summaryrefslogtreecommitdiffstats
path: root/include/jemalloc/internal/mutex.h
diff options
context:
space:
mode:
authorJason Evans <jasone@canonware.com>2011-07-31 00:27:02 (GMT)
committerJason Evans <jasone@canonware.com>2011-07-31 00:27:02 (GMT)
commit446c3b22f1299ff4a5549b0b36540bceda6c3beb (patch)
tree56e74b11294ca1ced74274bad05f4a153475b558 /include/jemalloc/internal/mutex.h
parent5ef7abf6d846720fb3fb8c737861c99b5ad1d862 (diff)
parent4c48481e7c8f5e5dce55aa55d725e1a479b01224 (diff)
downloadjemalloc-2.2.2.zip
jemalloc-2.2.2.tar.gz
jemalloc-2.2.2.tar.bz2
Merge branch 'dev'2.2.2
Diffstat (limited to 'include/jemalloc/internal/mutex.h')
-rw-r--r--include/jemalloc/internal/mutex.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/include/jemalloc/internal/mutex.h b/include/jemalloc/internal/mutex.h
new file mode 100644
index 0000000..62947ce
--- /dev/null
+++ b/include/jemalloc/internal/mutex.h
@@ -0,0 +1,86 @@
+/******************************************************************************/
+#ifdef JEMALLOC_H_TYPES
+
+#ifdef JEMALLOC_OSSPIN
+typedef OSSpinLock malloc_mutex_t;
+#else
+typedef pthread_mutex_t malloc_mutex_t;
+#endif
+
+#ifdef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
+# define MALLOC_MUTEX_INITIALIZER PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
+#else
+# define MALLOC_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
+#endif
+
+#endif /* JEMALLOC_H_TYPES */
+/******************************************************************************/
+#ifdef JEMALLOC_H_STRUCTS
+
+#endif /* JEMALLOC_H_STRUCTS */
+/******************************************************************************/
+#ifdef JEMALLOC_H_EXTERNS
+
+#ifdef JEMALLOC_LAZY_LOCK
+extern bool isthreaded;
+#else
+# define isthreaded true
+#endif
+
+bool malloc_mutex_init(malloc_mutex_t *mutex);
+void malloc_mutex_destroy(malloc_mutex_t *mutex);
+
+#endif /* JEMALLOC_H_EXTERNS */
+/******************************************************************************/
+#ifdef JEMALLOC_H_INLINES
+
+#ifndef JEMALLOC_ENABLE_INLINE
+void malloc_mutex_lock(malloc_mutex_t *mutex);
+bool malloc_mutex_trylock(malloc_mutex_t *mutex);
+void malloc_mutex_unlock(malloc_mutex_t *mutex);
+#endif
+
+#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_MUTEX_C_))
+JEMALLOC_INLINE void
+malloc_mutex_lock(malloc_mutex_t *mutex)
+{
+
+ if (isthreaded) {
+#ifdef JEMALLOC_OSSPIN
+ OSSpinLockLock(mutex);
+#else
+ pthread_mutex_lock(mutex);
+#endif
+ }
+}
+
+JEMALLOC_INLINE bool
+malloc_mutex_trylock(malloc_mutex_t *mutex)
+{
+
+ if (isthreaded) {
+#ifdef JEMALLOC_OSSPIN
+ return (OSSpinLockTry(mutex) == false);
+#else
+ return (pthread_mutex_trylock(mutex) != 0);
+#endif
+ } else
+ return (false);
+}
+
+JEMALLOC_INLINE void
+malloc_mutex_unlock(malloc_mutex_t *mutex)
+{
+
+ if (isthreaded) {
+#ifdef JEMALLOC_OSSPIN
+ OSSpinLockUnlock(mutex);
+#else
+ pthread_mutex_unlock(mutex);
+#endif
+ }
+}
+#endif
+
+#endif /* JEMALLOC_H_INLINES */
+/******************************************************************************/