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-rw-r--r--libpthread/sysdeps/hurd/pt-kill.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libpthread/sysdeps/hurd/pt-kill.c b/libpthread/sysdeps/hurd/pt-kill.c
index f970e065..d204e3f6 100644
--- a/libpthread/sysdeps/hurd/pt-kill.c
+++ b/libpthread/sysdeps/hurd/pt-kill.c
@@ -39,6 +39,9 @@ pthread_kill (pthread_t thread, int sig)
ss = _hurd_thread_sigstate (pthread->kernel_thread);
assert (ss);
+ if (!sig)
+ return 0;
+
detail.exc = 0;
detail.code = sig;
detail.error = 0;