Description: sigwait() defined in signal.h if defined _POSIX_PTHREAD_SEMANTICS,
 but sigwait() needs sigset_t to be defined too.
Index: b/usr/src/uts/common/sys/signal.h
===================================================================
--- a/usr/src/uts/common/sys/signal.h	2014-03-01 22:51:48.964746600 +0400
+++ b/usr/src/uts/common/sys/signal.h	2014-03-01 22:56:20.496053174 +0400
@@ -48,7 +48,7 @@
 #endif
 
 #if defined(__EXTENSIONS__) || defined(_KERNEL) || !defined(_STRICT_STDC) || \
-	defined(__XOPEN_OR_POSIX)
+	defined(__XOPEN_OR_POSIX) || defined(_POSIX_PTHREAD_SEMANTICS)
 
 #if defined(__EXTENSIONS__) || defined(_KERNEL) || \
 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \