/* 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)