mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-09-19 15:28:53 -04:00
25 lines
533 B
C
25 lines
533 B
C
|
#ifndef EXOSPHERE_LOCK_H
|
||
|
|
#define EXOSPHERE_LOCK_H
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
|
||
|
|
/* Simple atomics driver for Exosphere. */
|
||
|
|
|
||
|
|
/* Acquire a lock. */
|
||
|
|
static inline void lock_acquire(bool *l) {
|
||
|
|
while (__atomic_test_and_set(l, __ATOMIC_ACQUIRE)) {
|
||
|
|
/* Wait to acquire lock. */
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Release a lock. */
|
||
|
|
static inline void lock_release(bool *l) {
|
||
|
|
__atomic_clear(l, __ATOMIC_RELEASE);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Try to acquire a lock. */
|
||
|
|
static inline bool lock_try_acquire(bool *l) {
|
||
|
|
return __atomic_test_and_set(l, __ATOMIC_ACQUIRE);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|