36 #ifndef __METAL_MUTEX__H__ 37 #error "Include metal/mutex.h instead of metal/linux/mutex.h" 40 #ifndef __METAL_LINUX_MUTEX__H__ 41 #define __METAL_LINUX_MUTEX__H__ 44 #include <sys/syscall.h> 45 #include <linux/futex.h> 47 #include "metal/atomic.h" 57 #define METAL_MUTEX_INIT { ATOMIC_VAR_INIT(0) } 91 syscall(SYS_futex, &mutex->
v, FUTEX_WAIT, 2, NULL, NULL, 0);
100 syscall(SYS_futex, &mutex->
v, FUTEX_WAKE, 1, NULL, NULL, 0);
static void metal_mutex_acquire(metal_mutex_t *mutex)
Definition: mutex.h:82
static int __metal_mutex_cmpxchg(metal_mutex_t *mutex, int exp, int val)
Definition: mutex.h:59
#define atomic_fetch_sub(OBJ, VAL)
Definition: atomic.h:122
static void metal_mutex_deinit(metal_mutex_t *mutex)
Definition: mutex.h:71
#define atomic_exchange(OBJ, DES)
Definition: atomic.h:87
static void metal_mutex_init(metal_mutex_t *mutex)
Definition: mutex.h:66
static int metal_mutex_try_acquire(metal_mutex_t *mutex)
Definition: mutex.h:76
#define atomic_store(OBJ, VAL)
Definition: atomic.h:79
static int metal_mutex_is_acquired(metal_mutex_t *mutex)
Definition: mutex.h:104
#define atomic_load(OBJ)
Definition: atomic.h:83
static void metal_mutex_release(metal_mutex_t *mutex)
Definition: mutex.h:96
int atomic_int
Definition: atomic.h:48
#define atomic_compare_exchange_strong(OBJ, EXP, DES)
Definition: atomic.h:102