diff options
Diffstat (limited to 'erts/emulator/beam/erl_port_task.h')
| -rw-r--r-- | erts/emulator/beam/erl_port_task.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h index ae6cd69ae2..406cd3c492 100644 --- a/erts/emulator/beam/erl_port_task.h +++ b/erts/emulator/beam/erl_port_task.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2006-2012. All Rights Reserved. + * Copyright Ericsson AB 2006-2013. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -77,6 +77,8 @@ extern erts_smp_atomic_t erts_port_task_outstanding_io_tasks; #define ERTS_PTS_FLG_HAVE_NS_TASKS (((erts_aint32_t) 1) << 8) #define ERTS_PTS_FLG_PARALLELISM (((erts_aint32_t) 1) << 9) #define ERTS_PTS_FLG_FORCE_SCHED (((erts_aint32_t) 1) << 10) +#define ERTS_PTS_FLG_EXITING (((erts_aint32_t) 1) << 11) +#define ERTS_PTS_FLG_EXEC_IMM (((erts_aint32_t) 1) << 12) #define ERTS_PTS_FLGS_BUSY \ (ERTS_PTS_FLG_BUSY_PORT | ERTS_PTS_FLG_BUSY_PORT_Q) @@ -86,7 +88,9 @@ extern erts_smp_atomic_t erts_port_task_outstanding_io_tasks; | ERTS_PTS_FLG_HAVE_BUSY_TASKS \ | ERTS_PTS_FLG_HAVE_TASKS \ | ERTS_PTS_FLG_EXEC \ - | ERTS_PTS_FLG_FORCE_SCHED) + | ERTS_PTS_FLG_EXEC_IMM \ + | ERTS_PTS_FLG_FORCE_SCHED \ + | ERTS_PTS_FLG_EXITING) #define ERTS_PORT_TASK_DEFAULT_BUSY_PORT_Q_HIGH 8192 #define ERTS_PORT_TASK_DEFAULT_BUSY_PORT_Q_LOW 4096 @@ -135,6 +139,7 @@ ERTS_GLB_INLINE void erts_port_task_fini_sched(ErtsPortTaskSched *ptsp); ERTS_GLB_INLINE void erts_port_task_sched_lock(ErtsPortTaskSched *ptsp); ERTS_GLB_INLINE void erts_port_task_sched_unlock(ErtsPortTaskSched *ptsp); ERTS_GLB_INLINE int erts_port_task_sched_lock_is_locked(ErtsPortTaskSched *ptsp); +ERTS_GLB_INLINE void erts_port_task_sched_enter_exiting_state(ErtsPortTaskSched *ptsp); #ifdef ERTS_INCLUDE_SCHEDULER_INTERNALS ERTS_GLB_INLINE int erts_port_task_have_outstanding_io_tasks(void); @@ -151,7 +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, @@ -182,11 +187,13 @@ erts_port_task_init_sched(ErtsPortTaskSched *ptsp, Eterm instr_id) ptsp->taskq.in.last = NULL; erts_smp_atomic32_init_nob(&ptsp->flags, 0); #ifdef ERTS_SMP + erts_mtx_init_x(&ptsp->mtx, lock_str, instr_id, #ifdef ERTS_ENABLE_LOCK_COUNT - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK)) - lock_str = NULL; + (erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK) +#else + 1 #endif - erts_mtx_init_x(&ptsp->mtx, lock_str, instr_id); + ); #endif } @@ -225,6 +232,12 @@ erts_port_task_fini_sched(ErtsPortTaskSched *ptsp) #endif } +ERTS_GLB_INLINE void +erts_port_task_sched_enter_exiting_state(ErtsPortTaskSched *ptsp) +{ + erts_smp_atomic32_read_bor_nob(&ptsp->flags, ERTS_PTS_FLG_EXITING); +} + #ifdef ERTS_INCLUDE_SCHEDULER_INTERNALS ERTS_GLB_INLINE int @@ -243,7 +256,9 @@ int erts_port_task_execute(ErtsRunQueue *, Port **); void erts_port_task_init(void); #endif +void erts_port_task_tmp_handle_detach(ErtsPortTaskHandle *); int erts_port_task_abort(ErtsPortTaskHandle *); + void erts_port_task_abort_nosuspend_tasks(Port *); int erts_port_task_schedule(Eterm, |