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authorRickard Green <rickard@erlang.org>2018-04-13 14:33:38 +0200
committerRickard Green <rickard@erlang.org>2018-05-16 13:28:46 +0200
commit78f639da759cd3f8b5f28bc86ec404f3c3db60f4 (patch)
tree1e449df42cf4bd3e840a10de105a4646d19136e9 /erts/emulator/beam/erl_process.h
parent08873ec673ef223a4e0c9826b0370d80bb6aad24 (diff)
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New process suspend implementation based on async signaling
Diffstat (limited to 'erts/emulator/beam/erl_process.h')
-rw-r--r--erts/emulator/beam/erl_process.h46
1 files changed, 13 insertions, 33 deletions
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 1e9f9b07b7..a60e117bab 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -805,14 +805,15 @@ erts_reset_max_len(ErtsRunQueue *rq, ErtsRunQueueInfo *rqi)
#define ERTS_PSD_ETS_OWNED_TABLES 6
#define ERTS_PSD_ETS_FIXED_TABLES 7
#define ERTS_PSD_DIST_ENTRY 8
-#define ERTS_PSD_SUSPENDED_SAVED_CALLS_BUF 9 /* keep last... */
+#define ERTS_PSD_PENDING_SUSPEND 9
+#define ERTS_PSD_SUSPENDED_SAVED_CALLS_BUF 10 /* keep last... */
-#define ERTS_PSD_SIZE 10
+#define ERTS_PSD_SIZE 11
#if !defined(HIPE)
# undef ERTS_PSD_SUSPENDED_SAVED_CALLS_BUF
# undef ERTS_PSD_SIZE
-# define ERTS_PSD_SIZE 9
+# define ERTS_PSD_SIZE 10
#endif
typedef struct {
@@ -849,6 +850,9 @@ typedef struct {
#define ERTS_PSD_DIST_ENTRY_GET_LOCKS ERTS_PROC_LOCK_MAIN
#define ERTS_PSD_DIST_ENTRY_SET_LOCKS ERTS_PROC_LOCK_MAIN
+#define ERTS_PSD_PENDING_SUSPEND_GET_LOCKS ERTS_PROC_LOCK_MAIN
+#define ERTS_PSD_PENDING_SUSPEND_SET_LOCKS ERTS_PROC_LOCK_MAIN
+
typedef struct {
ErtsProcLocks get_locks;
ErtsProcLocks set_locks;
@@ -884,20 +888,6 @@ typedef struct {
typedef struct ErtsProcSysTask_ ErtsProcSysTask;
typedef struct ErtsProcSysTaskQs_ ErtsProcSysTaskQs;
-
-typedef struct ErtsPendingSuspend_ ErtsPendingSuspend;
-struct ErtsPendingSuspend_ {
- ErtsPendingSuspend *next;
- ErtsPendingSuspend *end;
- Eterm pid;
- void (*handle_func)(Process *suspendee,
- ErtsProcLocks suspendee_locks,
- int suspendee_alive,
- Eterm pid);
-};
-
-
-
/* Defines to ease the change of memory architecture */
# define HEAP_START(p) (p)->heap
# define HEAP_TOP(p) (p)->htop
@@ -992,9 +982,6 @@ struct process {
Process *next; /* Pointer to next process in run queue */
- ErtsMonitor *suspend_monitors; /* Processes suspended by this process via
- erlang:suspend_process/1 */
-
ErtsSignalPrivQueues sig_qs; /* Signal queues */
ErtsBifTimers *bif_timers; /* Bif timers aiming at this process */
@@ -1058,8 +1045,6 @@ struct process {
ErlTraceMessageQueue *trace_msg_q;
erts_proc_lock_t lock;
ErtsSchedulerData *scheduler_data;
- Eterm suspendee;
- ErtsPendingSuspend *pending_suspenders;
erts_atomic_t run_queue;
#ifdef CHECK_FOR_HOLES
@@ -1377,7 +1362,7 @@ extern int erts_system_profile_ts_type;
#define F_DISTRIBUTION (1 << 6) /* Process used in distribution */
#define F_USING_DDLL (1 << 7) /* Process has used the DDLL interface */
#define F_HAVE_BLCKD_MSCHED (1 << 8) /* Process has blocked multi-scheduling */
-#define F_P2PNR_RESCHED (1 << 9) /* Process has been rescheduled via erts_pid2proc_not_running() */
+#define F_UNUSED (1 << 9)
#define F_FORCE_GC (1 << 10) /* Force gc at process in-scheduling */
#define F_DISABLE_GC (1 << 11) /* Disable GC (see below) */
#define F_OFF_HEAP_MSGQ (1 << 12) /* Off heap msg queue */
@@ -2047,6 +2032,11 @@ erts_psd_set(Process *p, int ix, void *data)
#define ERTS_PROC_SET_DIST_ENTRY(P, DE) \
((DistEntry *) erts_psd_set((P), ERTS_PSD_DIST_ENTRY, (void *) (DE)))
+#define ERTS_PROC_GET_PENDING_SUSPEND(P) \
+ ((void *) erts_psd_get((P), ERTS_PSD_PENDING_SUSPEND))
+#define ERTS_PROC_SET_PENDING_SUSPEND(P, PS) \
+ ((void *) erts_psd_set((P), ERTS_PSD_PENDING_SUSPEND, (void *) (PS)))
+
#ifdef HIPE
#define ERTS_PROC_GET_SUSPENDED_SAVED_CALLS_BUF(P) \
((struct saved_calls *) erts_psd_get((P), ERTS_PSD_SUSPENDED_SAVED_CALLS_BUF))
@@ -2611,16 +2601,6 @@ Process *erts_try_lock_sig_free_proc(Eterm pid,
ErtsProcLocks locks,
erts_aint32_t *statep);
-Process *erts_pid2proc_not_running(Process *,
- ErtsProcLocks,
- Eterm,
- ErtsProcLocks);
-Process *erts_pid2proc_nropt(Process *c_p,
- ErtsProcLocks c_p_locks,
- Eterm pid,
- ErtsProcLocks pid_locks);
-extern int erts_disable_proc_not_running_opt;
-
#ifdef DEBUG
#define ERTS_ASSERT_IS_NOT_EXITING(P) \
do { ASSERT(!ERTS_PROC_IS_EXITING((P))); } while (0)