/* Copyright (C) 1991, 92, 94, 95, 97, 98 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. 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> #define __USE_GNU #include <signal.h> #if 0 extern void _longjmp_unwind (jmp_buf env, int val); #endif extern void __longjmp(__jmp_buf __env, int __val) __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 __uClibc_siglongjmp (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, (sigset_t *) NULL); /* Call the machine-dependent function to restore machine state. */ __longjmp (env[0].__jmpbuf, val ?: 1); } __asm__(".weak longjmp; longjmp = __uClibc_siglongjmp"); __asm__(".weak _longjmp; _longjmp = __uClibc_siglongjmp"); __asm__(".weak siglongjmp; siglongjmp = __uClibc_siglongjmp"); __asm__(".weak __sigprocmask; __sigprocmask = sigprocmask");