diff options
Diffstat (limited to 'erts/emulator/beam/erl_port_task.c')
-rw-r--r-- | erts/emulator/beam/erl_port_task.c | 57 |
1 files changed, 34 insertions, 23 deletions
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index 3102e44c11..4d7a86398a 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2006-2016. All Rights Reserved. + * Copyright Ericsson AB 2006-2017. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -852,10 +852,11 @@ schedule_port_task_handle_list_free(ErtsPortTaskHandleList *pthlp) } static ERTS_INLINE void -abort_nosuspend_task(Port *pp, - ErtsPortTaskType type, - ErtsPortTaskTypeData *tdp, - int bpq_data) +abort_signal_task(Port *pp, + int abort_type, + ErtsPortTaskType type, + ErtsPortTaskTypeData *tdp, + int bpq_data) { ASSERT(type == ERTS_PORT_TASK_PROC_SIG); @@ -863,18 +864,28 @@ abort_nosuspend_task(Port *pp, if (!bpq_data) tdp->psig.callback(NULL, ERTS_PORT_SFLG_INVALID, - ERTS_PROC2PORT_SIG_ABORT_NOSUSPEND, + abort_type, &tdp->psig.data); else { ErlDrvSizeT size = erts_proc2port_sig_command_data_size(&tdp->psig.data); tdp->psig.callback(NULL, ERTS_PORT_SFLG_INVALID, - ERTS_PROC2PORT_SIG_ABORT_NOSUSPEND, + abort_type, &tdp->psig.data); aborted_proc2port_data(pp, size); } } + +static ERTS_INLINE void +abort_nosuspend_task(Port *pp, + ErtsPortTaskType type, + ErtsPortTaskTypeData *tdp, + int bpq_data) +{ + abort_signal_task(pp, ERTS_PROC2PORT_SIG_ABORT_NOSUSPEND, type, tdp, bpq_data); +} + static ErtsPortTaskHandleList * get_free_nosuspend_handles(Port *pp) { @@ -936,7 +947,7 @@ enqueue_port(ErtsRunQueue *runq, Port *pp) erts_smp_inc_runq_len(runq, &runq->ports.info, ERTS_PORT_PRIO_LEVEL); #ifdef ERTS_SMP - if (runq->halt_in_progress) + if (ERTS_RUNQ_FLGS_GET_NOB(runq) & ERTS_RUNQ_FLG_HALTING) erts_non_empty_runq(runq); #endif } @@ -1463,10 +1474,10 @@ erts_port_task_schedule(Eterm id, } #endif - if (!pp) - goto fail; - if (type != ERTS_PORT_TASK_PROC_SIG) { + if (!pp) + goto fail; + ptp = port_task_alloc(); ptp->type = type; @@ -1504,6 +1515,9 @@ erts_port_task_schedule(Eterm id, ptp->u.alive.td.psig.callback = va_arg(argp, ErtsProc2PortSigCallback); ptp->u.alive.flags |= va_arg(argp, int); va_end(argp); + if (!pp) + goto fail; + if (!(ptp->u.alive.flags & ERTS_PT_FLG_NOSUSPEND)) set_tmp_handle(ptp, pthp); else { @@ -1613,8 +1627,9 @@ abort_nosuspend: ASSERT(ns_pthlp); erts_free(ERTS_ALC_T_PT_HNDL_LIST, ns_pthlp); - if (ptp) - port_task_free(ptp); + + ASSERT(ptp); + port_task_free(ptp); return 0; @@ -1625,12 +1640,15 @@ fail: erts_port_dec_refc(pp); #endif + if (ptp) { + abort_signal_task(pp, ERTS_PROC2PORT_SIG_ABORT, + ptp->type, &ptp->u.alive.td, 0); + port_task_free(ptp); + } + if (ns_pthlp) erts_free(ERTS_ALC_T_PT_HNDL_LIST, ns_pthlp); - if (ptp) - port_task_free(ptp); - return -1; } @@ -2161,13 +2179,6 @@ 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 |