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-rw-r--r--winsup/cygwin/signal.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/winsup/cygwin/signal.cc b/winsup/cygwin/signal.cc
index 2510d22cb..ff769e471 100644
--- a/winsup/cygwin/signal.cc
+++ b/winsup/cygwin/signal.cc
@@ -74,7 +74,7 @@ signal (int sig, _sig_func_ptr func)
else
gs.sa_flags |= SA_RESTART;
- gs.sa_mask = 0;
+ gs.sa_mask = SIGTOMASK (sig);
gs.sa_handler = func;
gs.sa_flags &= ~SA_SIGINFO;