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Whoops, good catch from Greg Jandl

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This commit is contained in:
Sam Lantinga 2011-01-18 22:10:37 -08:00
parent 8fdaded173
commit 9a91680ace
1 changed files with 1 additions and 9 deletions
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10
src/atomic/SDL_spinlock.c
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@ -24,20 +24,12 @@
#include "SDL_atomic.h"
#include "SDL_timer.h"
#if defined(__WIN32__)
#include <intrin.h>
#elif defined(__MACOSX__)
#include <libkern/OSAtomic.h>
#endif
/* This function is where all the magic happens... */
SDL_bool
SDL_AtomicTryLock(SDL_SpinLock *lock)
{
#if defined(__WIN32__)
#if defined(_MSC_VER)
SDL_COMPILE_TIME_ASSERT(locksize, sizeof(*lock) == sizeof(long));
return (_InterlockedExchange((long*)lock, 1) == 0);