SDL_atomic.c File Reference

#include "SDL_config.h"
#include "SDL_atomic.h"

Go to the source code of this file.

Functions
static __inline__ void	enterLock (void *a)
static __inline__ void	leaveLock (void *a)
DECLSPEC SDL_bool SDLCALL	SDL_AtomicCAS (SDL_atomic_t *a, int oldval, int newval)
	Set an atomic variable to a new value if it is currently an old value. More...
DECLSPEC SDL_bool SDLCALL	SDL_AtomicCASPtr (void **a, void *oldval, void *newval)
	Set a pointer to a new value if it is currently an old value. More...

Variables
static SDL_SpinLock	locks [32]

Function Documentation

static __inline__ void enterLock ( void *  a )

static

Definition at line 59 of file SDL_atomic.c.

References locks, and SDL_AtomicLock().

Referenced by SDL_AtomicCAS(), and SDL_AtomicCASPtr().

static __inline__ void leaveLock ( void *  a )

static

Definition at line 67 of file SDL_atomic.c.

References locks, and SDL_AtomicUnlock().

Referenced by SDL_AtomicCAS(), and SDL_AtomicCASPtr().

DECLSPEC SDL_bool SDLCALL SDL_AtomicCAS	(	SDL_atomic_t *	a,
		int	oldval,
		int	newval
	)

Set an atomic variable to a new value if it is currently an old value.

Returns

SDL_TRUE if the atomic variable was set, SDL_FALSE otherwise.

Note

If you don't know what this function is for, you shouldn't use it!

Definition at line 75 of file SDL_atomic.c.

References enterLock(), leaveLock(), SDL_FALSE, SDL_TRUE, and SDL_atomic_t::value.

Referenced by SDL_AtomicAdd(), and SDL_AtomicSet().

DECLSPEC SDL_bool SDLCALL SDL_AtomicCASPtr	(	void **	a,
		void *	oldval,
		void *	newval
	)

Set a pointer to a new value if it is currently an old value.

Returns

SDL_TRUE if the pointer was set, SDL_FALSE otherwise.

Note

If you don't know what this function is for, you shouldn't use it!

Definition at line 90 of file SDL_atomic.c.

References enterLock(), leaveLock(), SDL_FALSE, and SDL_TRUE.

Referenced by SDL_AtomicSetPtr().

Variable Documentation

SDL_SpinLock locks[32]

static

Definition at line 56 of file SDL_atomic.c.

Referenced by enterLock(), and leaveLock().