SCHED_YIELD(2) |
FreeBSD System Calls Manual |
SCHED_YIELD(2) |
NAME
sched_yield —
yield processor
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include < sched.h>
int
sched_yield( void);
DESCRIPTION
The
sched_yield() system call forces the running process to relinquish the processor until it again becomes the head of its process list. It takes no arguments.
RETURN VALUES
The
sched_yield() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable
errno is set to indicate the error.
ERRORS
On failure
errno will be set to the corresponding value:
-
[
ENOSYS]
-
The system is not configured to support this functionality.
STANDARDS
The
sched_yield() system call conforms to IEEE Std 1003.1b-1993 (“POSIX.1b”).