Add support for pthread_sigmask() and sigwait().  All absolutely
horrible, especially the latter.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@266 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/vg_libpthread_unimp.c b/vg_libpthread_unimp.c
index c592e32..4157af6 100644
--- a/vg_libpthread_unimp.c
+++ b/vg_libpthread_unimp.c
@@ -150,7 +150,7 @@
 //void pthread_setcanceltype ( void )  { unimp("pthread_setcanceltype"); }
 //void pthread_setschedparam ( void )  { unimp("pthread_setschedparam"); }
 //void pthread_setspecific ( void )  { unimp("pthread_setspecific"); }
-void pthread_sigmask ( void )  { unimp("pthread_sigmask"); }
+//void pthread_sigmask ( void )  { unimp("pthread_sigmask"); }
 //void pthread_testcancel ( void )  { unimp("pthread_testcancel"); }
 void raise ( void )  { unimp("raise"); }
 void sem_close ( void )  { unimp("sem_close"); }
@@ -159,7 +159,7 @@
 void sem_unlink ( void )  { unimp("sem_unlink"); }
 //void sigaction ( void )  { unimp("sigaction"); }
 void siglongjmp ( void )  { unimp("siglongjmp"); }
-void sigwait ( void )  { unimp("sigwait"); }
+//void sigwait ( void )  { unimp("sigwait"); }
 
 #if 0
 void pthread_create@@GLIBC_2.1 ( void )  { unimp("pthread_create@@GLIBC_2.1"); }