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-rw-r--r--erts/emulator/beam/erl_process_lock.c321
1 files changed, 180 insertions, 141 deletions
diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c
index 82cc68222d..0bee2c848c 100644
--- a/erts/emulator/beam/erl_process_lock.c
+++ b/erts/emulator/beam/erl_process_lock.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 2007-2012. 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/.
+ * 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
*
- * 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.
+ * 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%
*/
@@ -103,12 +104,16 @@ static struct {
Sint16 proc_lock_main;
Sint16 proc_lock_link;
Sint16 proc_lock_msgq;
+ Sint16 proc_lock_btm;
Sint16 proc_lock_status;
} lc_id;
#endif
erts_pix_lock_t erts_pix_locks[ERTS_NO_OF_PIX_LOCKS];
+#ifdef ERTS_ENABLE_LOCK_COUNT
+static void lcnt_enable_proc_lock_count(Process *proc, int enable);
+#endif
void
erts_init_proc_lock(int cpus)
@@ -145,6 +150,7 @@ erts_init_proc_lock(int cpus)
lc_id.proc_lock_main = erts_lc_get_lock_order_id("proc_main");
lc_id.proc_lock_link = erts_lc_get_lock_order_id("proc_link");
lc_id.proc_lock_msgq = erts_lc_get_lock_order_id("proc_msgq");
+ lc_id.proc_lock_btm = erts_lc_get_lock_order_id("proc_btm");
lc_id.proc_lock_status = erts_lc_get_lock_order_id("proc_status");
#endif
}
@@ -707,7 +713,7 @@ proc_safelock(int is_managed,
need_locks1 |= unlock_locks;
if (!is_managed && !have_locks1) {
refc1 = 1;
- erts_smp_proc_inc_refc(p1);
+ erts_proc_inc_refc(p1);
}
erts_smp_proc_unlock(p1, unlock_locks);
}
@@ -717,7 +723,7 @@ proc_safelock(int is_managed,
need_locks2 |= unlock_locks;
if (!is_managed && !have_locks2) {
refc2 = 1;
- erts_smp_proc_inc_refc(p2);
+ erts_proc_inc_refc(p2);
}
erts_smp_proc_unlock(p2, unlock_locks);
}
@@ -798,9 +804,9 @@ proc_safelock(int is_managed,
if (!is_managed) {
if (refc1)
- erts_smp_proc_dec_refc(p1);
+ erts_proc_dec_refc(p1);
if (refc2)
- erts_smp_proc_dec_refc(p2);
+ erts_proc_dec_refc(p2);
}
}
@@ -861,8 +867,8 @@ erts_pid2proc_opt(Process *c_p,
return NULL;
need_locks &= ~c_p_have_locks;
if (!need_locks) {
- if (flags & ERTS_P2P_FLG_SMP_INC_REFC)
- erts_smp_proc_inc_refc(c_p);
+ if (flags & ERTS_P2P_FLG_INC_REFC)
+ erts_proc_inc_refc(c_p);
return c_p;
}
}
@@ -875,8 +881,8 @@ erts_pid2proc_opt(Process *c_p,
if (proc->common.id != pid)
proc = NULL;
else if (!need_locks) {
- if (flags & ERTS_P2P_FLG_SMP_INC_REFC)
- erts_smp_proc_inc_refc(proc);
+ if (flags & ERTS_P2P_FLG_INC_REFC)
+ erts_proc_inc_refc(proc);
}
else {
int busy;
@@ -916,8 +922,8 @@ erts_pid2proc_opt(Process *c_p,
#endif
if (!busy) {
- if (flags & ERTS_P2P_FLG_SMP_INC_REFC)
- erts_smp_proc_inc_refc(proc);
+ if (flags & ERTS_P2P_FLG_INC_REFC)
+ erts_proc_inc_refc(proc);
#if ERTS_PROC_LOCK_OWN_IMPL && defined(ERTS_ENABLE_LOCK_COUNT)
/* all is great */
@@ -932,8 +938,8 @@ erts_pid2proc_opt(Process *c_p,
proc = ERTS_PROC_LOCK_BUSY;
else {
int managed;
- if (flags & ERTS_P2P_FLG_SMP_INC_REFC)
- erts_smp_proc_inc_refc(proc);
+ if (flags & ERTS_P2P_FLG_INC_REFC)
+ erts_proc_inc_refc(proc);
#if ERTS_PROC_LOCK_OWN_IMPL && defined(ERTS_ENABLE_LOCK_COUNT)
erts_lcnt_proc_lock_unaquire(&proc->lock, lcnt_locks);
@@ -941,7 +947,7 @@ erts_pid2proc_opt(Process *c_p,
managed = dhndl == ERTS_THR_PRGR_DHANDLE_MANAGED;
if (!managed) {
- erts_smp_proc_inc_refc(proc);
+ erts_proc_inc_refc(proc);
erts_thr_progress_unmanaged_continue(dhndl);
dec_refc_proc = proc;
@@ -978,14 +984,14 @@ erts_pid2proc_opt(Process *c_p,
erts_smp_proc_unlock(proc, need_locks);
- if (flags & ERTS_P2P_FLG_SMP_INC_REFC)
+ if (flags & ERTS_P2P_FLG_INC_REFC)
dec_refc_proc = proc;
proc = NULL;
}
if (dec_refc_proc)
- erts_smp_proc_dec_refc(dec_refc_proc);
+ erts_proc_dec_refc(dec_refc_proc);
#if ERTS_PROC_LOCK_OWN_IMPL && defined(ERTS_PROC_LOCK_DEBUG)
ERTS_LC_ASSERT(!proc
@@ -1001,7 +1007,9 @@ erts_pid2proc_opt(Process *c_p,
void
erts_proc_lock_init(Process *p)
{
+#if ERTS_PROC_LOCK_OWN_IMPL || defined(ERTS_PROC_LOCK_DEBUG)
int i;
+#endif
#if ERTS_PROC_LOCK_OWN_IMPL
/* We always start with all locks locked */
#if ERTS_PROC_LOCK_ATOMIC_IMPL
@@ -1038,6 +1046,11 @@ erts_proc_lock_init(Process *p)
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_trylock(1, &p->lock.msgq.lc);
#endif
+ erts_mtx_init_x(&p->lock.btm, "proc_btm", p->common.id, do_lock_count);
+ ethr_mutex_lock(&p->lock.btm.mtx);
+#ifdef ERTS_ENABLE_LOCK_CHECK
+ erts_lc_trylock(1, &p->lock.btm.lc);
+#endif
erts_mtx_init_x(&p->lock.status, "proc_status", p->common.id,
do_lock_count);
ethr_mutex_lock(&p->lock.status.mtx);
@@ -1045,7 +1058,6 @@ erts_proc_lock_init(Process *p)
erts_lc_trylock(1, &p->lock.status.lc);
#endif
#endif
- erts_atomic32_init_nob(&p->lock.refc, 1);
#ifdef ERTS_PROC_LOCK_DEBUG
for (i = 0; i <= ERTS_PROC_LOCK_MAX_BIT; i++)
erts_smp_atomic32_init_nob(&p->lock.locked[i], (erts_aint32_t) 1);
@@ -1064,6 +1076,7 @@ erts_proc_lock_fin(Process *p)
erts_mtx_destroy(&p->lock.main);
erts_mtx_destroy(&p->lock.link);
erts_mtx_destroy(&p->lock.msgq);
+ erts_mtx_destroy(&p->lock.btm);
erts_mtx_destroy(&p->lock.status);
#endif
#if defined(ERTS_ENABLE_LOCK_COUNT) && defined(ERTS_SMP)
@@ -1074,141 +1087,109 @@ erts_proc_lock_fin(Process *p)
/* --- Process lock counting ----------------------------------------------- */
#if ERTS_PROC_LOCK_OWN_IMPL && defined(ERTS_ENABLE_LOCK_COUNT)
-void erts_lcnt_proc_lock_init(Process *p) {
- if (erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK) {
- if (p->common.id != ERTS_INVALID_PID) {
- erts_lcnt_init_lock_x(&(p->lock.lcnt_main), "proc_main", ERTS_LCNT_LT_PROCLOCK, p->common.id);
- erts_lcnt_init_lock_x(&(p->lock.lcnt_msgq), "proc_msgq", ERTS_LCNT_LT_PROCLOCK, p->common.id);
- erts_lcnt_init_lock_x(&(p->lock.lcnt_link), "proc_link", ERTS_LCNT_LT_PROCLOCK, p->common.id);
- erts_lcnt_init_lock_x(&(p->lock.lcnt_status), "proc_status", ERTS_LCNT_LT_PROCLOCK, p->common.id);
- } else {
- erts_lcnt_init_lock(&(p->lock.lcnt_main), "proc_main", ERTS_LCNT_LT_PROCLOCK);
- erts_lcnt_init_lock(&(p->lock.lcnt_msgq), "proc_msgq", ERTS_LCNT_LT_PROCLOCK);
- erts_lcnt_init_lock(&(p->lock.lcnt_link), "proc_link", ERTS_LCNT_LT_PROCLOCK);
- erts_lcnt_init_lock(&(p->lock.lcnt_status), "proc_status", ERTS_LCNT_LT_PROCLOCK);
- }
- } else {
- sys_memzero(&(p->lock.lcnt_main), sizeof(p->lock.lcnt_main));
- sys_memzero(&(p->lock.lcnt_msgq), sizeof(p->lock.lcnt_msgq));
- sys_memzero(&(p->lock.lcnt_link), sizeof(p->lock.lcnt_link));
- sys_memzero(&(p->lock.lcnt_status), sizeof(p->lock.lcnt_status));
- }
+
+void erts_lcnt_enable_proc_lock_count(int enable) {
+ int ix, max = erts_ptab_max(&erts_proc);
+ Process *proc = NULL;
+ for (ix = 0; ix < max; ++ix) {
+ if ((proc = erts_pix2proc(ix)) != NULL)
+ lcnt_enable_proc_lock_count(proc, enable);
+ } /* for all processes */
}
-
+
+void erts_lcnt_proc_lock_init(Process *p) {
+ if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) {
+ erts_lcnt_init_lock_empty(&(p->lock.lcnt_main));
+ erts_lcnt_init_lock_empty(&(p->lock.lcnt_msgq));
+ erts_lcnt_init_lock_empty(&(p->lock.lcnt_btm));
+ erts_lcnt_init_lock_empty(&(p->lock.lcnt_link));
+ erts_lcnt_init_lock_empty(&(p->lock.lcnt_status));
+ } else { /* now the common case */
+ Eterm pid = (p->common.id != ERTS_INVALID_PID) ? p->common.id : NIL;
+ erts_lcnt_init_lock_x(&(p->lock.lcnt_main), "proc_main", ERTS_LCNT_LT_PROCLOCK, pid);
+ erts_lcnt_init_lock_x(&(p->lock.lcnt_msgq), "proc_msgq", ERTS_LCNT_LT_PROCLOCK, pid);
+ erts_lcnt_init_lock_x(&(p->lock.lcnt_btm), "proc_btm", ERTS_LCNT_LT_PROCLOCK, pid);
+ erts_lcnt_init_lock_x(&(p->lock.lcnt_link), "proc_link", ERTS_LCNT_LT_PROCLOCK, pid);
+ erts_lcnt_init_lock_x(&(p->lock.lcnt_status),"proc_status",ERTS_LCNT_LT_PROCLOCK, pid);
+ } /* the lock names should really be aligned to four characters */
+} /* logic reversed */
void erts_lcnt_proc_lock_destroy(Process *p) {
erts_lcnt_destroy_lock(&(p->lock.lcnt_main));
erts_lcnt_destroy_lock(&(p->lock.lcnt_msgq));
+ erts_lcnt_destroy_lock(&(p->lock.lcnt_btm));
erts_lcnt_destroy_lock(&(p->lock.lcnt_link));
erts_lcnt_destroy_lock(&(p->lock.lcnt_status));
}
-void erts_lcnt_proc_lock(erts_proc_lock_t *lock, ErtsProcLocks locks) {
- if (erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK) {
- if (locks & ERTS_PROC_LOCK_MAIN) {
- erts_lcnt_lock(&(lock->lcnt_main));
- }
- if (locks & ERTS_PROC_LOCK_MSGQ) {
- erts_lcnt_lock(&(lock->lcnt_msgq));
- }
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_lock(&(lock->lcnt_link));
- }
- if (locks & ERTS_PROC_LOCK_STATUS) {
- erts_lcnt_lock(&(lock->lcnt_status));
+static void lcnt_enable_proc_lock_count(Process *proc, int enable) {
+ if (enable) {
+ if (!ERTS_LCNT_LOCK_TYPE(&(proc->lock.lcnt_main))) {
+ erts_lcnt_proc_lock_init(proc);
+ }
}
+ else {
+ if (ERTS_LCNT_LOCK_TYPE(&(proc->lock.lcnt_main))) {
+ erts_lcnt_proc_lock_destroy(proc);
+ }
}
}
-void erts_lcnt_proc_lock_post_x(erts_proc_lock_t *lock, ErtsProcLocks locks, char *file, unsigned int line) {
- if (erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK) {
+void erts_lcnt_proc_lock(erts_proc_lock_t *lock, ErtsProcLocks locks) {
+ if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return;
+ if (locks & ERTS_PROC_LOCK_MAIN) { erts_lcnt_lock(&(lock->lcnt_main)); }
+ if (locks & ERTS_PROC_LOCK_MSGQ) { erts_lcnt_lock(&(lock->lcnt_msgq)); }
+ if (locks & ERTS_PROC_LOCK_BTM) { erts_lcnt_lock(&(lock->lcnt_btm)); }
+ if (locks & ERTS_PROC_LOCK_LINK) { erts_lcnt_lock(&(lock->lcnt_link)); }
+ if (locks & ERTS_PROC_LOCK_STATUS) { erts_lcnt_lock(&(lock->lcnt_status)); }
+}
+
+void erts_lcnt_proc_lock_post_x(erts_proc_lock_t *lock, ErtsProcLocks locks,
+ char *file, unsigned int line) {
+ if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return;
if (locks & ERTS_PROC_LOCK_MAIN) {
erts_lcnt_lock_post_x(&(lock->lcnt_main), file, line);
}
if (locks & ERTS_PROC_LOCK_MSGQ) {
erts_lcnt_lock_post_x(&(lock->lcnt_msgq), file, line);
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ erts_lcnt_lock_post_x(&(lock->lcnt_btm), file, line);
+ }
if (locks & ERTS_PROC_LOCK_LINK) {
erts_lcnt_lock_post_x(&(lock->lcnt_link), file, line);
}
if (locks & ERTS_PROC_LOCK_STATUS) {
erts_lcnt_lock_post_x(&(lock->lcnt_status), file, line);
}
- }
}
void erts_lcnt_proc_lock_unaquire(erts_proc_lock_t *lock, ErtsProcLocks locks) {
- if (erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK) {
- if (locks & ERTS_PROC_LOCK_MAIN) {
- erts_lcnt_lock_unaquire(&(lock->lcnt_main));
- }
- if (locks & ERTS_PROC_LOCK_MSGQ) {
- erts_lcnt_lock_unaquire(&(lock->lcnt_msgq));
- }
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_lock_unaquire(&(lock->lcnt_link));
- }
- if (locks & ERTS_PROC_LOCK_STATUS) {
- erts_lcnt_lock_unaquire(&(lock->lcnt_status));
- }
- }
+ if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return;
+ if (locks & ERTS_PROC_LOCK_MAIN) { erts_lcnt_lock_unaquire(&(lock->lcnt_main)); }
+ if (locks & ERTS_PROC_LOCK_MSGQ) { erts_lcnt_lock_unaquire(&(lock->lcnt_msgq)); }
+ if (locks & ERTS_PROC_LOCK_BTM) { erts_lcnt_lock_unaquire(&(lock->lcnt_btm)); }
+ if (locks & ERTS_PROC_LOCK_LINK) { erts_lcnt_lock_unaquire(&(lock->lcnt_link)); }
+ if (locks & ERTS_PROC_LOCK_STATUS) { erts_lcnt_lock_unaquire(&(lock->lcnt_status)); }
}
void erts_lcnt_proc_unlock(erts_proc_lock_t *lock, ErtsProcLocks locks) {
- if (erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK) {
- if (locks & ERTS_PROC_LOCK_MAIN) {
- erts_lcnt_unlock(&(lock->lcnt_main));
- }
- if (locks & ERTS_PROC_LOCK_MSGQ) {
- erts_lcnt_unlock(&(lock->lcnt_msgq));
- }
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_unlock(&(lock->lcnt_link));
- }
- if (locks & ERTS_PROC_LOCK_STATUS) {
- erts_lcnt_unlock(&(lock->lcnt_status));
- }
- }
+ if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return;
+ if (locks & ERTS_PROC_LOCK_MAIN) { erts_lcnt_unlock(&(lock->lcnt_main)); }
+ if (locks & ERTS_PROC_LOCK_MSGQ) { erts_lcnt_unlock(&(lock->lcnt_msgq)); }
+ if (locks & ERTS_PROC_LOCK_BTM) { erts_lcnt_unlock(&(lock->lcnt_btm)); }
+ if (locks & ERTS_PROC_LOCK_LINK) { erts_lcnt_unlock(&(lock->lcnt_link)); }
+ if (locks & ERTS_PROC_LOCK_STATUS) { erts_lcnt_unlock(&(lock->lcnt_status)); }
}
void erts_lcnt_proc_trylock(erts_proc_lock_t *lock, ErtsProcLocks locks, int res) {
- if (erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK) {
- if (locks & ERTS_PROC_LOCK_MAIN) {
- erts_lcnt_trylock(&(lock->lcnt_main), res);
- }
- if (locks & ERTS_PROC_LOCK_MSGQ) {
- erts_lcnt_trylock(&(lock->lcnt_msgq), res);
- }
- if (locks & ERTS_PROC_LOCK_LINK) {
- erts_lcnt_trylock(&(lock->lcnt_link), res);
- }
- if (locks & ERTS_PROC_LOCK_STATUS) {
- erts_lcnt_trylock(&(lock->lcnt_status), res);
- }
- }
-}
-
-
-void erts_lcnt_enable_proc_lock_count(int enable)
-{
- int i, max = erts_ptab_max(&erts_proc);
-
- for (i = 0; i < max; ++i) {
- Process* p = erts_pix2proc(i);
- if (p) {
- if (enable) {
- if (!ERTS_LCNT_LOCK_TYPE(&(p->lock.lcnt_main))) {
- erts_lcnt_proc_lock_init(p);
- }
- } else {
- if (ERTS_LCNT_LOCK_TYPE(&(p->lock.lcnt_main))) {
- erts_lcnt_proc_lock_destroy(p);
- }
- }
- }
- }
-}
-
-#endif /* ifdef ERTS_ENABLE_LOCK_COUNT */
+ if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return;
+ if (locks & ERTS_PROC_LOCK_MAIN) { erts_lcnt_trylock(&(lock->lcnt_main), res); }
+ if (locks & ERTS_PROC_LOCK_MSGQ) { erts_lcnt_trylock(&(lock->lcnt_msgq), res); }
+ if (locks & ERTS_PROC_LOCK_BTM) { erts_lcnt_trylock(&(lock->lcnt_btm), res); }
+ if (locks & ERTS_PROC_LOCK_LINK) { erts_lcnt_trylock(&(lock->lcnt_link), res); }
+ if (locks & ERTS_PROC_LOCK_STATUS) { erts_lcnt_trylock(&(lock->lcnt_status), res); }
+} /* reversed logic */
+#endif /* ERTS_ENABLE_LOCK_COUNT */
/* --- Process lock checking ----------------------------------------------- */
@@ -1235,6 +1216,10 @@ erts_proc_lc_lock(Process *p, ErtsProcLocks locks, char *file, unsigned int line
lck.id = lc_id.proc_lock_msgq;
erts_lc_lock_x(&lck,file,line);
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ lck.id = lc_id.proc_lock_btm;
+ erts_lc_lock_x(&lck,file,line);
+ }
if (locks & ERTS_PROC_LOCK_STATUS) {
lck.id = lc_id.proc_lock_status;
erts_lc_lock_x(&lck,file,line);
@@ -1260,6 +1245,10 @@ erts_proc_lc_trylock(Process *p, ErtsProcLocks locks, int locked,
lck.id = lc_id.proc_lock_msgq;
erts_lc_trylock_x(locked, &lck, file, line);
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ lck.id = lc_id.proc_lock_btm;
+ erts_lc_trylock_x(locked, &lck, file, line);
+ }
if (locks & ERTS_PROC_LOCK_STATUS) {
lck.id = lc_id.proc_lock_status;
erts_lc_trylock_x(locked, &lck, file, line);
@@ -1276,6 +1265,10 @@ erts_proc_lc_unlock(Process *p, ErtsProcLocks locks)
lck.id = lc_id.proc_lock_status;
erts_lc_unlock(&lck);
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ lck.id = lc_id.proc_lock_btm;
+ erts_lc_unlock(&lck);
+ }
if (locks & ERTS_PROC_LOCK_MSGQ) {
lck.id = lc_id.proc_lock_msgq;
erts_lc_unlock(&lck);
@@ -1303,6 +1296,10 @@ erts_proc_lc_might_unlock(Process *p, ErtsProcLocks locks)
lck.id = lc_id.proc_lock_status;
erts_lc_might_unlock(&lck);
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ lck.id = lc_id.proc_lock_btm;
+ erts_lc_might_unlock(&lck);
+ }
if (locks & ERTS_PROC_LOCK_MSGQ) {
lck.id = lc_id.proc_lock_msgq;
erts_lc_might_unlock(&lck);
@@ -1322,6 +1319,8 @@ erts_proc_lc_might_unlock(Process *p, ErtsProcLocks locks)
erts_lc_might_unlock(&p->lock.link.lc);
if (locks & ERTS_PROC_LOCK_MSGQ)
erts_lc_might_unlock(&p->lock.msgq.lc);
+ if (locks & ERTS_PROC_LOCK_BTM)
+ erts_lc_might_unlock(&p->lock.btm.lc);
if (locks & ERTS_PROC_LOCK_STATUS)
erts_lc_might_unlock(&p->lock.status.lc);
#endif
@@ -1347,6 +1346,10 @@ erts_proc_lc_require_lock(Process *p, ErtsProcLocks locks, char *file,
lck.id = lc_id.proc_lock_msgq;
erts_lc_require_lock(&lck, file, line);
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ lck.id = lc_id.proc_lock_btm;
+ erts_lc_require_lock(&lck, file, line);
+ }
if (locks & ERTS_PROC_LOCK_STATUS) {
lck.id = lc_id.proc_lock_status;
erts_lc_require_lock(&lck, file, line);
@@ -1358,6 +1361,8 @@ erts_proc_lc_require_lock(Process *p, ErtsProcLocks locks, char *file,
erts_lc_require_lock(&p->lock.link.lc, file, line);
if (locks & ERTS_PROC_LOCK_MSGQ)
erts_lc_require_lock(&p->lock.msgq.lc, file, line);
+ if (locks & ERTS_PROC_LOCK_BTM)
+ erts_lc_require_lock(&p->lock.btm.lc, file, line);
if (locks & ERTS_PROC_LOCK_STATUS)
erts_lc_require_lock(&p->lock.status.lc, file, line);
#endif
@@ -1374,6 +1379,10 @@ erts_proc_lc_unrequire_lock(Process *p, ErtsProcLocks locks)
lck.id = lc_id.proc_lock_status;
erts_lc_unrequire_lock(&lck);
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ lck.id = lc_id.proc_lock_btm;
+ erts_lc_unrequire_lock(&lck);
+ }
if (locks & ERTS_PROC_LOCK_MSGQ) {
lck.id = lc_id.proc_lock_msgq;
erts_lc_unrequire_lock(&lck);
@@ -1393,6 +1402,8 @@ erts_proc_lc_unrequire_lock(Process *p, ErtsProcLocks locks)
erts_lc_unrequire_lock(&p->lock.link.lc);
if (locks & ERTS_PROC_LOCK_MSGQ)
erts_lc_unrequire_lock(&p->lock.msgq.lc);
+ if (locks & ERTS_PROC_LOCK_BTM)
+ erts_lc_unrequire_lock(&p->lock.btm.lc);
if (locks & ERTS_PROC_LOCK_STATUS)
erts_lc_unrequire_lock(&p->lock.status.lc);
#endif
@@ -1414,6 +1425,8 @@ erts_proc_lc_trylock_force_busy(Process *p, ErtsProcLocks locks)
lck.id = lc_id.proc_lock_link;
else if (locks & ERTS_PROC_LOCK_MSGQ)
lck.id = lc_id.proc_lock_msgq;
+ else if (locks & ERTS_PROC_LOCK_BTM)
+ lck.id = lc_id.proc_lock_btm;
else if (locks & ERTS_PROC_LOCK_STATUS)
lck.id = lc_id.proc_lock_status;
else
@@ -1448,7 +1461,8 @@ erts_proc_lc_chk_have_proc_locks(Process *p, ErtsProcLocks locks)
{
int have_locks_len = 0;
#if ERTS_PROC_LOCK_OWN_IMPL
- erts_lc_lock_t have_locks[4] = {ERTS_PROC_LC_EMPTY_LOCK_INIT,
+ erts_lc_lock_t have_locks[5] = {ERTS_PROC_LC_EMPTY_LOCK_INIT,
+ ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT};
@@ -1464,18 +1478,24 @@ erts_proc_lc_chk_have_proc_locks(Process *p, ErtsProcLocks locks)
have_locks[have_locks_len].id = lc_id.proc_lock_msgq;
have_locks[have_locks_len++].extra = p->common.id;
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ have_locks[have_locks_len].id = lc_id.proc_lock_btm;
+ have_locks[have_locks_len++].extra = p->common.id;
+ }
if (locks & ERTS_PROC_LOCK_STATUS) {
have_locks[have_locks_len].id = lc_id.proc_lock_status;
have_locks[have_locks_len++].extra = p->common.id;
}
#elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL
- erts_lc_lock_t have_locks[4];
+ erts_lc_lock_t have_locks[5];
if (locks & ERTS_PROC_LOCK_MAIN)
have_locks[have_locks_len++] = p->lock.main.lc;
if (locks & ERTS_PROC_LOCK_LINK)
have_locks[have_locks_len++] = p->lock.link.lc;
if (locks & ERTS_PROC_LOCK_MSGQ)
have_locks[have_locks_len++] = p->lock.msgq.lc;
+ if (locks & ERTS_PROC_LOCK_BTM)
+ have_locks[have_locks_len++] = p->lock.btm.lc;
if (locks & ERTS_PROC_LOCK_STATUS)
have_locks[have_locks_len++] = p->lock.status.lc;
#endif
@@ -1488,11 +1508,11 @@ erts_proc_lc_chk_proc_locks(Process *p, ErtsProcLocks locks)
int have_locks_len = 0;
int have_not_locks_len = 0;
#if ERTS_PROC_LOCK_OWN_IMPL
- erts_lc_lock_t have_locks[4] = {ERTS_PROC_LC_EMPTY_LOCK_INIT,
+ erts_lc_lock_t have_locks[5] = {ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT};
- erts_lc_lock_t have_not_locks[4] = {ERTS_PROC_LC_EMPTY_LOCK_INIT,
+ erts_lc_lock_t have_not_locks[5] = {ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT,
ERTS_PROC_LC_EMPTY_LOCK_INIT};
@@ -1521,6 +1541,14 @@ erts_proc_lc_chk_proc_locks(Process *p, ErtsProcLocks locks)
have_not_locks[have_not_locks_len].id = lc_id.proc_lock_msgq;
have_not_locks[have_not_locks_len++].extra = p->common.id;
}
+ if (locks & ERTS_PROC_LOCK_BTM) {
+ have_locks[have_locks_len].id = lc_id.proc_lock_btm;
+ have_locks[have_locks_len++].extra = p->common.id;
+ }
+ else {
+ have_not_locks[have_not_locks_len].id = lc_id.proc_lock_btm;
+ have_not_locks[have_not_locks_len++].extra = p->common.id;
+ }
if (locks & ERTS_PROC_LOCK_STATUS) {
have_locks[have_locks_len].id = lc_id.proc_lock_status;
have_locks[have_locks_len++].extra = p->common.id;
@@ -1530,8 +1558,8 @@ erts_proc_lc_chk_proc_locks(Process *p, ErtsProcLocks locks)
have_not_locks[have_not_locks_len++].extra = p->common.id;
}
#elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL
- erts_lc_lock_t have_locks[4];
- erts_lc_lock_t have_not_locks[4];
+ erts_lc_lock_t have_locks[5];
+ erts_lc_lock_t have_not_locks[5];
if (locks & ERTS_PROC_LOCK_MAIN)
have_locks[have_locks_len++] = p->lock.main.lc;
@@ -1545,6 +1573,10 @@ erts_proc_lc_chk_proc_locks(Process *p, ErtsProcLocks locks)
have_locks[have_locks_len++] = p->lock.msgq.lc;
else
have_not_locks[have_not_locks_len++] = p->lock.msgq.lc;
+ if (locks & ERTS_PROC_LOCK_BTM)
+ have_locks[have_locks_len++] = p->lock.btm.lc;
+ else
+ have_not_locks[have_not_locks_len++] = p->lock.btm.lc;
if (locks & ERTS_PROC_LOCK_STATUS)
have_locks[have_locks_len++] = p->lock.status.lc;
else
@@ -1558,10 +1590,10 @@ erts_proc_lc_chk_proc_locks(Process *p, ErtsProcLocks locks)
ErtsProcLocks
erts_proc_lc_my_proc_locks(Process *p)
{
- int resv[4];
+ int resv[5];
ErtsProcLocks res = 0;
#if ERTS_PROC_LOCK_OWN_IMPL
- erts_lc_lock_t locks[4] = {ERTS_LC_LOCK_INIT(lc_id.proc_lock_main,
+ erts_lc_lock_t locks[5] = {ERTS_LC_LOCK_INIT(lc_id.proc_lock_main,
p->common.id,
ERTS_LC_FLG_LT_PROCLOCK),
ERTS_LC_LOCK_INIT(lc_id.proc_lock_link,
@@ -1570,17 +1602,21 @@ erts_proc_lc_my_proc_locks(Process *p)
ERTS_LC_LOCK_INIT(lc_id.proc_lock_msgq,
p->common.id,
ERTS_LC_FLG_LT_PROCLOCK),
+ ERTS_LC_LOCK_INIT(lc_id.proc_lock_btm,
+ p->common.id,
+ ERTS_LC_FLG_LT_PROCLOCK),
ERTS_LC_LOCK_INIT(lc_id.proc_lock_status,
p->common.id,
ERTS_LC_FLG_LT_PROCLOCK)};
#elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL
- erts_lc_lock_t locks[4] = {p->lock.main.lc,
+ erts_lc_lock_t locks[5] = {p->lock.main.lc,
p->lock.link.lc,
p->lock.msgq.lc,
+ p->lock.btm.lc,
p->lock.status.lc};
#endif
- erts_lc_have_locks(resv, locks, 4);
+ erts_lc_have_locks(resv, locks, 5);
if (resv[0])
res |= ERTS_PROC_LOCK_MAIN;
if (resv[1])
@@ -1588,6 +1624,8 @@ erts_proc_lc_my_proc_locks(Process *p)
if (resv[2])
res |= ERTS_PROC_LOCK_MSGQ;
if (resv[3])
+ res |= ERTS_PROC_LOCK_BTM;
+ if (resv[4])
res |= ERTS_PROC_LOCK_STATUS;
return res;
@@ -1596,13 +1634,14 @@ erts_proc_lc_my_proc_locks(Process *p)
void
erts_proc_lc_chk_no_proc_locks(char *file, int line)
{
- int resv[4];
- int ids[4] = {lc_id.proc_lock_main,
+ int resv[5];
+ int ids[5] = {lc_id.proc_lock_main,
lc_id.proc_lock_link,
lc_id.proc_lock_msgq,
+ lc_id.proc_lock_btm,
lc_id.proc_lock_status};
- erts_lc_have_lock_ids(resv, ids, 4);
- if (!ERTS_IS_CRASH_DUMPING && (resv[0] || resv[1] || resv[2] || resv[3])) {
+ erts_lc_have_lock_ids(resv, ids, 5);
+ if (!ERTS_IS_CRASH_DUMPING && (resv[0] || resv[1] || resv[2] || resv[3] || resv[4])) {
erts_lc_fail("%s:%d: Thread has process locks locked when expected "
"not to have any process locks locked",
file, line);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 15:01:10 +0000