| /* 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) |
| |
| #ifdef __UCLIBC_HAS_THREADS_NATIVE__ |
| 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) |
| { |
| #ifdef __UCLIBC_HAS_THREADS_NATIVE__ |
| /* 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) |