mirror of
https://github.com/EpochModTeam/DayZ-Epoch.git
synced 2025-12-14 12:12:34 +03:00
28 lines
935 B
C++
28 lines
935 B
C++
/* Provides a simple mutex implementation.
|
|
See https://en.wikipedia.org/wiki/Mutual_exclusion
|
|
|
|
Author: Foxy
|
|
*/
|
|
|
|
#ifndef _INCLUDE_GUARD_MUTEX
|
|
#define _INCLUDE_GUARD_MUTEX
|
|
|
|
//Initializes a new unlocked mutex.
|
|
#define Mutex_New() [true]
|
|
|
|
//Attempts to lock the specified mutex. Returns true if the mutex was locked.
|
|
#define Mutex_TryLock(mtx) ((mtx) call dz_fn_mutex_tryLock)
|
|
#define Mutex_TryLock_Fast(mtx) ([(mtx) select 0, (mtx) set [0, false]] select 0)
|
|
|
|
//Determines if the mutex is locked.
|
|
//Note: if access to critical section is required use TryLock() instead.
|
|
#define Mutex_IsLocked(mtx) (!(mtx) select 0)
|
|
|
|
//Waits until the mutex becomes available and locks it.
|
|
#define Mutex_WaitLock(mtx) ((mtx) call dz_fn_mutex_waitLock)
|
|
#define Mutex_WaitLock_Fast(mtx) waitUntil {Mutex_TryLock_Fast(mtx)}
|
|
|
|
//Unlocks the mutex. Use only when you have previously obtained lock yourself.
|
|
#define Mutex_Unlock(mtx) ((mtx) set [0, true])
|
|
|
|
#endif |