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NAME

sched_yield - yield the processor

SYNOPSIS

#include <sched.h>

int sched_yield(void);

DESCRIPTION

A process can relinquish the processor voluntarily without blocking by calling sched_yield(2). The process will then be moved to the end of the queue for its static priority and a new process gets to run.

Note: If the current process is the only process in the highest priority list at that time, this process will continue to run after a call to sched_yield(2).

POSIX systems on which sched_yield(2) is available define _POSIX_PRIORITY_SCHEDULING in <unistd.h>''

RETURN VALUE

On success, sched_yield returns 0. On error, -1 is returned, and errno is set appropriately.

CONFORMING TO

POSIX.1b (formerly POSIX.4)

SEE ALSO

sched_setscheduler(2) for a description of Linux scheduling.

Programming for the real world - POSIX.4 by Bill O. Gallmeister, O'Reilly IEEE Std 1003.1b-1993 (POSIX.1b standard) ISO/IEC 9945-1:1996


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