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-rw-r--r--lib/libthr/thread/thr_init.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libthr/thread/thr_init.c b/lib/libthr/thread/thr_init.c
index 671bd6f..86622b6 100644
--- a/lib/libthr/thread/thr_init.c
+++ b/lib/libthr/thread/thr_init.c
@@ -349,6 +349,9 @@ _thread_init(void)
SIGEMPTYSET(_thread_suspend_sigset);
SIGADDSET(_thread_suspend_sigset, SIGTHR);
}
+#ifdef _PTHREADS_INVARIANTS
+ SIGADDSET(_thread_suspend_sigset, SIGALRM);
+#endif
/* Get the kernel clockrate: */
mib[0] = CTL_KERN;
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