Corinna Vinschen 8f97c045b8 Fix sigwait and pthread_kill return values in case of error
* signal.cc (sigwait): Fix return value to reflect errno in case of
	error according to POSIX.  Never return EINTR.
	* thread.cc (pthread_kill): Return errno if sig_send failed.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-10-30 16:05:43 +01:00
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