src/hardware/snd_pc98/sound/sndcsec.h

#if !defined(SOUND_CRITICAL)

#define SNDCSEC_INIT
#define SNDCSEC_TERM
#define SNDCSEC_ENTER
#define SNDCSEC_LEAVE

#else

#ifdef __cplusplus
extern "C" {
#endif

#if defined(WIN32) || defined(_WIN32_WCE)

extern  CRITICAL_SECTION        sndcsec;

#define SNDCSEC_INIT    InitializeCriticalSection(&sndcsec)
#define SNDCSEC_TERM    DeleteCriticalSection(&sndcsec)
#define SNDCSEC_ENTER   EnterCriticalSection(&sndcsec)
#define SNDCSEC_LEAVE   LeaveCriticalSection(&sndcsec)

#elif defined(MACOS)

extern  MPCriticalRegionID      sndcsec;

#define SNDCSEC_INIT    MPCreateCriticalRegion(&sndcsec)
#define SNDCSEC_TERM    MPDeleteCriticalRegion(sndcsec)
#define SNDCSEC_ENTER   MPEnterCriticalRegion(sndcsec, kDurationForever)
#define SNDCSEC_LEAVE   MPExitCriticalRegion(sndcsec)

#elif defined(X11) || defined(SLZAURUS)

extern  pthread_mutex_t         sndcsec;

#define SNDCSEC_INIT    pthread_mutex_init(&sndcsec, NULL)
#define SNDCSEC_TERM    pthread_mutex_destroy(&sndcsec)
#define SNDCSEC_ENTER   pthread_mutex_lock(&sndcsec)
#define SNDCSEC_LEAVE   pthread_mutex_unlock(&sndcsec)

#endif

#ifdef __cplusplus
}
#endif

#endif