diff options
Diffstat (limited to 'malloc/thread-m.h')
| -rw-r--r-- | malloc/thread-m.h | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/malloc/thread-m.h b/malloc/thread-m.h index 3fec10afad..34fea0e7d4 100644 --- a/malloc/thread-m.h +++ b/malloc/thread-m.h @@ -35,29 +35,21 @@ #ifdef PTHREAD_MUTEX_INITIALIZER -typedef pthread_t thread_id; - /* mutex */ -typedef pthread_mutex_t mutex_t; - -#define MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER +__libc_lock_define (typedef, mutex_t) /* Even if not linking with libpthread, ensure usability of mutex as an `in use' flag, see also the NO_THREADS case below. Assume pthread_mutex_t is at least one int wide. */ #define mutex_init(m) \ - (__pthread_mutex_init != NULL \ - ? __pthread_mutex_init (m, NULL) : (*(int *)(m) = 0)) + __libc_lock_init (*m) #define mutex_lock(m) \ - (__pthread_mutex_lock != NULL \ - ? __pthread_mutex_lock (m) : ((*(int *)(m) = 1), 0)) + __libc_lock_lock (*m) #define mutex_trylock(m) \ - (__pthread_mutex_trylock != NULL \ - ? __pthread_mutex_trylock (m) : (*(int *)(m) ? 1 : ((*(int *)(m) = 1), 0))) + __libc_lock_trylock (*m) #define mutex_unlock(m) \ - (__pthread_mutex_unlock != NULL \ - ? __pthread_mutex_unlock (m) : (*(int*)(m) = 0)) + __libc_lock_unlock (*m) #define thread_atfork(prepare, parent, child) \ (__pthread_atfork != NULL ? __pthread_atfork(prepare, parent, child) : 0) @@ -114,8 +106,6 @@ __libc_tsd_define (static, MALLOC) /* declaration/common definition */ #include <pthread.h> -typedef pthread_t thread_id; - /* mutex */ #if (defined __i386__ || defined __x86_64__) && defined __GNUC__ && \ !defined USE_NO_SPINLOCKS @@ -128,7 +118,6 @@ typedef struct { int pad0_; } mutex_t; -#define MUTEX_INITIALIZER { 0 } #define mutex_init(m) ((m)->lock = 0) static inline int mutex_lock(mutex_t *m) { int cnt = 0, r; @@ -174,7 +163,6 @@ static inline int mutex_unlock(mutex_t *m) { /* Normal pthread mutex. */ typedef pthread_mutex_t mutex_t; -#define MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER #define mutex_init(m) pthread_mutex_init(m, NULL) #define mutex_lock(m) pthread_mutex_lock(m) #define mutex_trylock(m) pthread_mutex_trylock(m) @@ -218,9 +206,6 @@ typedef pthread_key_t tsd_key_t; #include <thread.h> -typedef thread_t thread_id; - -#define MUTEX_INITIALIZER { 0 } #define mutex_init(m) mutex_init(m, USYNC_THREAD, NULL) /* @@ -244,11 +229,8 @@ typedef void *tsd_key_t[256]; #include <sys/prctl.h> #include <abi_mutex.h> -typedef int thread_id; - typedef abilock_t mutex_t; -#define MUTEX_INITIALIZER { 0 } #define mutex_init(m) init_lock(m) #define mutex_lock(m) (spin_lock(m), 0) #define mutex_trylock(m) acquire_lock(m) @@ -270,8 +252,6 @@ int tsd_key_next; #ifdef NO_THREADS /* No threads, provide dummy macros */ -typedef int thread_id; - /* The mutex functions used to do absolutely nothing, i.e. lock, trylock and unlock would always just return 0. However, even without any concurrently active threads, a mutex can be used @@ -280,7 +260,6 @@ typedef int thread_id; be based on atomic test-and-set operations, for example. */ typedef int mutex_t; -#define MUTEX_INITIALIZER 0 #define mutex_init(m) (*(m) = 0) #define mutex_lock(m) ((*(m) = 1), 0) #define mutex_trylock(m) (*(m) ? 1 : ((*(m) = 1), 0)) |