ObjFW  Diff

#define OF_THREAD_M

#define __NO_EXT_QNX

#include <stdlib.h>
#include <math.h>
#include <time.h>

#ifndef _WIN32
# include <unistd.h>
#endif

#ifdef OF_HAVE_SCHED_YIELD
# include <sched.h>

#endif

+ (void)sleepForTimeInterval: (double)seconds
{
	if (seconds < 0)
		@throw [OFOutOfRangeException exceptionWithClass: self];

#if defined(HAVE_NANOSLEEP)
	struct timespec rqtp;
#ifndef _WIN32

	rqtp.tv_sec = (time_t)seconds;
	rqtp.tv_nsec = lrint((seconds - rqtp.tv_sec) * 1000000000);

	if (rqtp.tv_sec != floor(seconds))
		@throw [OFOutOfRangeException exceptionWithClass: self];

	nanosleep(&rqtp, NULL);
#elif !defined(_WIN32)
	if (seconds > UINT_MAX)
		@throw [OFOutOfRangeException exceptionWithClass: self];

	sleep((unsigned int)seconds);
	usleep((useconds_t)rint((seconds - floor(seconds)) * 1000000));
	usleep((useconds_t)lrint((seconds - floor(seconds)) * 1000000));
#else
	if (seconds * 1000 > UINT_MAX)
		@throw [OFOutOfRangeException exceptionWithClass: self];

	Sleep((unsigned int)(seconds * 1000));
#endif
}

+ (void)sleepUntilDate: (OFDate*)date
{
	double seconds = [date timeIntervalSinceNow];
	[self sleepForTimeInterval: [date timeIntervalSinceNow]];

#ifndef _WIN32
	if (seconds > UINT_MAX)
		@throw [OFOutOfRangeException exceptionWithClass: self];

	sleep((unsigned int)seconds);
	usleep((useconds_t)rint((seconds - floor(seconds)) * 1000000));
#else
	if (seconds * 1000 > UINT_MAX)
		@throw [OFOutOfRangeException exceptionWithClass: self];

	Sleep((unsigned int)(seconds * 1000));
#endif
}

+ (void)yield
{
#ifdef OF_HAVE_SCHED_YIELD
	sched_yield();
#else