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authorUlrich Drepper <drepper@redhat.com>2005-12-14 08:43:25 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-14 08:43:25 +0000
commitb6ab06cef4670e02756bcdd4d2c33a49369a4346 (patch)
treeb30743eb9728d890d1519f62b2d1f2b96f62547a /setjmp
parentd1dc39a44e339f9c48baa3854fffb3d68c73c8fa (diff)
downloadglibc-b6ab06cef4670e02756bcdd4d2c33a49369a4346.tar.gz
2005-12-13 Ulrich Drepper <drepper@redhat.com>
Diffstat (limited to 'setjmp')
-rw-r--r--setjmp/__longjmp.c36
-rw-r--r--setjmp/bsd-_setjmp.c35
-rw-r--r--setjmp/bsd-setjmp.c34
3 files changed, 105 insertions, 0 deletions
diff --git a/setjmp/__longjmp.c b/setjmp/__longjmp.c
new file mode 100644
index 0000000000..8a61ff6770
--- /dev/null
+++ b/setjmp/__longjmp.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1991, 1994, 1995, 1996, 1997, 2000 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. */
+
+#include <errno.h>
+#include <setjmp.h>
+
+
+/* Jump to the position specified by ENV, causing the
+ setjmp call there to return VAL, or 1 if VAL is 0. */
+void
+__longjmp (__jmp_buf env, int val)
+{
+ if (val == 0)
+ val = 1;
+
+ __set_errno (ENOSYS);
+ /* No way to signal failure. */
+}
+
+stub_warning (longjmp)
+#include <stub-tag.h>
diff --git a/setjmp/bsd-_setjmp.c b/setjmp/bsd-_setjmp.c
new file mode 100644
index 0000000000..884a4da9b6
--- /dev/null
+++ b/setjmp/bsd-_setjmp.c
@@ -0,0 +1,35 @@
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. Stub version.
+ Copyright (C) 1994, 1997, 1999, 2000, 2002 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. */
+
+#include <sysdep.h>
+#include <setjmp.h>
+
+#undef _setjmp
+
+/* This implementation in C will not usually work, because the call
+ really needs to be a tail-call so __sigsetjmp saves the state of
+ the caller, not the state of this `setjmp' frame which then
+ immediate unwinds. */
+
+int
+_setjmp (jmp_buf env)
+{
+ return __sigsetjmp (env, 0);
+}
+libc_hidden_def (_setjmp)
diff --git a/setjmp/bsd-setjmp.c b/setjmp/bsd-setjmp.c
new file mode 100644
index 0000000000..15f3f153cc
--- /dev/null
+++ b/setjmp/bsd-setjmp.c
@@ -0,0 +1,34 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. Stub version.
+ Copyright (C) 1994, 1997, 1999 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. */
+
+#include <sysdep.h>
+#include <setjmp.h>
+
+#undef setjmp
+
+/* This implementation in C will not usually work, because the call
+ really needs to be a tail-call so __sigsetjmp saves the state of
+ the caller, not the state of this `setjmp' frame which then
+ immediate unwinds. */
+
+int
+setjmp (jmp_buf env)
+{
+ return __sigsetjmp (env, 1);
+}