diff options
Diffstat (limited to 'erts/emulator/beam/erl_port_task.c')
-rw-r--r-- | erts/emulator/beam/erl_port_task.c | 50 |
1 files changed, 41 insertions, 9 deletions
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index dbc4a06c2d..8cf8128ab8 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -1509,7 +1509,6 @@ fail: void erts_port_task_free_port(Port *pp) { - ErtsProcList *suspended; erts_aint32_t flags; ErtsRunQueue *runq; @@ -1522,19 +1521,16 @@ erts_port_task_free_port(Port *pp) erts_port_task_sched_lock(&pp->sched); flags = erts_smp_atomic32_read_bor_relb(&pp->sched.flags, ERTS_PTS_FLG_EXIT); - suspended = pp->suspended; - pp->suspended = NULL; erts_port_task_sched_unlock(&pp->sched); erts_atomic32_read_bset_relb(&pp->state, - (ERTS_PORT_SFLG_CLOSING + (ERTS_PORT_SFLG_CONNECTED + | ERTS_PORT_SFLG_EXITING + | ERTS_PORT_SFLG_CLOSING | ERTS_PORT_SFLG_FREE), ERTS_PORT_SFLG_FREE); erts_smp_runq_unlock(runq); - if (erts_proclist_fetch(&suspended, NULL)) - erts_resume_processes(suspended); - if (!(flags & (ERTS_PTS_FLG_IN_RUNQ|ERTS_PTS_FLG_EXEC))) begin_port_cleanup(pp, NULL, NULL); } @@ -1793,10 +1789,11 @@ begin_port_cleanup(Port *pp, ErtsPortTask **execqp, int *processing_busy_q_p) int i, max; ErtsPortTaskBusyCallerTable *tabp; ErtsPortTask *qs[3]; + ErtsPortTaskHandleList *free_nshp = NULL; + ErtsProcList *plp; ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(pp)); - /* * Abort remaining tasks... * @@ -1935,7 +1932,42 @@ begin_port_cleanup(Port *pp, ErtsPortTask **execqp, int *processing_busy_q_p) erts_smp_atomic32_read_band_nob(&pp->sched.flags, ~(ERTS_PTS_FLG_HAVE_BUSY_TASKS - |ERTS_PTS_FLG_HAVE_TASKS)); + |ERTS_PTS_FLG_HAVE_TASKS + |ERTS_PTS_FLGS_BUSY)); + + erts_port_task_sched_lock(&pp->sched); + + /* Cleanup nosuspend handles... */ + free_nshp = (pp->sched.taskq.local.busy.nosuspend + ? get_free_nosuspend_handles(pp) + : NULL); + ASSERT(!pp->sched.taskq.local.busy.nosuspend); + + /* Make sure not to leave any processes suspended on the port... */ + plp = pp->suspended; + pp->suspended = NULL; + + erts_port_task_sched_unlock(&pp->sched); + + if (free_nshp) + free_nosuspend_handles(free_nshp); + + if (erts_proclist_fetch(&plp, NULL)) { +#ifdef USE_VM_PROBES + if (DTRACE_ENABLED(process_port_unblocked)) { + DTRACE_CHARBUF(port_str, 16); + DTRACE_CHARBUF(pid_str, 16); + ErtsProcList* plp2 = plp; + + erts_snprintf(port_str, sizeof(port_str), "%T", pp->common.id); + while (plp2 != NULL) { + erts_snprintf(pid_str, sizeof(pid_str), "%T", plp2->pid); + DTRACE2(process_port_unblocked, pid_str, port_str); + } + } +#endif + erts_resume_processes(plp); + } /* * Schedule cleanup of port structure... |