SDL_spinlock.c File Reference

#include "SDL_config.h"
#include "SDL_atomic.h"
#include "SDL_mutex.h"
#include "SDL_timer.h"

Go to the source code of this file.

Functions
void	SDL_AtomicLock (SDL_SpinLock *lock)
	Lock a spin lock by setting it to a non-zero value. More...
SDL_bool	SDL_AtomicTryLock (SDL_SpinLock *lock)
	Try to lock a spin lock by setting it to a non-zero value. More...
void	SDL_AtomicUnlock (SDL_SpinLock *lock)
	Unlock a spin lock by setting it to 0. Always returns immediately. More...

Function Documentation

void SDL_AtomicLock

(

SDL_SpinLock *

lock

)

Lock a spin lock by setting it to a non-zero value.

Parameters

lock	Points to the lock.

Definition at line 100 of file SDL_spinlock.c.

References SDL_AtomicTryLock(), and SDL_Delay().

Referenced by enterLock(), SDL_AddTimer(), SDL_Generic_GetTLSData(), SDL_GetErrBuf(), SDL_ReportAssertion(), SDL_SYS_GetTLSData(), and SDL_TimerThread().

SDL_bool SDL_AtomicTryLock

(

SDL_SpinLock *

lock

)

Try to lock a spin lock by setting it to a non-zero value.

Parameters

lock	Points to the lock.

Returns

SDL_TRUE if the lock succeeded, SDL_FALSE if the lock is already held.

Definition at line 34 of file SDL_spinlock.c.

References SDL_COMPILE_TIME_ASSERT, SDL_CreateMutex(), SDL_FALSE, SDL_LockMutex(), SDL_TRUE, and SDL_UnlockMutex().

Referenced by SDL_AtomicLock().

void SDL_AtomicUnlock

(

SDL_SpinLock *

lock

)

Unlock a spin lock by setting it to 0. Always returns immediately.

Parameters

lock	Points to the lock.

Definition at line 109 of file SDL_spinlock.c.

Referenced by leaveLock(), SDL_AddTimer(), SDL_Generic_GetTLSData(), SDL_GetErrBuf(), SDL_ReportAssertion(), SDL_SYS_GetTLSData(), and SDL_TimerThread().