[PATCH] pthread_yield

[Yaakov (Cygwin/X)]

pthread_yield(3) was part of the POSIX.1c drafts but never made it into
the final standard.  Nevertheless, it is provided by Linux[1],
FreeBSD[2], OpenBSD[3], AIX[4], and possibly other *NIXes.  

"On Linux, this function is implemented as a call to sched_yield(2)."
Patch attached.


Yaakov


[1] http://www.kernel.org/doc/man-pages/online/pages/man3/pthread_yield.3.html
[2] http://www.freebsd.org/cgi/man.cgi?query=pthread_yield
[3] http://www.openbsd.org/cgi-bin/man.cgi?query=pthread_yield
[4] http://publib.boulder.ibm.com/infocenter/aix/v6r1/index.jsp?topic=/com.ibm.aix.basetechref/doc/basetrf1/pthread_yield.htm

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