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-rw-r--r--libpthread/sysdeps/generic/signal.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/libpthread/sysdeps/generic/signal.c b/libpthread/sysdeps/generic/signal.c
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+++ b/libpthread/sysdeps/generic/signal.c
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+/* signal.c - Generic signal implementation.
+ Copyright (C) 2008 Free Software Foundation, Inc.
+ Written by Neal H. Walfield <neal@gnu.org>.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License
+ as published by the Free Software Foundation; either version 3 of
+ the License, or (at your option) any later version.
+
+ The GNU Hurd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this program. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include "sig-internal.h"
+
+void (*signal (int sig, void (*handler)(int)))(int)
+{
+ struct sigaction sa;
+
+ sa.sa_handler = handler;
+ sa.sa_flags = SA_RESTART;
+
+ if (sigemptyset (&sa.sa_mask) < 0
+ || sigaddset (&sa.sa_mask, sig) < 0)
+ return SIG_ERR;
+
+ struct sigaction osa;
+ if (sigaction (sig, &sa, &osa) < 0)
+ return SIG_ERR;
+
+ return osa.sa_handler;
+}
+
+void (*bsd_signal (int sig, void (*func)(int)))(int)
+{
+ return signal (sig, func);
+}