1 files changed, 36 insertions, 0 deletions
diff --git a/setjmp/sigjmp.c b/setjmp/sigjmp.c
new file mode 100644
index 0000000000..a01c4120da
--- /dev/null
+++ b/setjmp/sigjmp.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1992, 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <signal.h>
+
+/* This function is called by the `sigsetjmp' macro
+   before doing a `__setjmp' on ENV[0].__jmpbuf.
+   Always return zero.  */
+
+int
+DEFUN(__sigjmp_save, (env, savemask), sigjmp_buf env AND int savemask)
+{
+  env[0].__mask_was_saved = (savemask &&
+			     __sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
+					    &env[0].__saved_mask) == 0);
+
+  return 0;
+}