#ifndef __TRITON_SPINLOCK_H #define __TRITON_SPINLOCK_H #if defined(FUTEX_SPINLOCK) /*#include #include #include typedef volatile int __attribute__((aligned)) spinlock_t; static inline void _spin_lock(spinlock_t *l) { syscall(SYS_futex, l, FUTEX_WAIT, r, NULL, NULL, 0); } static inline void _spin_unlock(spinlock_t *l) { syscall(SYS_futex, l, FUTEX_WAKE, 2, NULL, NULL, 0); } #define spin_lock(l) _spin_lock(l) #define spin_unlock(l) _spin_unlock(l) #define SPINLOCK_INITIALIZER 1 #define spinlock_init(l) {*(l)=1;}*/ #elif defined(GCC_SPINLOCK) typedef volatile int __attribute__((aligned)) spinlock_t; #define spin_lock(l) {while(__sync_lock_test_and_set(l,1));} #define spin_unlock(l) __sync_lock_release(l) #define SPINLOCK_INITIALIZER 0 #define spinlock_init(l) {*(l)=0;} #else #include typedef pthread_spinlock_t spinlock_t; #define spin_lock(l) pthread_spin_lock(l) #define spin_unlock(l) pthread_spin_unlock(l) #define SPINLOCK_INITIALIZER 1 #define spinlock_init(l) pthread_spin_init(l, 0) #endif #endif