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- /* Copyright (C) 1991, 92, 94, 95, 97, 98, 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 <stddef.h>
- #include <setjmp.h>
- #include <signal.h>
- extern void __longjmp (__jmp_buf __env, int __val) attribute_noreturn;
- libc_hidden_proto(__longjmp)
- #if 0
- extern void _longjmp_unwind (jmp_buf env, int val);
- #endif
- extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
- /* Set the signal mask to the one specified in ENV, and jump
- to the position specified in ENV, causing the setjmp
- call there to return VAL, or 1 if VAL is 0. */
- void __libc_longjmp (sigjmp_buf env, int val)
- {
- #if 0
- /* Perform any cleanups needed by the frames being unwound. */
- _longjmp_unwind (env, val);
- #endif
- if (env[0].__mask_was_saved)
- /* Restore the saved signal mask. */
- (void) sigprocmask (SIG_SETMASK, &env[0].__saved_mask, NULL);
- /* Call the machine-dependent function to restore machine state. */
- __longjmp (env[0].__jmpbuf, val ?: 1);
- }
- weak_alias(__libc_longjmp,longjmp)
- weak_alias(__libc_longjmp,siglongjmp)
- strong_alias(__libc_longjmp,__libc_siglongjmp)
- strong_alias(__libc_longjmp,_longjmp)
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