 +42,32 @@ completed its access to the resource and unlocked it. The <c>lcnt</c> tool measures these lock conflicts. </p> <p> - Locks has an inherent cost in execution time and memory space. It takes time initialize, destroy, aquiring or releasing locks. To decrease lock contention it + Locks have an inherent cost in execution time and memory space. It takes time initialize, destroy, aquiring or releasing locks. To decrease lock contention it some times necessary to use finer grained locking strategies. This will usually also increase the locking overhead and hence there is a tradeoff between lock contention and overhead. In general, lock contention increases with the number of threads running concurrently. The <c>lcnt</c> tool does not measure locking overhead. </p> <section> <title> Enabling lock-counting </title> - <p>For investigation of locks in the emulator we use an internal tool called <c>lcnt</c> (short for lock-count). The VM needs to be compiled with this option enabled. To enable this, use:</p> + <p>For investigation of locks in the emulator we use an internal tool called <c>lcnt</c> (short for lock-count). The VM needs to be compiled with this option enabled. + To compile a lock-counting VM along with a normal VM, use:</p> <pre> cd $ERL_TOP -./configure --enable-lock-counter - </pre> - - <p> - Another way to enable this alongside a normal VM is to compile it at emulator directory level, much like a debug build. To compile it this way do the following, - </p> - <pre> -cd $ERL_TOP/erts/emulator -make lcnt FLAVOR=smp - </pre> - <p> and then starting Erlang with,</p> +./configure --enable-lock-counter</pre> + <p>Start the lock-counting VM like this:</p> <pre> -$ERL_TOP/bin/cerl -lcnt - </pre> - <p>To verify that you lock-counting enabled check that <c>[lock-counting]</c> appears in the status text when the VM is started.</p> +$ERL_TOP/bin/erl -emu_type lcnt</pre> + <p>To verify that lock counting is enabled check that <c>[lock-counting]</c> appears in the status text when the VM is started.</p> <pre> -Erlang R13B03 (erts-5.7.4) [source] [64-bit] [smp:8:8] [rq:8] [async-threads:0] [hipe] - [kernel-poll:false] [lock-counting] - </pre> +Erlang/OTP 20 [erts-9.0] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [hipe] + [kernel-poll:false] [lock-counting]</pre> </section> <section> <title>Getting started</title> <p>Once you have a lock counting enabled VM the module <c>lcnt</c> can be used. The module is intended to be used from the current running nodes shell. To access remote nodes use <c>lcnt:clear(Node)</c> and <c>lcnt:collect(Node)</c>. </p> <p>All locks are continuously monitored and its statistics updated. Use <c>lcnt:clear/0</c> to initially clear all counters before running any specific tests. This command will also reset the duration timer internally.</p> - <p>To retrieve lock statistics information use, <c>lcnt:collect/0,1</c>. The collect operation will start a <c>lcnt</c> server if it not already started. All collected data will be built into an erlang term and uploaded to the server and a duration time will also be uploaded. This duration is the time between <c>lcnt:clear/0,1</c> and <c>lcnt:collect/0,1</c>.</p> + <p>To retrieve lock statistics information, use <c>lcnt:collect/0,1</c>. The collect operation will start a <c>lcnt</c> server if it not already started. All collected data will be built into an Erlang term and uploaded to the server and a duration time will also be uploaded. This duration is the time between <c>lcnt:clear/0,1</c> and <c>lcnt:collect/0,1</c>.</p> <p>Once the data is collected to the server it can be filtered, sorted and printed in many different ways.</p> <p>See the <seealso marker="lcnt">reference manual</seealso> for a description of each function.</p> diff --git a/lib/tools/test/lcnt_SUITE.erl b/lib/tools/test/lcnt_SUITE.erl index d39a5deeab..2e48b11740 100644 --- a/lib/tools/test/lcnt_SUITE.erl +++ b/lib/tools/test/lcnt_SUITE.erl @@ -29,7 +29,8 @@ -export([t_load/1, t_conflicts/1, t_locations/1, - t_swap_keys/1]). + t_swap_keys/1, + smoke_lcnt/1]). init_per_testcase(_Case, Config) -> Config. @@ -43,7 +44,8 @@ suite() -> {timetrap,{minutes,4}}]. all() -> - [t_load, t_conflicts, t_locations, t_swap_keys]. + [t_load, t_conflicts, t_locations, t_swap_keys, + smoke_lcnt]. %%---------------------------------------------------------------------- %% Tests @@ -146,3 +148,82 @@ t_swap_keys_file([File|Files]) -> ok = lcnt:conflicts(), ok = lcnt:stop(), t_swap_keys_file(Files). + +%% Simple smoke test of actual lock-counting, if running on +%% a run-time with lock-counting enabled. + +smoke_lcnt(Config) -> + case erlang:system_info(build_type) of + lcnt -> + do_smoke_lcnt(Config); + _ -> + {skip,"Lock counting is not enabled"} + end. + +do_smoke_lcnt(Config) -> + PrivDir = proplists:get_value(priv_dir, Config), + SaveFile = filename:join(PrivDir, atom_to_list(?FUNCTION_NAME)), + {Time,ok} = timer:tc(fun() -> lcnt:apply(fun() -> big_bang(200) end) end), + io:format("~p ms\n", [Time]), + ok = lcnt:conflicts(), + ok = lcnt:save(SaveFile), + ok = lcnt:load(SaveFile), + ok = lcnt:conflicts(), + lcnt:stop(). + + +%%% +%%% A slightly modified version of Rickard Green's Big Bang benchmark. +%%% + +big_bang(N) when is_integer(N) -> + Procs = spawn_procs(N), + RMsgs = lists:map(fun (P) -> {done, P} end, Procs), + send_procs(Procs, {procs, Procs, self()}), + receive_msgs(RMsgs), + lists:foreach(fun (P) -> exit(P, normal) end, Procs). + +pinger([], [], true) -> + receive + {procs, Procs, ReportTo} -> + pinger(Procs, [], ReportTo) + end; +pinger([], [], false) -> + receive {ping, From} -> From ! {pong, self()} end, + pinger([],[],false); +pinger([], [], ReportTo) -> + ReportTo ! {done, self()}, + pinger([],[],false); +pinger([],[Po|Pos] = Pongers, ReportTo) -> + receive + {ping, From} -> + From ! {pong, self()}, + pinger([], Pongers, ReportTo); + {pong, Po} -> + pinger([], Pos, ReportTo) + end; +pinger([Pi|Pis], Pongers, ReportTo) -> + receive {ping, From} -> From ! {pong, self()} + after 0 -> ok + end, + Pi ! {ping, self()}, + pinger(Pis, [Pi|Pongers], ReportTo). + +spawn_procs(N) when N =< 0 -> + []; +spawn_procs(N) -> + [spawn_link(fun () -> pinger([], [], true) end) | spawn_procs(N-1)]. + +send_procs([], Msg) -> + Msg; +send_procs([P|Ps], Msg) -> + P ! Msg, + send_procs(Ps, Msg). + +receive_msgs([]) -> + ok; +receive_msgs([M|Ms]) -> + receive + M -> + receive_msgs(Ms) + end. diff --git a/make/otp.mk.in b/make/otp.mk.in index cd4572d81b..83bab7065d 100644 --- a/make/otp.mk.in +++ b/make/otp.mk.in @@ -49,6 +49,7 @@ DEFAULT_TARGETS = opt debug release release_docs clean docs DEFAULT_FLAVOR=@DEFAULT_FLAVOR@ FLAVORS=@FLAVORS@ +TYPES=@TYPES@ # Slash separated list of return values from $(origin VAR) # that are untrusted - set default in this file instead. diff --git a/make/otp_subdir.mk b/make/otp_subdir.mk index fa6470ddd7..5734970298 100644 --- a/make/otp_subdir.mk +++ b/make/otp_subdir.mk @@ -19,13 +19,13 @@ # # Make include file for otp -.PHONY: debug opt release docs release_docs tests release_tests \ +.PHONY: debug opt lcnt release docs release_docs tests release_tests \ clean depend valgrind static_lib # # Targets that don't affect documentation directories # -opt debug release docs release_docs tests release_tests clean depend valgrind static_lib: +opt debug lcnt release docs release_docs tests release_tests clean depend valgrind static_lib: @set -e ; \ app_pwd=`pwd` ; \ if test -f vsn.mk; then \ diff --git a/otp_versions.table b/otp_versions.table index 9152101e08..62eaa62fed 100644 --- a/otp_versions.table +++ b/otp_versions.table @@ -1,3 +1,4 @@ +OTP-19.3.4 : inets-6.3.9 ssl-8.1.3 # asn1-4.0.4 common_test-1.14 compiler-7.0.4 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7.4 debugger-4.2.1 dialyzer-3.1.1 diameter-1.12.2 edoc-0.8.1 eldap-1.2.2 erl_docgen-0.6.1 erl_interface-3.9.3 erts-8.3.3 et-1.6 eunit-2.3.2 gs-1.6.2 hipe-3.15.4 ic-4.4.2 jinterface-1.7.1 kernel-5.2 megaco-3.18.1 mnesia-4.14.3 observer-2.3.1 odbc-2.12 orber-3.8.2 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.4 percept-0.9 public_key-1.4 reltool-0.7.3 runtime_tools-1.11.1 sasl-3.0.3 snmp-5.2.5 ssh-4.4.2 stdlib-3.3 syntax_tools-2.1.1 tools-2.9.1 typer-0.9.12 wx-1.8 xmerl-1.3.13 : OTP-19.3.3 : dialyzer-3.1.1 erts-8.3.3 inets-6.3.8 # asn1-4.0.4 common_test-1.14 compiler-7.0.4 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7.4 debugger-4.2.1 diameter-1.12.2 edoc-0.8.1 eldap-1.2.2 erl_docgen-0.6.1 erl_interface-3.9.3 et-1.6 eunit-2.3.2 gs-1.6.2 hipe-3.15.4 ic-4.4.2 jinterface-1.7.1 kernel-5.2 megaco-3.18.1 mnesia-4.14.3 observer-2.3.1 odbc-2.12 orber-3.8.2 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.4 percept-0.9 public_key-1.4 reltool-0.7.3 runtime_tools-1.11.1 sasl-3.0.3 snmp-5.2.5 ssh-4.4.2 ssl-8.1.2 stdlib-3.3 syntax_tools-2.1.1 tools-2.9.1 typer-0.9.12 wx-1.8 xmerl-1.3.13 : OTP-19.3.2 : erts-8.3.2 # asn1-4.0.4 common_test-1.14 compiler-7.0.4 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7.4 debugger-4.2.1 dialyzer-3.1 diameter-1.12.2 edoc-0.8.1 eldap-1.2.2 erl_docgen-0.6.1 erl_interface-3.9.3 et-1.6 eunit-2.3.2 gs-1.6.2 hipe-3.15.4 ic-4.4.2 inets-6.3.7 jinterface-1.7.1 kernel-5.2 megaco-3.18.1 mnesia-4.14.3 observer-2.3.1 odbc-2.12 orber-3.8.2 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.4 percept-0.9 public_key-1.4 reltool-0.7.3 runtime_tools-1.11.1 sasl-3.0.3 snmp-5.2.5 ssh-4.4.2 ssl-8.1.2 stdlib-3.3 syntax_tools-2.1.1 tools-2.9.1 typer-0.9.12 wx-1.8 xmerl-1.3.13 : OTP-19.3.1 : crypto-3.7.4 erts-8.3.1 inets-6.3.7 ssh-4.4.2 ssl-8.1.2 # asn1-4.0.4 common_test-1.14 compiler-7.0.4 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 debugger-4.2.1 dialyzer-3.1 diameter-1.12.2 edoc-0.8.1 eldap-1.2.2 erl_docgen-0.6.1 erl_interface-3.9.3 et-1.6 eunit-2.3.2 gs-1.6.2 hipe-3.15.4 ic-4.4.2 jinterface-1.7.1 kernel-5.2 megaco-3.18.1 mnesia-4.14.3 observer-2.3.1 odbc-2.12 orber-3.8.2 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.4 percept-0.9 public_key-1.4 reltool-0.7.3 runtime_tools-1.11.1 sasl-3.0.3 snmp-5.2.5 stdlib-3.3 syntax_tools-2.1.1 tools-2.9.1 typer-0.9.12 wx-1.8 xmerl-1.3.13 : |