opensolaris man page for sched_yield

sched_yield(3C) 					   Standard C Library Functions 					   sched_yield(3C)

NAME
       sched_yield - yield processor

SYNOPSIS
       #include <sched.h>

       int sched_yield(void);

DESCRIPTION
       The  sched_yield()  function  forces the running thread to relinquish the processor until the process again becomes the head of its process
       list. It takes no arguments.

RETURN VALUES
       If successful, sched_yield() returns 0, otherwise, it returns -1, and sets errno to indicate the error condition.

ERRORS
       No errors are defined.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |ATTRIBUTE TYPE		     |ATTRIBUTE VALUE		   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+
       |Standard		     |See standards(5). 	   |
       +-----------------------------+-----------------------------+

SEE ALSO
       librt(3LIB), sched.h(3HEAD), attributes(5), standards(5)

SunOS 5.11							    5 Feb 2008							   sched_yield(3C)