ObjFW  Diff

 */

#include "config.h"

#define __NO_EXT_QNX

#include <string.h>
#include <math.h>
#include <unistd.h>

#include <sys/time.h>

#import "OFStreamObserver_select.h"
#import "OFStream.h"
#import "OFArray.h"

{
	FD_CLR(fd, &_writeFDs);

	if (!FD_ISSET(fd, &_readFDs))
		FD_CLR(fd, &_exceptFDs);
}

- (bool)observeWithTimeout: (double)timeout
- (bool)observeForTimeInterval: (double)timeInterval
{
	void *pool = objc_autoreleasePoolPush();
	OFStream **objects;
	fd_set readFDs;
	fd_set writeFDs;
	fd_set exceptFDs;
	struct timeval time;
	struct timeval timeout;
	size_t i, count, realEvents = 0;

	[self OF_processQueue];

	if ([self OF_processCache]) {
		objc_autoreleasePoolPop(pool);
		return true;

	/*
	 * We cast to int before assigning to tv_usec in order to avoid a
	 * warning with Apple GCC on PPC. POSIX defines this as suseconds_t,
	 * however, this is not available on Win32. As an int should always
	 * satisfy the required range, we just cast to int.
	 */
	time.tv_sec = (time_t)timeout;
	time.tv_usec = (int)((timeout - time.tv_sec) * 1000);
	timeout.tv_sec = (time_t)timeInterval;
	timeout.tv_usec = (int)lrint((timeInterval - timeout.tv_sec) * 1000);

	if (select((int)_maxFD + 1, &readFDs, &writeFDs, &exceptFDs,
	    (timeout != -1 ? &time : NULL)) < 1)
	    (timeInterval != -1 ? &timeout : NULL)) < 1)
		return false;

	if (FD_ISSET(_cancelFD[0], &readFDs)) {
		char buffer;
#ifndef _WIN32
		OF_ENSURE(read(_cancelFD[0], &buffer, 1) > 0);
#else