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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/ia64/nptl/unwind_longjmp.c
1 /* Copyright (C) 1991,92,94,95,97,98,2000,02,04 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 #include <jmpbuf-unwind.h>
25 extern void __sigstack_longjmp (__jmp_buf
, int)
26 __attribute__ ((noreturn
));
28 /* Like __libc_siglongjmp(), but safe for crossing from alternate
29 signal stack to normal stack. Needed by NPTL. */
31 __libc_unwind_longjmp (sigjmp_buf env
, int val
)
33 /* Perform any cleanups needed by the frames being unwound. */
34 __pthread_cleanup_upto (env
->__jmpbuf
, CURRENT_STACK_FRAME
);
36 if (env
[0].__mask_was_saved
)
37 /* Restore the saved signal mask. */
38 (void) __sigprocmask (SIG_SETMASK
, &env
[0].__saved_mask
,
41 /* Call the machine-dependent function to restore machine state. */
42 __sigstack_longjmp (env
[0].__jmpbuf
, val
?: 1);
44 hidden_def (__libc_unwind_longjmp
)