- add nanosleep

- expose nanosleep and usleep
- [DOC] time_ nanosleep and time_ sleep_ until available on windows

win32/time.c

@@ -127,7 +127,7 @@ PHPAPI int gettimeofday(struct timeval *time_Info, struct timezone *timezone_Inf
 	return 0;
 }
 
-void usleep(unsigned int useconds)
+PHPAPI int usleep(unsigned int useconds)
 {
 	HANDLE timer;
 	LARGE_INTEGER due;
@@ -138,6 +138,17 @@ void usleep(unsigned int useconds)
 	SetWaitableTimer(timer, &due, 0, NULL, NULL, 0);
 	WaitForSingleObject(timer, INFINITE);
 	CloseHandle(timer);
+	return 0;
+}
+
+PHPAPI int nanosleep( const struct timespec * rqtp, struct timespec * rmtp )
+{
+	if (rqtp->tv_nsec > 999999999) {
+		/* The time interval specified 1,000,000 or more microseconds. */
+		errno = EINVAL;
+		return -1;
+	}
+	return usleep( rqtp->tv_sec * 1000000 + rqtp->tv_nsec / 1000  );
 }
 
 #if 0 /* looks pretty ropey in here */

win32/time.h

@@ -28,6 +28,14 @@ struct itimerval {
 	struct timeval it_value;	/* current value */
 };
 
+#ifndef timespec
+struct timespec
+{
+	time_t   tv_sec;   /* seconds */
+	long     tv_nsec;  /* nanoseconds */
+};
+#endif
+
 #define ITIMER_REAL    0		/*generates sigalrm */
 #define ITIMER_VIRTUAL 1		/*generates sigvtalrm */
 #define ITIMER_VIRT    1		/*generates sigvtalrm */
@@ -40,4 +48,6 @@ PHPAPI extern int gettimeofday(struct timeval *time_Info, struct timezone *timez
 PHPAPI extern int setitimer(int which, const struct itimerval *value,
 					 struct itimerval *ovalue);
 
+PHPAPI int nanosleep( const struct timespec * rqtp, struct timespec * rmtp );
+
 #endif

win32/unistd.h

@@ -1,4 +1,4 @@
 #ifndef _PHP_WIN32_UNISTD_H
 #define _PHP_WIN32_UNISTD_H
-void usleep(unsigned int useconds);
+PHPAPI int usleep(unsigned int useconds);
 #endif