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Diffstat (limited to 'erts/emulator/beam/erl_process_lock.h')
-rw-r--r--erts/emulator/beam/erl_process_lock.h56
1 files changed, 10 insertions, 46 deletions
diff --git a/erts/emulator/beam/erl_process_lock.h b/erts/emulator/beam/erl_process_lock.h
index 9d5691d3c4..43f396c547 100644
--- a/erts/emulator/beam/erl_process_lock.h
+++ b/erts/emulator/beam/erl_process_lock.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2007-2017. All Rights Reserved.
+ * Copyright Ericsson AB 2007-2018. 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.
@@ -66,7 +66,7 @@
#endif
-#define ERTS_PROC_LOCK_MAX_BIT 5
+#define ERTS_PROC_LOCK_MAX_BIT 4
typedef erts_aint32_t ErtsProcLocks;
@@ -82,19 +82,17 @@ typedef struct erts_proc_lock_t_ {
/* Each erts_mtx_t has its own lock counter ^ */
#define ERTS_LCNT_PROCLOCK_IDX_MAIN 0
- #define ERTS_LCNT_PROCLOCK_IDX_LINK 1
- #define ERTS_LCNT_PROCLOCK_IDX_MSGQ 2
- #define ERTS_LCNT_PROCLOCK_IDX_BTM 3
- #define ERTS_LCNT_PROCLOCK_IDX_STATUS 4
- #define ERTS_LCNT_PROCLOCK_IDX_TRACE 5
+ #define ERTS_LCNT_PROCLOCK_IDX_MSGQ 1
+ #define ERTS_LCNT_PROCLOCK_IDX_BTM 2
+ #define ERTS_LCNT_PROCLOCK_IDX_STATUS 3
+ #define ERTS_LCNT_PROCLOCK_IDX_TRACE 4
- #define ERTS_LCNT_PROCLOCK_COUNT 6
+ #define ERTS_LCNT_PROCLOCK_COUNT 5
erts_lcnt_ref_t lcnt_carrier;
#endif
#elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL
erts_mtx_t main;
- erts_mtx_t link;
erts_mtx_t msgq;
erts_mtx_t btm;
erts_mtx_t status;
@@ -118,27 +116,18 @@ typedef struct erts_proc_lock_t_ {
#define ERTS_PROC_LOCK_MAIN (((ErtsProcLocks) 1) << 0)
/*
- * Link lock:
- * Protects the following fields in the process structure:
- * * nlinks
- * * monitors
- * * suspend_monitors
- */
-#define ERTS_PROC_LOCK_LINK (((ErtsProcLocks) 1) << 1)
-
-/*
* Message queue lock:
* Protects the following fields in the process structure:
* * msg_inq
*/
-#define ERTS_PROC_LOCK_MSGQ (((ErtsProcLocks) 1) << 2)
+#define ERTS_PROC_LOCK_MSGQ (((ErtsProcLocks) 1) << 1)
/*
* Bif timer lock:
* Protects the following fields in the process structure:
* * bif_timers
*/
-#define ERTS_PROC_LOCK_BTM (((ErtsProcLocks) 1) << 3)
+#define ERTS_PROC_LOCK_BTM (((ErtsProcLocks) 1) << 2)
/*
* Status lock:
@@ -148,7 +137,7 @@ typedef struct erts_proc_lock_t_ {
* * sys_tasks
* * ...
*/
-#define ERTS_PROC_LOCK_STATUS (((ErtsProcLocks) 1) << 4)
+#define ERTS_PROC_LOCK_STATUS (((ErtsProcLocks) 1) << 3)
/*
* Trace message lock:
@@ -277,9 +266,6 @@ void erts_lcnt_proc_lock(erts_proc_lock_t *lock, ErtsProcLocks locks) {
if (locks & ERTS_PROC_LOCK_MAIN) {
erts_lcnt_lock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MAIN);
}
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_lock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_LINK);
- }
if (locks & ERTS_PROC_LOCK_MSGQ) {
erts_lcnt_lock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MSGQ);
}
@@ -307,9 +293,6 @@ void erts_lcnt_proc_lock_post_x(erts_proc_lock_t *lock, ErtsProcLocks locks,
if (locks & ERTS_PROC_LOCK_MAIN) {
erts_lcnt_lock_post_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MAIN, file, line);
}
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_lock_post_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_LINK, file, line);
- }
if (locks & ERTS_PROC_LOCK_MSGQ) {
erts_lcnt_lock_post_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MSGQ, file, line);
}
@@ -336,9 +319,6 @@ void erts_lcnt_proc_lock_unacquire(erts_proc_lock_t *lock, ErtsProcLocks locks)
if (locks & ERTS_PROC_LOCK_MAIN) {
erts_lcnt_lock_unacquire_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MAIN);
}
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_lock_unacquire_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_LINK);
- }
if (locks & ERTS_PROC_LOCK_MSGQ) {
erts_lcnt_lock_unacquire_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MSGQ);
}
@@ -365,9 +345,6 @@ void erts_lcnt_proc_unlock(erts_proc_lock_t *lock, ErtsProcLocks locks) {
if (locks & ERTS_PROC_LOCK_MAIN) {
erts_lcnt_unlock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MAIN);
}
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_unlock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_LINK);
- }
if (locks & ERTS_PROC_LOCK_MSGQ) {
erts_lcnt_unlock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MSGQ);
}
@@ -394,9 +371,6 @@ void erts_lcnt_proc_trylock(erts_proc_lock_t *lock, ErtsProcLocks locks, int res
if (locks & ERTS_PROC_LOCK_MAIN) {
erts_lcnt_trylock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MAIN, res);
}
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_trylock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_LINK, res);
- }
if (locks & ERTS_PROC_LOCK_MSGQ) {
erts_lcnt_trylock_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MSGQ, res);
}
@@ -640,9 +614,6 @@ erts_proc_raw_trylock__(Process *p, ErtsProcLocks locks)
if (locks & ERTS_PROC_LOCK_MAIN)
if (erts_mtx_trylock(&p->lock.main) == EBUSY)
goto busy_main;
- if (locks & ERTS_PROC_LOCK_LINK)
- if (erts_mtx_trylock(&p->lock.link) == EBUSY)
- goto busy_link;
if (locks & ERTS_PROC_LOCK_MSGQ)
if (erts_mtx_trylock(&p->lock.msgq) == EBUSY)
goto busy_msgq;
@@ -668,9 +639,6 @@ busy_btm:
if (locks & ERTS_PROC_LOCK_MSGQ)
erts_mtx_unlock(&p->lock.msgq);
busy_msgq:
- if (locks & ERTS_PROC_LOCK_LINK)
- erts_mtx_unlock(&p->lock.link);
-busy_link:
if (locks & ERTS_PROC_LOCK_MAIN)
erts_mtx_unlock(&p->lock.main);
busy_main:
@@ -741,8 +709,6 @@ erts_proc_lock__(Process *p,
#elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL
if (locks & ERTS_PROC_LOCK_MAIN)
erts_mtx_lock(&p->lock.main);
- if (locks & ERTS_PROC_LOCK_LINK)
- erts_mtx_lock(&p->lock.link);
if (locks & ERTS_PROC_LOCK_MSGQ)
erts_mtx_lock(&p->lock.msgq);
if (locks & ERTS_PROC_LOCK_BTM)
@@ -844,8 +810,6 @@ erts_proc_unlock__(Process *p,
erts_mtx_unlock(&p->lock.btm);
if (locks & ERTS_PROC_LOCK_MSGQ)
erts_mtx_unlock(&p->lock.msgq);
- if (locks & ERTS_PROC_LOCK_LINK)
- erts_mtx_unlock(&p->lock.link);
if (locks & ERTS_PROC_LOCK_MAIN)
erts_mtx_unlock(&p->lock.main);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 12:33:54 +0000