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-rw-r--r--erts/emulator/beam/sys.h277
1 files changed, 0 insertions, 277 deletions
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 9f5747205d..b63fe98f27 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -702,283 +702,6 @@ typedef struct {
void sys_alloc_stat(SysAllocStat *);
-/* Block the whole system... */
-
-#define ERTS_BS_FLG_ALLOW_GC (((Uint32) 1) << 0)
-#define ERTS_BS_FLG_ALLOW_IO (((Uint32) 1) << 1)
-
-/* Activities... */
-typedef enum {
- ERTS_ACTIVITY_UNDEFINED, /* Undefined activity */
- ERTS_ACTIVITY_WAIT, /* Waiting */
- ERTS_ACTIVITY_GC, /* Garbage collecting */
- ERTS_ACTIVITY_IO /* I/O including message passing to erl procs */
-} erts_activity_t;
-
-#ifdef ERTS_SMP
-
-typedef enum {
- ERTS_ACT_ERR_LEAVE_WAIT_UNLOCKED,
- ERTS_ACT_ERR_LEAVE_UNKNOWN_ACTIVITY,
- ERTS_ACT_ERR_ENTER_UNKNOWN_ACTIVITY
-} erts_activity_error_t;
-
-typedef struct {
- erts_smp_atomic32_t do_block;
- struct {
- erts_smp_atomic32_t wait;
- erts_smp_atomic32_t gc;
- erts_smp_atomic32_t io;
- } in_activity;
-} erts_system_block_state_t;
-
-extern erts_system_block_state_t erts_system_block_state;
-
-int erts_is_system_blocked(erts_activity_t allowed_activities);
-void erts_block_me(void (*prepare)(void *), void (*resume)(void *), void *arg);
-void erts_register_blockable_thread(void);
-void erts_unregister_blockable_thread(void);
-void erts_note_activity_begin(erts_activity_t activity);
-void
-erts_check_block(erts_activity_t old_activity,
- erts_activity_t new_activity,
- int locked,
- void (*prepare)(void *),
- void (*resume)(void *),
- void *arg);
-void erts_block_system(Uint32 allowed_activities);
-int erts_emergency_block_system(long timeout, Uint32 allowed_activities);
-void erts_release_system(void);
-void erts_system_block_init(void);
-void erts_set_activity_error(erts_activity_error_t, char *, int);
-#ifdef ERTS_ENABLE_LOCK_CHECK
-void erts_lc_activity_change_begin(void);
-void erts_lc_activity_change_end(void);
-int erts_lc_is_blocking(void);
-#define ERTS_LC_IS_BLOCKING \
- (erts_smp_pending_system_block() && erts_lc_is_blocking())
-#endif
-#endif
-
-#define erts_smp_activity_begin(NACT, PRP, RSM, ARG) \
- erts_smp_set_activity(ERTS_ACTIVITY_UNDEFINED, \
- (NACT), \
- 0, \
- (PRP), \
- (RSM), \
- (ARG), \
- __FILE__, \
- __LINE__)
-#define erts_smp_activity_change(OACT, NACT, PRP, RSM, ARG) \
- erts_smp_set_activity((OACT), \
- (NACT), \
- 0, \
- (PRP), \
- (RSM), \
- (ARG), \
- __FILE__, \
- __LINE__)
-#define erts_smp_activity_end(OACT, PRP, RSM, ARG) \
- erts_smp_set_activity((OACT), \
- ERTS_ACTIVITY_UNDEFINED, \
- 0, \
- (PRP), \
- (RSM), \
- (ARG), \
- __FILE__, \
- __LINE__)
-
-#define erts_smp_locked_activity_begin(NACT) \
- erts_smp_set_activity(ERTS_ACTIVITY_UNDEFINED, \
- (NACT), \
- 1, \
- NULL, \
- NULL, \
- NULL, \
- __FILE__, \
- __LINE__)
-#define erts_smp_locked_activity_change(OACT, NACT) \
- erts_smp_set_activity((OACT), \
- (NACT), \
- 1, \
- NULL, \
- NULL, \
- NULL, \
- __FILE__, \
- __LINE__)
-#define erts_smp_locked_activity_end(OACT) \
- erts_smp_set_activity((OACT), \
- ERTS_ACTIVITY_UNDEFINED, \
- 1, \
- NULL, \
- NULL, \
- NULL, \
- __FILE__, \
- __LINE__)
-
-
-ERTS_GLB_INLINE int erts_smp_is_system_blocked(erts_activity_t allowed_activities);
-ERTS_GLB_INLINE void erts_smp_block_system(Uint32 allowed_activities);
-ERTS_GLB_INLINE int erts_smp_emergency_block_system(long timeout,
- Uint32 allowed_activities);
-ERTS_GLB_INLINE void erts_smp_release_system(void);
-ERTS_GLB_INLINE int erts_smp_pending_system_block(void);
-ERTS_GLB_INLINE void erts_smp_chk_system_block(void (*prepare)(void *),
- void (*resume)(void *),
- void *arg);
-ERTS_GLB_INLINE void
-erts_smp_set_activity(erts_activity_t old_activity,
- erts_activity_t new_activity,
- int locked,
- void (*prepare)(void *),
- void (*resume)(void *),
- void *arg,
- char *file,
- int line);
-
-#if ERTS_GLB_INLINE_INCL_FUNC_DEF
-
-
-ERTS_GLB_INLINE int
-erts_smp_is_system_blocked(erts_activity_t allowed_activities)
-{
-#ifdef ERTS_SMP
- return erts_is_system_blocked(allowed_activities);
-#else
- return 1;
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_block_system(Uint32 allowed_activities)
-{
-#ifdef ERTS_SMP
- erts_block_system(allowed_activities);
-#endif
-}
-
-ERTS_GLB_INLINE int
-erts_smp_emergency_block_system(long timeout, Uint32 allowed_activities)
-{
-#ifdef ERTS_SMP
- return erts_emergency_block_system(timeout, allowed_activities);
-#else
- return 0;
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_release_system(void)
-{
-#ifdef ERTS_SMP
- erts_release_system();
-#endif
-}
-
-ERTS_GLB_INLINE int
-erts_smp_pending_system_block(void)
-{
-#ifdef ERTS_SMP
- return (int) erts_smp_atomic32_read_nob(&erts_system_block_state.do_block);
-#else
- return 0;
-#endif
-}
-
-
-ERTS_GLB_INLINE void
-erts_smp_chk_system_block(void (*prepare)(void *),
- void (*resume)(void *),
- void *arg)
-{
-#ifdef ERTS_SMP
- if (erts_smp_pending_system_block())
- erts_block_me(prepare, resume, arg);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_set_activity(erts_activity_t old_activity,
- erts_activity_t new_activity,
- int locked,
- void (*prepare)(void *),
- void (*resume)(void *),
- void *arg,
- char *file,
- int line)
-{
-#ifdef ERTS_SMP
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_activity_change_begin();
-#endif
- switch (old_activity) {
- case ERTS_ACTIVITY_UNDEFINED:
- break;
- case ERTS_ACTIVITY_WAIT:
- erts_smp_atomic32_dec_acqb(&erts_system_block_state.in_activity.wait);
- if (locked) {
- /* You are not allowed to leave activity waiting
- * without supplying the possibility to block
- * unlocked.
- */
- erts_set_activity_error(ERTS_ACT_ERR_LEAVE_WAIT_UNLOCKED,
- file, line);
- }
- break;
- case ERTS_ACTIVITY_GC:
- erts_smp_atomic32_dec_acqb(&erts_system_block_state.in_activity.gc);
- break;
- case ERTS_ACTIVITY_IO:
- erts_smp_atomic32_dec_acqb(&erts_system_block_state.in_activity.io);
- break;
- default:
- erts_set_activity_error(ERTS_ACT_ERR_LEAVE_UNKNOWN_ACTIVITY,
- file, line);
- break;
- }
-
- /* We are not allowed to block when going to activity waiting... */
- if (new_activity != ERTS_ACTIVITY_WAIT && erts_smp_pending_system_block())
- erts_check_block(old_activity,new_activity,locked,prepare,resume,arg);
-
- switch (new_activity) {
- case ERTS_ACTIVITY_UNDEFINED:
- break;
- case ERTS_ACTIVITY_WAIT:
- erts_smp_atomic32_inc_mb(&erts_system_block_state.in_activity.wait);
- break;
- case ERTS_ACTIVITY_GC:
- erts_smp_atomic32_inc_mb(&erts_system_block_state.in_activity.gc);
- break;
- case ERTS_ACTIVITY_IO:
- erts_smp_atomic32_inc_mb(&erts_system_block_state.in_activity.io);
- break;
- default:
- erts_set_activity_error(ERTS_ACT_ERR_ENTER_UNKNOWN_ACTIVITY,
- file, line);
- break;
- }
-
- switch (new_activity) {
- case ERTS_ACTIVITY_WAIT:
- case ERTS_ACTIVITY_GC:
- case ERTS_ACTIVITY_IO:
- if (erts_smp_pending_system_block())
- erts_note_activity_begin(new_activity);
- break;
- default:
- break;
- }
-
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_activity_change_end();
-#endif
-
-#endif
-}
-
-#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
-
#if defined(DEBUG) || defined(ERTS_ENABLE_LOCK_CHECK)
#undef ERTS_REFC_DEBUG
#define ERTS_REFC_DEBUG
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 20:39:45 +0000