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-rw-r--r--erts/emulator/beam/erl_port_task.h100
1 files changed, 33 insertions, 67 deletions
diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h
index 1d30465ec9..ae78a7d8a3 100644
--- a/erts/emulator/beam/erl_port_task.h
+++ b/erts/emulator/beam/erl_port_task.h
@@ -1,18 +1,19 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2006-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2006-2017. 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
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -26,11 +27,11 @@
#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__
@@ -55,17 +56,11 @@ typedef erts_smp_atomic_t ErtsPortTaskHandle;
typedef enum {
ERTS_PORT_TASK_INPUT,
ERTS_PORT_TASK_OUTPUT,
- ERTS_PORT_TASK_EVENT,
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)
@@ -78,6 +73,7 @@ extern erts_smp_atomic_t erts_port_task_outstanding_io_tasks;
#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)
@@ -87,6 +83,7 @@ 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_EXEC_IMM \
| ERTS_PTS_FLG_FORCE_SCHED \
| ERTS_PTS_FLG_EXITING)
@@ -95,8 +92,8 @@ 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;
@@ -121,10 +118,8 @@ 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);
@@ -139,22 +134,18 @@ 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);
-#endif
-
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
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_nob(pthp)) != NULL;
+ return ((void *) erts_atomic_read_acqb(pthp)) != NULL;
}
ERTS_GLB_INLINE void erts_port_task_pre_init_sched(ErtsPortTaskSched *ptsp,
@@ -162,9 +153,9 @@ 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;
}
@@ -172,9 +163,7 @@ 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;
@@ -183,38 +172,26 @@ 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;
@@ -225,35 +202,25 @@ 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
-
-ERTS_GLB_INLINE int
-erts_port_task_have_outstanding_io_tasks(void)
-{
- return (erts_smp_atomic_read_acqb(&erts_port_task_outstanding_io_tasks)
- != 0);
-}
-
-#endif /* ERTS_INCLUDE_SCHEDULER_INTERNALS */
-
#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 *);
@@ -264,13 +231,12 @@ 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__ */