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path: root/erts/emulator/beam/erl_drv_thread.c
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Diffstat (limited to 'erts/emulator/beam/erl_drv_thread.c')
-rw-r--r--erts/emulator/beam/erl_drv_thread.c103
1 files changed, 88 insertions, 15 deletions
diff --git a/erts/emulator/beam/erl_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c
index 92edce5176..742c428f2a 100644
--- a/erts/emulator/beam/erl_drv_thread.c
+++ b/erts/emulator/beam/erl_drv_thread.c
@@ -54,6 +54,9 @@ fatal_error(int err, char *func)
struct ErlDrvMutex_ {
ethr_mutex mtx;
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_ref_t lcnt;
+#endif
char *name;
};
@@ -64,6 +67,9 @@ struct ErlDrvCond_ {
struct ErlDrvRWLock_ {
ethr_rwmutex rwmtx;
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_ref_t lcnt;
+#endif
char *name;
};
@@ -140,7 +146,8 @@ void erl_drv_thr_init(void)
sizeof(char *)*ERL_DRV_TSD_KEYS_INC);
for (i = 0; i < ERL_DRV_TSD_KEYS_INC; i++)
used_tsd_keys[i] = NULL;
- erts_mtx_init(&tsd_mtx, "drv_tsd");
+ erts_mtx_init(&tsd_mtx, "drv_tsd", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
}
/*
@@ -161,14 +168,18 @@ erl_drv_mutex_create(char *name)
opt.posix_compliant = 1;
if (ethr_mutex_init_opt(&dmtx->mtx, &opt) != 0) {
erts_free(ERTS_ALC_T_DRV_MTX, (void *) dmtx);
- dmtx = NULL;
+ return NULL;
}
- else if (!name)
- dmtx->name = no_name;
- else {
+ if (name) {
dmtx->name = ((char *) dmtx) + sizeof(ErlDrvMutex);
sys_strcpy(dmtx->name, name);
+ } else {
+ dmtx->name = no_name;
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_init_ref_x(&dmtx->lcnt, dmtx->name, NIL,
+ ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
+#endif
}
return dmtx;
#else
@@ -180,7 +191,11 @@ void
erl_drv_mutex_destroy(ErlDrvMutex *dmtx)
{
#ifdef USE_THREADS
- int res = dmtx ? ethr_mutex_destroy(&dmtx->mtx) : EINVAL;
+ int res;
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_uninstall(&dmtx->lcnt);
+#endif
+ res = dmtx ? ethr_mutex_destroy(&dmtx->mtx) : EINVAL;
if (res != 0)
fatal_error(res, "erl_drv_mutex_destroy()");
erts_free(ERTS_ALC_T_DRV_MTX, (void *) dmtx);
@@ -202,9 +217,14 @@ int
erl_drv_mutex_trylock(ErlDrvMutex *dmtx)
{
#ifdef USE_THREADS
+ int res;
if (!dmtx)
fatal_error(EINVAL, "erl_drv_mutex_trylock()");
- return ethr_mutex_trylock(&dmtx->mtx);
+ res = ethr_mutex_trylock(&dmtx->mtx);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_trylock(&dmtx->lcnt, res);
+#endif
+ return res;
#else
return 0;
#endif
@@ -216,8 +236,14 @@ erl_drv_mutex_lock(ErlDrvMutex *dmtx)
#ifdef USE_THREADS
if (!dmtx)
fatal_error(EINVAL, "erl_drv_mutex_lock()");
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_lock(&dmtx->lcnt);
+#endif
ethr_mutex_lock(&dmtx->mtx);
#endif
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_lock_post(&dmtx->lcnt);
+#endif
}
void
@@ -226,6 +252,9 @@ erl_drv_mutex_unlock(ErlDrvMutex *dmtx)
#ifdef USE_THREADS
if (!dmtx)
fatal_error(EINVAL, "erl_drv_mutex_unlock()");
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_unlock(&dmtx->lcnt);
+#endif
ethr_mutex_unlock(&dmtx->mtx);
#endif
}
@@ -306,10 +335,18 @@ erl_drv_cond_wait(ErlDrvCond *dcnd, ErlDrvMutex *dmtx)
if (!dcnd || !dmtx) {
fatal_error(EINVAL, "erl_drv_cond_wait()");
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_unlock(&dmtx->lcnt);
+#endif
while (1) {
int res = ethr_cond_wait(&dcnd->cnd, &dmtx->mtx);
- if (res == 0)
+ if (res == 0) {
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_lock(&dmtx->lcnt);
+ erts_lcnt_lock_post(&dmtx->lcnt);
+#endif
break;
+ }
}
#endif
}
@@ -324,14 +361,18 @@ erl_drv_rwlock_create(char *name)
if (drwlck) {
if (ethr_rwmutex_init(&drwlck->rwmtx) != 0) {
erts_free(ERTS_ALC_T_DRV_RWLCK, (void *) drwlck);
- drwlck = NULL;
+ return NULL;
}
- else if (!name)
- drwlck->name = no_name;
- else {
+ if (name) {
drwlck->name = ((char *) drwlck) + sizeof(ErlDrvRWLock);
sys_strcpy(drwlck->name, name);
+ } else {
+ drwlck->name = no_name;
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_init_ref_x(&drwlck->lcnt, drwlck->name, NIL,
+ ERTS_LOCK_TYPE_RWMUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
+#endif
}
return drwlck;
#else
@@ -343,7 +384,11 @@ void
erl_drv_rwlock_destroy(ErlDrvRWLock *drwlck)
{
#ifdef USE_THREADS
- int res = drwlck ? ethr_rwmutex_destroy(&drwlck->rwmtx) : EINVAL;
+ int res;
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_uninstall(&drwlck->lcnt);
+#endif
+ res = drwlck ? ethr_rwmutex_destroy(&drwlck->rwmtx) : EINVAL;
if (res != 0)
fatal_error(res, "erl_drv_rwlock_destroy()");
erts_free(ERTS_ALC_T_DRV_RWLCK, (void *) drwlck);
@@ -364,9 +409,14 @@ int
erl_drv_rwlock_tryrlock(ErlDrvRWLock *drwlck)
{
#ifdef USE_THREADS
+ int res;
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_tryrlock()");
- return ethr_rwmutex_tryrlock(&drwlck->rwmtx);
+ res = ethr_rwmutex_tryrlock(&drwlck->rwmtx);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LOCK_OPTIONS_READ);
+#endif
+ return res;
#else
return 0;
#endif
@@ -378,7 +428,13 @@ erl_drv_rwlock_rlock(ErlDrvRWLock *drwlck)
#ifdef USE_THREADS
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rlock()");
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LOCK_OPTIONS_READ);
+#endif
ethr_rwmutex_rlock(&drwlck->rwmtx);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_lock_post(&drwlck->lcnt);
+#endif
#endif
}
@@ -388,6 +444,9 @@ erl_drv_rwlock_runlock(ErlDrvRWLock *drwlck)
#ifdef USE_THREADS
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_runlock()");
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LOCK_OPTIONS_READ);
+#endif
ethr_rwmutex_runlock(&drwlck->rwmtx);
#endif
}
@@ -396,9 +455,14 @@ int
erl_drv_rwlock_tryrwlock(ErlDrvRWLock *drwlck)
{
#ifdef USE_THREADS
+ int res;
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_tryrwlock()");
- return ethr_rwmutex_tryrwlock(&drwlck->rwmtx);
+ res = ethr_rwmutex_tryrwlock(&drwlck->rwmtx);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LOCK_OPTIONS_RDWR);
+#endif
+ return res;
#else
return 0;
#endif
@@ -410,7 +474,13 @@ erl_drv_rwlock_rwlock(ErlDrvRWLock *drwlck)
#ifdef USE_THREADS
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rwlock()");
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LOCK_OPTIONS_RDWR);
+#endif
ethr_rwmutex_rwlock(&drwlck->rwmtx);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_lock_post(&drwlck->lcnt);
+#endif
#endif
}
@@ -420,6 +490,9 @@ erl_drv_rwlock_rwunlock(ErlDrvRWLock *drwlck)
#ifdef USE_THREADS
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rwunlock()");
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LOCK_OPTIONS_RDWR);
+#endif
ethr_rwmutex_rwunlock(&drwlck->rwmtx);
#endif
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 15:41:07 +0000