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root/cebix/SheepShaver/src/Unix/sysdeps.h

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.41 by gbeauche, 2005-03-27T13:41:46Z vs.
Revision 1.44 by gbeauche, 2005-06-25T11:39:47Z

#	Line 372 | Line 372 | typedef volatile int spinlock_t;
372
373		static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
374
375	<	#if HAVE_TEST_AND_SET
375	>	#if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS)
376	>	// There is nothing to lock if we are not in an multithreaded environment
377		#define HAVE_SPINLOCKS 1
378		static inline void spin_lock(spinlock_t *lock)
379		{
#	Line 410 | Line 411 | typedef struct timespec tm_time_t;
411		typedef struct timeval tm_time_t;
412		#endif
413
414	+	/* Define codes for all the float formats that we know of.
415	+	* Though we only handle IEEE format.  */
416	+	#define UNKNOWN_FLOAT_FORMAT 0
417	+	#define IEEE_FLOAT_FORMAT 1
418	+	#define VAX_FLOAT_FORMAT 2
419	+	#define IBM_FLOAT_FORMAT 3
420	+	#define C4X_FLOAT_FORMAT 4
421	+
422		// High-precision timing
423		#if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP) && 0
424		#define PRECISE_TIMING 1
#	Line 420 | Line 429 | typedef struct timeval tm_time_t;
429		extern uint64 GetTicks_usec(void);
430		extern void Delay_usec(uint32 usec);
431
432	<	#if defined(HAVE_PTHREADS) || ((defined(__linux__) || defined(__NetBSD__)) && defined(__powerpc__))
432	>	#ifdef HAVE_PTHREADS
433		// Setup pthread attributes
434		extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
435		#endif
#	Line 434 | Line 443 | typedef struct rgb_color {
443		} rgb_color;
444
445		// X11 display fast locks
446	<	#ifdef HAVE_SPINLOCKS
438	<	#define X11_LOCK_TYPE spinlock_t
439	<	#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
440	<	#define XDisplayLock() spin_lock(&x_display_lock)
441	<	#define XDisplayUnlock() spin_unlock(&x_display_lock)
442	<	#elif defined(HAVE_PTHREADS)
446	>	#if defined(HAVE_PTHREADS)
447		#define X11_LOCK_TYPE pthread_mutex_t
448		#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
449		#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
450		#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
451	+	#elif defined(HAVE_SPINLOCKS)
452	+	#define X11_LOCK_TYPE spinlock_t
453	+	#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
454	+	#define XDisplayLock() spin_lock(&x_display_lock)
455	+	#define XDisplayUnlock() spin_unlock(&x_display_lock)
456		#else
457		#define XDisplayLock()
458		#define XDisplayUnlock()

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