#define AST_LIST_TRAVERSE_SAFE_END }
/*!
+ \brief Initializes a list head structure.
+ \param head This is a pointer to the list head structure
+
+ This macro initializes a list head structure by setting the head
+ entry to \a NULL (empty list) and recreating the embedded lock.
+*/
+#define AST_LIST_HEAD_INIT(head) { \
+ (head)->first = NULL; \
+ (head)->last = NULL; \
+ ast_mutex_init(&(head)->lock); \
+}
+
+/*!
\brief Destroys a list head structure.
\param head This is a pointer to the list head structure
typedef pthread_cond_t ast_cond_t;
+static pthread_mutex_t empty_mutex;
+
+static void __attribute__((constructor)) init_empty_mutex(void)
+{
+ memset(&empty_mutex, 0, sizeof(empty_mutex));
+}
+
static inline int __ast_pthread_mutex_init_attr(const char *filename, int lineno, const char *func,
const char *mutex_name, ast_mutex_t *t,
pthread_mutexattr_t *attr)
int canlog = strcmp(filename, "logger.c");
if ((t->mutex) != ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
- __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is already initialized.\n",
- filename, lineno, func, mutex_name);
- __ast_mutex_logger("%s line %d (%s): Error: previously initialization of mutex '%s'.\n",
- t->file[0], t->lineno[0], t->func[0], mutex_name);
+ if ((t->mutex) != (empty_mutex)) {
+ __ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is already initialized.\n",
+ filename, lineno, func, mutex_name);
+ __ast_mutex_logger("%s line %d (%s): Error: previously initialization of mutex '%s'.\n",
+ t->file[0], t->lineno[0], t->func[0], mutex_name);
#ifdef THREAD_CRASH
- DO_THREAD_CRASH;
+ DO_THREAD_CRASH;
#endif
- return 0;
+ return 0;
+ }
}
#endif