how to use sleep comand for milliseconds? Post: 302088528

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LEARN ABOUT MOJAVE

nanosleep

NANOSLEEP(2)						      BSD System Calls Manual						      NANOSLEEP(2)

NAME

     nanosleep -- suspend thread execution for an interval measured in nanoseconds

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <time.h>

     int
     nanosleep(const struct timespec *rqtp, struct timespec *rmtp);

DESCRIPTION

     The nanosleep() function causes the calling thread to sleep for the amount of time specified in rqtp (the actual time slept may be longer,
     due to system latencies and possible limitations in the timer resolution of the hardware).  An unmasked signal will cause nanosleep() to ter-
     minate the sleep early, regardless of the SA_RESTART value on the interrupting signal.

RETURN VALUES

     If nanosleep() returns because the requested time has elapsed, the value returned will be zero.

     If nanosleep() returns due to the delivery of a signal, the value returned will be the -1, and the global variable errno will be set to indi-
     cate the interruption.  If rmtp is non-NULL, the timespec structure it references is updated to contain the unslept amount (the request time
     minus the time actually slept).

ERRORS

     The nanosleep() call fails if:

     [EINTR]		nanosleep() was interrupted by the delivery of a signal.

     [EINVAL]		rqtp specified a nanosecond value less than zero or greater than or equal to 1000 million.

SEE ALSO

     sigsuspend(2), sleep(3)

STANDARDS

     The nanosleep() function conforms to IEEE Std 1003.1b-1993 (``POSIX.1'').

BSD
								  April 17, 1997							       BSD