Fix up sig handling so it is more in sync with glibc behavior

1 files changed, 34 insertions, 0 deletions

diff --git a/libc/signal/sigsetops.h b/libc/signal/sigsetops.h
new file mode 100644
index 000000000..16f9b3625
--- /dev/null
+++ b/libc/signal/sigsetops.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library 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 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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 the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Definitions relevant to functions that operate on `sigset_t's.  */
+
+#include <errno.h>
+#define __USE_GNU
+#include <signal.h>
+#include <string.h>
+
+#define	BITS		(_NSIG - 1)
+#define	ELT(signo)	(((signo) - 1) / BITS)
+#define	MASK(signo)	(1 << (((signo) - 1) % BITS))
+
+#undef	sigemptyset
+#undef	sigfillset
+#undef	sigaddset
+#undef	sigdelset
+#undef	sigismember