osf1 man page for pthread_delay_np

pthread_delay_np(3)					     Library Functions Manual					       pthread_delay_np(3)

NAME
       pthread_delay_np - Delays a thread's execution.

LIBRARY
       DECthreads POSIX 1003.1c Library (libpthread.so)

SYNOPSIS
       #include <pthread.h>

       int  pthread_delay_np(
			const struct timespec	 *interval);

STANDARDS
       None

PARAMETERS
       Number of seconds and nanoseconds to delay execution.  The value specified for each must be greater than or equal to zero.

DESCRIPTION
       This  routine causes a thread to delay execution for a specific interval of time. This interval ends at the current time plus the specified
       interval.  The routine will not return before the end of the interval is reached, but may return an arbitrary amount of time after the  end
       of the interval is reached. This can be due to system load, thread priorities, and system timer granularity.

       Specifying an interval of zero (0) seconds and zero (0) nanoseconds is allowed and can be used to force the thread to give up the processor
       or to deliver a pending cancelation request.

       The timespec structure contains the following two fields: tv_sec is an integral number of  seconds.   tv_nsec  is  an  integral	number	of
       nanoseconds.

RETURN VALUES
       If  an  error condition occurs, this routine returns an integer value indicating the type of error.  Possible return values are as follows:
       Successful completion.  The value specified by interval is invalid.

ERRORS
       None

RELATED INFORMATION
       Manuals: Guide to DECthreads and Programmer's Guide

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															       pthread_delay_np(3)