1 /* Copyright (C) 1991, 92, 94, 95, 97, 98, 2000 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
24 extern void __longjmp (__jmp_buf __env, int __val) attribute_noreturn;
25 libc_hidden_proto(__longjmp)
27 extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
28 /* Set the signal mask to the one specified in ENV, and jump
29 to the position specified in ENV, causing the setjmp
30 call there to return VAL, or 1 if VAL is 0. */
31 void __libc_longjmp (sigjmp_buf env, int val)
34 /* Perform any cleanups needed by the frames being unwound. */
35 _longjmp_unwind (env, val);
39 /* FM3: signals not supported */
40 if (env[0].__mask_was_saved)
41 /* Restore the saved signal mask. */
42 (void) sigprocmask (SIG_SETMASK, &env[0].__saved_mask, NULL);
45 /* Call the machine-dependent function to restore machine state. */
46 __longjmp (env[0].__jmpbuf, val ?: 1);
49 weak_alias(__libc_longjmp,longjmp)
50 weak_alias(__libc_longjmp,siglongjmp)
51 strong_alias(__libc_longjmp,__libc_siglongjmp)
52 strong_alias(__libc_longjmp,_longjmp)