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-rw-r--r--erts/emulator/beam/beam_ranges.c2
-rw-r--r--erts/emulator/beam/bif.c8
-rw-r--r--erts/emulator/beam/big.c7
-rw-r--r--erts/emulator/beam/erl_alloc.types4
-rw-r--r--erts/emulator/beam/erl_bif_info.c46
-rw-r--r--erts/emulator/beam/erl_bif_port.c15
-rw-r--r--erts/emulator/beam/erl_init.c18
-rw-r--r--erts/emulator/beam/erl_nif.c1
-rw-r--r--erts/emulator/beam/erl_nif.h23
-rw-r--r--erts/emulator/beam/erl_port_task.c24
-rw-r--r--erts/emulator/beam/erl_port_task.h2
-rw-r--r--erts/emulator/beam/erl_process.c68
-rw-r--r--erts/emulator/beam/erl_process.h1
-rw-r--r--erts/emulator/beam/sys.h14
-rw-r--r--erts/emulator/beam/utils.c1
15 files changed, 171 insertions, 63 deletions
diff --git a/erts/emulator/beam/beam_ranges.c b/erts/emulator/beam/beam_ranges.c
index 0f2d5d0c2a..cb6470638f 100644
--- a/erts/emulator/beam/beam_ranges.c
+++ b/erts/emulator/beam/beam_ranges.c
@@ -282,7 +282,7 @@ find_range(BeamInstr* pc)
while (low < high) {
if (pc < mid->start) {
high = mid;
- } else if (pc > RANGE_END(mid)) {
+ } else if (pc >= RANGE_END(mid)) {
low = mid + 1;
} else {
erts_smp_atomic_set_nob(&r[active].mid, (erts_aint_t) mid);
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index a5be8e1529..42dd160e38 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -2772,6 +2772,7 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
Eterm *integer, Eterm *rest)
{
Sint i = 0;
+ Uint ui = 0;
int skip = 0;
int neg = 0;
int n = 0;
@@ -2825,8 +2826,8 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
unsigned_val(CAR(list_val(lst))) > '9') {
break;
}
- i = i * 10;
- i = i + unsigned_val(CAR(list_val(lst))) - '0';
+ ui = ui * 10;
+ ui = ui + unsigned_val(CAR(list_val(lst))) - '0';
n++;
lst = CDR(list_val(lst));
if (is_nil(lst)) {
@@ -2850,7 +2851,8 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
*/
if (n <= SMALL_DIGITS) { /* It must be small */
- if (neg) i = -i;
+ if (neg) i = -(Sint)ui;
+ else i = (Sint)ui;
res = make_small(i);
} else {
lg2 = (n+1)*230/69+1;
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index a8710dd910..de7d370938 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -274,10 +274,9 @@
_b = _b << _s; \
_vn1 = _b >> H_EXP; \
_vn0 = _b & LO_MASK; \
- /* Sometimes _s is 0 which triggers undefined behaviour for the \
- (_a0>>(D_EXP-_s)) shift, but this is ok because the \
- & -s will make it all to 0 later anyways. */ \
- _un32 = (_a1 << _s) | ((_a0>>(D_EXP-_s)) & (-_s >> (D_EXP-1))); \
+ /* If needed to avoid undefined behaviour */ \
+ if (_s) _un32 = (_a1 << _s) | ((_a0>>(D_EXP-_s)) & (-_s >> (D_EXP-1))); \
+ else _un32 = _a1; \
_un10 = _a0 << _s; \
_un1 = _un10 >> H_EXP; \
_un0 = _un10 & LO_MASK; \
diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types
index 37354b7f8d..21434eb117 100644
--- a/erts/emulator/beam/erl_alloc.types
+++ b/erts/emulator/beam/erl_alloc.types
@@ -267,7 +267,6 @@ type CODE_IX_LOCK_Q SHORT_LIVED SYSTEM code_ix_lock_q
type PROC_INTERVAL LONG_LIVED SYSTEM process_interval
type BUSY_CALLER_TAB SHORT_LIVED SYSTEM busy_caller_table
type BUSY_CALLER SHORT_LIVED SYSTEM busy_caller
-type PORT_DATA_HEAP STANDARD SYSTEM port_data_heap
type PROC_SYS_TSK SHORT_LIVED PROCESSES proc_sys_task
type PROC_SYS_TSK_QS SHORT_LIVED PROCESSES proc_sys_task_queues
@@ -364,6 +363,7 @@ type NLINK_SH STANDARD_LOW PROCESSES nlink_sh
type AINFO_REQ STANDARD_LOW SYSTEM alloc_info_request
type SCHED_WTIME_REQ STANDARD_LOW SYSTEM sched_wall_time_request
type GC_INFO_REQ STANDARD_LOW SYSTEM gc_info_request
+type PORT_DATA_HEAP STANDARD_LOW SYSTEM port_data_heap
+else # "fullword"
@@ -383,6 +383,7 @@ type NLINK_SH FIXED_SIZE PROCESSES nlink_sh
type AINFO_REQ SHORT_LIVED SYSTEM alloc_info_request
type SCHED_WTIME_REQ SHORT_LIVED SYSTEM sched_wall_time_request
type GC_INFO_REQ SHORT_LIVED SYSTEM gc_info_request
+type PORT_DATA_HEAP STANDARD SYSTEM port_data_heap
+endif
@@ -397,6 +398,7 @@ type DRV_EV_STATE LONG_LIVED SYSTEM driver_event_state
type DRV_EV_D_STATE FIXED_SIZE SYSTEM driver_event_data_state
type DRV_SEL_D_STATE FIXED_SIZE SYSTEM driver_select_data_state
type FD_LIST SHORT_LIVED SYSTEM fd_list
+type ACTIVE_FD_ARR SHORT_LIVED SYSTEM active_fd_array
type POLLSET LONG_LIVED SYSTEM pollset
type POLLSET_UPDREQ SHORT_LIVED SYSTEM pollset_update_req
type POLL_FDS LONG_LIVED SYSTEM poll_fds
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 6efe9d9550..b90362d82c 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -27,6 +27,7 @@
#include "erl_process.h"
#include "error.h"
#include "erl_driver.h"
+#include "erl_nif.h"
#include "bif.h"
#include "big.h"
#include "erl_version.h"
@@ -90,7 +91,7 @@ static char erts_system_version[] = ("Erlang/OTP " ERLANG_OTP_RELEASE
" [smp:%beu:%beu]"
#endif
#ifdef USE_THREADS
-#ifdef ERTS_DIRTY_SCHEDULERS
+#if defined(ERTS_DIRTY_SCHEDULERS) && defined(ERTS_SMP)
" [ds:%beu:%beu:%beu]"
#endif
" [async-threads:%d]"
@@ -2459,6 +2460,13 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
ERL_DRV_EXTENDED_MINOR_VERSION);
hp = HAlloc(BIF_P, 2*n);
BIF_RET(buf_to_intlist(&hp, buf, n, NIL));
+ } else if (ERTS_IS_ATOM_STR("nif_version", BIF_ARG_1)) {
+ char buf[42];
+ int n = erts_snprintf(buf, 42, "%d.%d",
+ ERL_NIF_MAJOR_VERSION,
+ ERL_NIF_MINOR_VERSION);
+ hp = HAlloc(BIF_P, 2*n);
+ BIF_RET(buf_to_intlist(&hp, buf, n, NIL));
} else if (ERTS_IS_ATOM_STR("smp_support", BIF_ARG_1)) {
#ifdef ERTS_SMP
BIF_RET(am_true);
@@ -2696,6 +2704,9 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
? am_disabled
: am_enabled);
}
+ else if (ERTS_IS_ATOM_STR("eager_check_io",BIF_ARG_1)) {
+ BIF_RET(erts_eager_check_io ? am_true : am_false);
+ }
BIF_ERROR(BIF_P, BADARG);
}
@@ -3304,17 +3315,38 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1)
BIF_RET(make_small((Uint) words));
}
else if (ERTS_IS_ATOM_STR("check_io_debug", BIF_ARG_1)) {
- /* Used by (emulator) */
- int res;
+ /* Used by driver_SUITE (emulator) */
+ Uint sz, *szp;
+ Eterm res, *hp, **hpp;
+ int no_errors;
+ ErtsCheckIoDebugInfo ciodi = {0};
#ifdef HAVE_ERTS_CHECK_IO_DEBUG
erts_smp_proc_unlock(BIF_P,ERTS_PROC_LOCK_MAIN);
- res = erts_check_io_debug();
+ no_errors = erts_check_io_debug(&ciodi);
erts_smp_proc_lock(BIF_P,ERTS_PROC_LOCK_MAIN);
#else
- res = 0;
+ no_errors = 0;
#endif
- ASSERT(res >= 0);
- BIF_RET(erts_make_integer((Uint) res, BIF_P));
+ sz = 0;
+ szp = &sz;
+ hpp = NULL;
+ while (1) {
+ res = erts_bld_tuple(hpp, szp, 4,
+ erts_bld_uint(hpp, szp,
+ (Uint) no_errors),
+ erts_bld_uint(hpp, szp,
+ (Uint) ciodi.no_used_fds),
+ erts_bld_uint(hpp, szp,
+ (Uint) ciodi.no_driver_select_structs),
+ erts_bld_uint(hpp, szp,
+ (Uint) ciodi.no_driver_event_structs));
+ if (hpp)
+ break;
+ hp = HAlloc(BIF_P, sz);
+ szp = NULL;
+ hpp = &hp;
+ }
+ BIF_RET(res);
}
else if (ERTS_IS_ATOM_STR("process_info_args", BIF_ARG_1)) {
/* Used by process_SUITE (emulator) */
diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c
index afb33c1cdb..64bd598ba6 100644
--- a/erts/emulator/beam/erl_bif_port.c
+++ b/erts/emulator/beam/erl_bif_port.c
@@ -493,8 +493,8 @@ void
erts_cleanup_port_data(Port *prt)
{
ASSERT(erts_atomic32_read_nob(&prt->state) & ERTS_PORT_SFLGS_INVALID_LOOKUP);
- cleanup_old_port_data(erts_smp_atomic_read_nob(&prt->data));
- erts_smp_atomic_set_nob(&prt->data, (erts_aint_t) THE_NON_VALUE);
+ cleanup_old_port_data(erts_smp_atomic_xchg_nob(&prt->data,
+ (erts_aint_t) NULL));
}
Uint
@@ -554,6 +554,7 @@ BIF_RETTYPE port_set_data_2(BIF_ALIST_2)
hp = &pdhp->heap[0];
pdhp->off_heap.first = NULL;
pdhp->off_heap.overhead = 0;
+ pdhp->hsize = hsize;
pdhp->data = copy_struct(BIF_ARG_2, hsize, &hp, &pdhp->off_heap);
data = (erts_aint_t) pdhp;
ASSERT((data & 0x3) == 0);
@@ -561,8 +562,14 @@ BIF_RETTYPE port_set_data_2(BIF_ALIST_2)
data = erts_smp_atomic_xchg_wb(&prt->data, data);
+ if (data == (erts_aint_t)NULL) {
+ /* Port terminated by racing thread */
+ data = erts_smp_atomic_xchg_wb(&prt->data, data);
+ ASSERT(data != (erts_aint_t)NULL);
+ cleanup_old_port_data(data);
+ BIF_ERROR(BIF_P, BADARG);
+ }
cleanup_old_port_data(data);
-
BIF_RET(am_true);
}
@@ -581,6 +588,8 @@ BIF_RETTYPE port_get_data_1(BIF_ALIST_1)
BIF_ERROR(BIF_P, BADARG);
data = erts_smp_atomic_read_ddrb(&prt->data);
+ if (data == (erts_aint_t)NULL)
+ BIF_ERROR(BIF_P, BADARG); /* Port terminated by racing thread */
if ((data & 0x3) != 0) {
res = (Eterm) (UWord) data;
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 88c4006934..61f8385efc 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -548,6 +548,8 @@ void erts_usage(void)
erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
erts_fprintf(stderr, "-sct cput set cpu topology,\n");
erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
+ erts_fprintf(stderr, "-secio bool enable/disable eager check I/O scheduling,\n");
+ erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
#if ERTS_HAVE_SCHED_UTIL_BALANCING_SUPPORT_OPT
erts_fprintf(stderr, "-sub bool enable/disable scheduler utilization balancing,\n");
#else
@@ -1674,6 +1676,22 @@ erl_start(int argc, char **argv)
erts_usage();
}
}
+ else if (has_prefix("ecio", sub_param)) {
+ arg = get_arg(sub_param+4, argv[i+1], &i);
+#ifndef __OSE__
+ if (sys_strcmp("true", arg) == 0)
+ erts_eager_check_io = 1;
+ else
+#endif
+ if (sys_strcmp("false", arg) == 0)
+ erts_eager_check_io = 0;
+ else {
+ erts_fprintf(stderr,
+ "bad schedule eager check I/O value '%s'\n",
+ arg);
+ erts_usage();
+ }
+ }
else if (has_prefix("pp", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (sys_strcmp(arg, "true") == 0)
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index ede5f335dc..adc3520ebb 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -1646,6 +1646,7 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec
ep->m = env->mod_nif;
ep->fp = indirect_fp;
proc->freason = TRAP;
+ proc->arity = argc;
return THE_NON_VALUE;
}
diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index 226fc199a1..849024453c 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -241,21 +241,10 @@ extern TWinDynNifCallbacks WinDynNifCallbacks;
# else
# define ERL_NIF_INIT_DECL(MODNAME) __declspec(dllexport) ErlNifEntry* nif_init(TWinDynNifCallbacks* callbacks)
# endif
-# ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
-# define ERL_NIF_INIT_BODY do { \
- memcpy(&WinDynNifCallbacks,callbacks,sizeof(TWinDynNifCallbacks)); \
- entry.options = ERL_NIF_DIRTY_NIF_OPTION; \
- } while(0)
-# else
-# define ERL_NIF_INIT_BODY memcpy(&WinDynNifCallbacks,callbacks,sizeof(TWinDynNifCallbacks))
-# endif
+# define ERL_NIF_INIT_BODY memcpy(&WinDynNifCallbacks,callbacks,sizeof(TWinDynNifCallbacks))
#else
# define ERL_NIF_INIT_GLOB
-# ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
-# define ERL_NIF_INIT_BODY entry.options = ERL_NIF_DIRTY_NIF_OPTION
-# else
-# define ERL_NIF_INIT_BODY
-# endif
+# define ERL_NIF_INIT_BODY
# ifdef STATIC_ERLANG_NIF
# define ERL_NIF_INIT_DECL(MODNAME) ErlNifEntry* MODNAME ## _nif_init(void)
# else
@@ -263,6 +252,11 @@ extern TWinDynNifCallbacks WinDynNifCallbacks;
# endif
#endif
+#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
+# define ERL_NIF_ENTRY_OPTIONS ERL_NIF_DIRTY_NIF_OPTION
+#else
+# define ERL_NIF_ENTRY_OPTIONS 0
+#endif
#ifdef __cplusplus
}
@@ -288,7 +282,8 @@ ERL_NIF_INIT_DECL(NAME) \
sizeof(FUNCS) / sizeof(*FUNCS), \
FUNCS, \
LOAD, RELOAD, UPGRADE, UNLOAD, \
- ERL_NIF_VM_VARIANT \
+ ERL_NIF_VM_VARIANT, \
+ ERL_NIF_ENTRY_OPTIONS \
}; \
ERL_NIF_INIT_BODY; \
return &entry; \
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index 682f6f8f4b..2aa0a27197 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -32,6 +32,7 @@
#include "global.h"
#include "erl_port_task.h"
#include "dist.h"
+#include "erl_check_io.h"
#include "dtrace-wrapper.h"
#include <stdarg.h>
@@ -550,6 +551,16 @@ reset_handle(ErtsPortTask *ptp)
}
static ERTS_INLINE void
+reset_executed_io_task_handle(ErtsPortTask *ptp)
+{
+ if (ptp->u.alive.handle) {
+ ASSERT(ptp == handle2task(ptp->u.alive.handle));
+ erts_io_notify_port_task_executed(ptp->u.alive.handle);
+ reset_port_task_handle(ptp->u.alive.handle);
+ }
+}
+
+static ERTS_INLINE void
set_handle(ErtsPortTask *ptp, ErtsPortTaskHandle *pthp)
{
ptp->u.alive.handle = pthp;
@@ -1396,10 +1407,7 @@ erts_port_task_schedule(Eterm id,
erts_aint32_t act, add_flags;
unsigned int prof_runnable_ports;
- if (pthp && erts_port_task_is_scheduled(pthp)) {
- ASSERT(0);
- erts_port_task_abort(pthp);
- }
+ ERTS_LC_ASSERT(!pthp || !erts_port_task_is_scheduled(pthp));
ASSERT(is_internal_port(id));
@@ -1699,8 +1707,6 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
goto aborted_port_task;
}
- reset_handle(ptp);
-
if (erts_system_monitor_long_schedule != 0) {
start_time = erts_timestamp_millis();
}
@@ -1711,6 +1717,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
switch (ptp->type) {
case ERTS_PORT_TASK_TIMEOUT:
+ reset_handle(ptp);
reds = ERTS_PORT_REDS_TIMEOUT;
if (!(state & ERTS_PORT_SFLGS_DEAD)) {
DTRACE_DRIVER(driver_timeout, pp);
@@ -1725,6 +1732,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
for input and output */
(*pp->drv_ptr->ready_input)((ErlDrvData) pp->drv_data,
ptp->u.alive.td.io.event);
+ reset_executed_io_task_handle(ptp);
io_tasks_executed++;
break;
case ERTS_PORT_TASK_OUTPUT:
@@ -1733,6 +1741,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
DTRACE_DRIVER(driver_ready_output, pp);
(*pp->drv_ptr->ready_output)((ErlDrvData) pp->drv_data,
ptp->u.alive.td.io.event);
+ reset_executed_io_task_handle(ptp);
io_tasks_executed++;
break;
case ERTS_PORT_TASK_EVENT:
@@ -1742,10 +1751,12 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
(*pp->drv_ptr->event)((ErlDrvData) pp->drv_data,
ptp->u.alive.td.io.event,
ptp->u.alive.td.io.event_data);
+ reset_executed_io_task_handle(ptp);
io_tasks_executed++;
break;
case ERTS_PORT_TASK_PROC_SIG: {
ErtsProc2PortSigData *sigdp = &ptp->u.alive.td.psig.data;
+ reset_handle(ptp);
ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
if (!pp->sched.taskq.bpq)
reds = ptp->u.alive.td.psig.callback(pp,
@@ -1763,6 +1774,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
break;
}
case ERTS_PORT_TASK_DIST_CMD:
+ reset_handle(ptp);
reds = erts_dist_command(pp, CONTEXT_REDS - pp->reds);
break;
default:
diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h
index 9ef0cfcedc..406cd3c492 100644
--- a/erts/emulator/beam/erl_port_task.h
+++ b/erts/emulator/beam/erl_port_task.h
@@ -156,7 +156,7 @@ erts_port_task_handle_init(ErtsPortTaskHandle *pthp)
ERTS_GLB_INLINE int
erts_port_task_is_scheduled(ErtsPortTaskHandle *pthp)
{
- return ((void *) erts_smp_atomic_read_nob(pthp)) != NULL;
+ return ((void *) erts_smp_atomic_read_acqb(pthp)) != NULL;
}
ERTS_GLB_INLINE void erts_port_task_pre_init_sched(ErtsPortTaskSched *ptsp,
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 20a88ec581..e5bb1203c8 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -148,6 +148,12 @@ extern BeamInstr beam_apply[];
extern BeamInstr beam_exit[];
extern BeamInstr beam_continue_exit[];
+#ifdef __OSE__
+/* Eager check I/O not supported on OSE yet. */
+int erts_eager_check_io = 0;
+#else
+int erts_eager_check_io = 0;
+#endif
int erts_sched_compact_load;
int erts_sched_balance_util = 0;
Uint erts_no_schedulers;
@@ -2381,29 +2387,47 @@ try_set_sys_scheduling(void)
#endif
static ERTS_INLINE int
-prepare_for_sys_schedule(ErtsSchedulerData *esdp)
+prepare_for_sys_schedule(ErtsSchedulerData *esdp, int non_blocking)
{
+ if (non_blocking && erts_eager_check_io) {
#ifdef ERTS_SMP
- while (!erts_port_task_have_outstanding_io_tasks()
- && try_set_sys_scheduling()) {
#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1
- if (esdp->no != 1) {
- /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used
- then we make sure to wake scheduler 1 */
- ErtsRunQueue *rq = ERTS_RUNQ_IX(0);
- clear_sys_scheduling();
- wake_scheduler(rq);
- return 0;
- }
+ if (esdp->no != 1) {
+ /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used
+ then we make sure to wake scheduler 1 */
+ ErtsRunQueue *rq = ERTS_RUNQ_IX(0);
+ wake_scheduler(rq);
+ return 0;
+ }
#endif
- if (!erts_port_task_have_outstanding_io_tasks())
+ return try_set_sys_scheduling();
+#else
return 1;
- clear_sys_scheduling();
+#endif
}
- return 0;
+ else {
+#ifdef ERTS_SMP
+ while (!erts_port_task_have_outstanding_io_tasks()
+ && try_set_sys_scheduling()) {
+#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1
+ if (esdp->no != 1) {
+ /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used
+ then we make sure to wake scheduler 1 */
+ ErtsRunQueue *rq = ERTS_RUNQ_IX(0);
+ clear_sys_scheduling();
+ wake_scheduler(rq);
+ return 0;
+ }
+#endif
+ if (!erts_port_task_have_outstanding_io_tasks())
+ return 1;
+ clear_sys_scheduling();
+ }
+ return 0;
#else
- return !erts_port_task_have_outstanding_io_tasks();
+ return !erts_port_task_have_outstanding_io_tasks();
#endif
+ }
}
#ifdef ERTS_SMP
@@ -2780,7 +2804,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
* be waiting in erl_sys_schedule()
*/
- if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(esdp)) {
+ if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(esdp, 0)) {
sched_waiting(esdp->no, rq);
@@ -2944,7 +2968,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
* Got to check that we still got I/O tasks; otherwise
* we have to continue checking for I/O...
*/
- if (!prepare_for_sys_schedule(esdp)) {
+ if (!prepare_for_sys_schedule(esdp, 0)) {
spincount *= ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT;
goto tse_wait;
}
@@ -2966,7 +2990,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
* Got to check that we still got I/O tasks; otherwise
* we have to wait in erl_sys_schedule() after all...
*/
- if (!prepare_for_sys_schedule(esdp)) {
+ if (!prepare_for_sys_schedule(esdp, 0)) {
/*
* Not allowed to wait in erl_sys_schedule;
* do tse wait instead...
@@ -9200,7 +9224,7 @@ Process *schedule(Process *p, int calls)
}
else if (!ERTS_SCHEDULER_IS_DIRTY(esdp) &&
(fcalls > input_reductions &&
- prepare_for_sys_schedule(esdp))) {
+ prepare_for_sys_schedule(esdp, !0))) {
/*
* Schedule system-level activities.
*/
@@ -9208,8 +9232,6 @@ Process *schedule(Process *p, int calls)
erts_smp_atomic32_set_relb(&function_calls, 0);
fcalls = 0;
- ASSERT(!erts_port_task_have_outstanding_io_tasks());
-
#if 0 /* Not needed since we wont wait in sys schedule */
erts_sys_schedule_interrupt(0);
#endif
@@ -9241,7 +9263,9 @@ Process *schedule(Process *p, int calls)
if (RUNQ_READ_LEN(&rq->ports.info.len)) {
int have_outstanding_io;
have_outstanding_io = erts_port_task_execute(rq, &esdp->current_port);
- if ((have_outstanding_io && fcalls > 2*input_reductions)
+ if ((!erts_eager_check_io
+ && have_outstanding_io
+ && fcalls > 2*input_reductions)
|| rq->halt_in_progress) {
/*
* If we have performed more than 2*INPUT_REDUCTIONS since
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 3b0798207e..27a3a3553b 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -104,6 +104,7 @@ struct saved_calls {
};
extern Export exp_send, exp_receive, exp_timeout;
+extern int erts_eager_check_io;
extern int erts_sched_compact_load;
extern int erts_sched_balance_util;
extern Uint erts_no_schedulers;
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 3d8dd9c6d0..c29d4b3777 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -66,8 +66,12 @@
*/
#ifndef ERTS_SYS_FD_TYPE
+#define ERTS_SYS_FD_INVALID ((ErtsSysFdType) -1)
typedef int ErtsSysFdType;
#else
+#ifndef ERTS_SYS_FD_INVALID
+# error missing ERTS_SYS_FD_INVALID
+#endif
typedef ERTS_SYS_FD_TYPE ErtsSysFdType;
#endif
@@ -501,7 +505,7 @@ extern volatile int erts_writing_erl_crash_dump;
# define NO_ERF
# define NO_ERFC
/* This definition doesn't take NaN into account, but matherr() gets those */
-# define finite(x) (fabs(x) != HUGE_VAL)
+# define isfinite(x) (fabs(x) != HUGE_VAL)
# define USE_MATHERR
# define HAVE_FINITE
#endif
@@ -744,6 +748,14 @@ void init_getenv_state(GETENV_STATE *);
char * getenv_string(GETENV_STATE *);
void fini_getenv_state(GETENV_STATE *);
+#define HAVE_ERTS_CHECK_IO_DEBUG
+typedef struct {
+ int no_used_fds;
+ int no_driver_select_structs;
+ int no_driver_event_structs;
+} ErtsCheckIoDebugInfo;
+int erts_check_io_debug(ErtsCheckIoDebugInfo *ip);
+
/* xxxP */
#define SYS_DEFAULT_FLOAT_DECIMALS 20
void init_sys_float(void);
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index 55f9e68e78..f20e6e5665 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -48,6 +48,7 @@
#include "erl_sched_spec_pre_alloc.h"
#include "beam_bp.h"
#include "erl_ptab.h"
+#include "erl_check_io.h"
#undef M_TRIM_THRESHOLD
#undef M_TOP_PAD
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 20:47:09 +0000