aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/erl_port_task.h
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/erl_port_task.h')
-rw-r--r--erts/emulator/beam/erl_port_task.h78
1 files changed, 28 insertions, 50 deletions
diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h
index 2a6bd165a3..ca5183b305 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 2006-2016. 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.
@@ -27,17 +27,19 @@
#ifndef ERTS_PORT_TASK_H_BASIC_TYPES__
#define ERTS_PORT_TASK_H_BASIC_TYPES__
#include "erl_sys_driver.h"
-#include "erl_smp.h"
+#include "erl_threads.h"
#define ERL_PORT_GET_PORT_TYPE_ONLY__
#include "erl_port.h"
#undef ERL_PORT_GET_PORT_TYPE_ONLY__
-typedef erts_smp_atomic_t ErtsPortTaskHandle;
+typedef erts_atomic_t ErtsPortTaskHandle;
#endif
#ifndef ERTS_PORT_TASK_ONLY_BASIC_TYPES__
#ifndef ERL_PORT_TASK_H__
#define ERL_PORT_TASK_H__
+#include "erl_poll.h"
+
#undef ERTS_INCLUDE_SCHEDULER_INTERNALS
#if (defined(ERL_PROCESS_C__) \
|| defined(ERL_PORT_TASK_C__) \
@@ -54,19 +56,13 @@ typedef erts_smp_atomic_t ErtsPortTaskHandle;
#define ERTS_PT_FLG_BAD_OUTPUT (1 << 4)
typedef enum {
- ERTS_PORT_TASK_INPUT,
- ERTS_PORT_TASK_OUTPUT,
- ERTS_PORT_TASK_EVENT,
+ ERTS_PORT_TASK_INPUT = 0,
+ ERTS_PORT_TASK_OUTPUT = 1,
ERTS_PORT_TASK_TIMEOUT,
ERTS_PORT_TASK_DIST_CMD,
ERTS_PORT_TASK_PROC_SIG
} ErtsPortTaskType;
-#ifdef ERTS_INCLUDE_SCHEDULER_INTERNALS
-/* NOTE: Do not access any of the exported variables directly */
-extern erts_smp_atomic_t erts_port_task_outstanding_io_tasks;
-#endif
-
#define ERTS_PTS_FLG_IN_RUNQ (((erts_aint32_t) 1) << 0)
#define ERTS_PTS_FLG_EXEC (((erts_aint32_t) 1) << 1)
#define ERTS_PTS_FLG_HAVE_TASKS (((erts_aint32_t) 1) << 2)
@@ -98,8 +94,8 @@ extern erts_smp_atomic_t erts_port_task_outstanding_io_tasks;
typedef struct {
ErlDrvSizeT high;
- erts_smp_atomic_t low;
- erts_smp_atomic_t size;
+ erts_atomic_t low;
+ erts_atomic_t size;
} ErtsPortTaskBusyPortQ;
typedef struct ErtsPortTask_ ErtsPortTask;
@@ -124,10 +120,8 @@ typedef struct {
} in;
ErtsPortTaskBusyPortQ *bpq;
} taskq;
- erts_smp_atomic32_t flags;
-#ifdef ERTS_SMP
+ erts_atomic32_t flags;
erts_mtx_t mtx;
-#endif
} ErtsPortTaskSched;
ERTS_GLB_INLINE void erts_port_task_handle_init(ErtsPortTaskHandle *pthp);
@@ -142,8 +136,10 @@ 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
+#if defined(ERTS_INCLUDE_SCHEDULER_INTERNALS) && ERTS_POLL_USE_SCHEDULER_POLLING
ERTS_GLB_INLINE int erts_port_task_have_outstanding_io_tasks(void);
+/* NOTE: Do not access any of the exported variables directly */
+extern erts_atomic_t erts_port_task_outstanding_io_tasks;
#endif
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
@@ -151,13 +147,13 @@ ERTS_GLB_INLINE int erts_port_task_have_outstanding_io_tasks(void);
ERTS_GLB_INLINE void
erts_port_task_handle_init(ErtsPortTaskHandle *pthp)
{
- erts_smp_atomic_init_nob(pthp, (erts_aint_t) NULL);
+ erts_atomic_init_nob(pthp, (erts_aint_t) NULL);
}
ERTS_GLB_INLINE int
erts_port_task_is_scheduled(ErtsPortTaskHandle *pthp)
{
- return ((void *) erts_smp_atomic_read_acqb(pthp)) != NULL;
+ return ((void *) erts_atomic_read_acqb(pthp)) != NULL;
}
ERTS_GLB_INLINE void erts_port_task_pre_init_sched(ErtsPortTaskSched *ptsp,
@@ -165,9 +161,9 @@ ERTS_GLB_INLINE void erts_port_task_pre_init_sched(ErtsPortTaskSched *ptsp,
{
if (bpq) {
erts_aint_t low = (erts_aint_t) ERTS_PORT_TASK_DEFAULT_BUSY_PORT_Q_LOW;
- erts_smp_atomic_init_nob(&bpq->low, low);
+ erts_atomic_init_nob(&bpq->low, low);
bpq->high = (ErlDrvSizeT) ERTS_PORT_TASK_DEFAULT_BUSY_PORT_Q_HIGH;
- erts_smp_atomic_init_nob(&bpq->size, (erts_aint_t) 0);
+ erts_atomic_init_nob(&bpq->size, (erts_aint_t) 0);
}
ptsp->taskq.bpq = bpq;
}
@@ -175,9 +171,7 @@ ERTS_GLB_INLINE void erts_port_task_pre_init_sched(ErtsPortTaskSched *ptsp,
ERTS_GLB_INLINE void
erts_port_task_init_sched(ErtsPortTaskSched *ptsp, Eterm instr_id)
{
-#ifdef ERTS_SMP
char *lock_str = "port_sched_lock";
-#endif
ptsp->next = NULL;
ptsp->taskq.local.busy.first = NULL;
ptsp->taskq.local.busy.last = NULL;
@@ -186,38 +180,26 @@ erts_port_task_init_sched(ErtsPortTaskSched *ptsp, Eterm instr_id)
ptsp->taskq.local.first = NULL;
ptsp->taskq.in.first = NULL;
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
- (erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK)
-#else
- 1
-#endif
- );
-#endif
+ erts_atomic32_init_nob(&ptsp->flags, 0);
+ erts_mtx_init(&ptsp->mtx, lock_str, instr_id, ERTS_LOCK_FLAGS_CATEGORY_IO);
}
ERTS_GLB_INLINE void
erts_port_task_sched_lock(ErtsPortTaskSched *ptsp)
{
-#ifdef ERTS_SMP
erts_mtx_lock(&ptsp->mtx);
-#endif
}
ERTS_GLB_INLINE void
erts_port_task_sched_unlock(ErtsPortTaskSched *ptsp)
{
-#ifdef ERTS_SMP
erts_mtx_unlock(&ptsp->mtx);
-#endif
}
ERTS_GLB_INLINE int
erts_port_task_sched_lock_is_locked(ErtsPortTaskSched *ptsp)
{
-#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
+#if defined(ERTS_ENABLE_LOCK_CHECK)
return erts_lc_mtx_is_locked(&ptsp->mtx);
#else
return 0;
@@ -228,35 +210,34 @@ erts_port_task_sched_lock_is_locked(ErtsPortTaskSched *ptsp)
ERTS_GLB_INLINE void
erts_port_task_fini_sched(ErtsPortTaskSched *ptsp)
{
-#ifdef ERTS_SMP
erts_mtx_destroy(&ptsp->mtx);
-#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);
+ erts_atomic32_read_bor_nob(&ptsp->flags, ERTS_PTS_FLG_EXITING);
}
-#ifdef ERTS_INCLUDE_SCHEDULER_INTERNALS
-
+#if defined(ERTS_INCLUDE_SCHEDULER_INTERNALS) && ERTS_POLL_USE_SCHEDULER_POLLING
ERTS_GLB_INLINE int
erts_port_task_have_outstanding_io_tasks(void)
{
- return (erts_smp_atomic_read_acqb(&erts_port_task_outstanding_io_tasks)
+ return (erts_atomic_read_acqb(&erts_port_task_outstanding_io_tasks)
!= 0);
}
-
-#endif /* ERTS_INCLUDE_SCHEDULER_INTERNALS */
+#endif
#endif
#ifdef ERTS_INCLUDE_SCHEDULER_INTERNALS
-int erts_port_task_execute(ErtsRunQueue *, Port **);
+void erts_port_task_execute(ErtsRunQueue *, Port **);
void erts_port_task_init(void);
#endif
+/* generated for 'port_task' quick allocator */
+void erts_port_task_pre_alloc_init_thread(void);
+
void erts_port_task_tmp_handle_detach(ErtsPortTaskHandle *);
int erts_port_task_abort(ErtsPortTaskHandle *);
@@ -267,15 +248,12 @@ 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);
-#ifdef ERTS_SMP
void erts_enqueue_port(ErtsRunQueue *rq, Port *pp);
Port *erts_dequeue_port(ErtsRunQueue *rq);
-#endif
#undef ERTS_INCLUDE_SCHEDULER_INTERNALS
#endif /* ERL_PORT_TASK_H__ */
#endif /* ERTS_PORT_TASK_ONLY_BASIC_TYPES__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 12:52:52 +0000