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2620 solaris port missing atomics if not using gcc

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This commit is contained in:
Shawn Walker 2014-07-05 16:11:23 -07:00
parent 1c1bac24fd
commit f2c61cdaa5
5 changed files with 53 additions and 3 deletions
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16
src/atomic/SDL_spinlock.c
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@ -28,6 +28,9 @@
#include "SDL_mutex.h"
#include "SDL_timer.h"
#if !defined(HAVE_GCC_ATOMICS) && defined(__SOLARIS__)
#include <atomic.h>
#endif
/* This function is where all the magic happens... */
SDL_bool
@ -90,6 +93,14 @@ SDL_AtomicTryLock(SDL_SpinLock *lock)
/* pthread instructions */
return (pthread_spin_trylock(lock) == 0);
#elif defined(__SOLARIS__) && defined(_LP64)
/* Used for Solaris with non-gcc compilers. */
return (SDL_bool) ((int) atomic_cas_64((volatile uint64_t*)lock, 0, 1) == 0);
#elif defined(__SOLARIS__) && !defined(_LP64)
/* Used for Solaris with non-gcc compilers. */
return (SDL_bool) ((int) atomic_cas_32((volatile uint32_t*)lock, 0, 1) == 0);
#else
#error Please implement for your platform.
return SDL_FALSE;
@ -118,6 +129,11 @@ SDL_AtomicUnlock(SDL_SpinLock *lock)
#elif HAVE_PTHREAD_SPINLOCK
pthread_spin_unlock(lock);
#elif defined(__SOLARIS__)
/* Used for Solaris when not using gcc. */
*lock = 0;
membar_producer();
#else
*lock = 0;
#endif