| /* Copyright (C) 1991,92,94,95,97,98,2000,02,04 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> |
| #include <pthreadP.h> |
| #include <jmpbuf-unwind.h> |
| |
| extern void __sigstack_longjmp (__jmp_buf, int) |
| __attribute__ ((noreturn)); |
| |
| /* Like __libc_siglongjmp(), but safe for crossing from alternate |
| signal stack to normal stack. Needed by NPTL. */ |
| void |
| __libc_unwind_longjmp (sigjmp_buf env, int val) |
| { |
| /* Perform any cleanups needed by the frames being unwound. */ |
| __pthread_cleanup_upto (env->__jmpbuf, CURRENT_STACK_FRAME); |
| |
| 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. */ |
| __sigstack_longjmp (env[0].__jmpbuf, val ?: 1); |
| } |
| hidden_def (__libc_unwind_longjmp) |
