/* Copyright (C) 2003-2014 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>. 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; see the file COPYING.LIB. If not, see <http://www.gnu.org/licenses/>. */ #include <dlfcn.h> #include <stdio.h> #include <unwind.h> #include <gnu/lib-names.h> static void (*libgcc_s_resume) (struct _Unwind_Exception *exc) __attribute__ ((noreturn)); static _Unwind_Reason_Code (*libgcc_s_personality) (int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *, struct _Unwind_Context *); static void init (void) { void *resume, *personality; void *handle; handle = __libc_dlopen (LIBGCC_S_SO); if (handle == NULL || (resume = __libc_dlsym (handle, "_Unwind_Resume")) == NULL || (personality = __libc_dlsym (handle, "__gcc_personality_v0")) == NULL) __libc_fatal (LIBGCC_S_SO " must be installed for pthread_cancel to work\n"); libgcc_s_resume = resume; libgcc_s_personality = personality; } void _Unwind_Resume (struct _Unwind_Exception *exc) { if (__glibc_unlikely (libgcc_s_resume == NULL)) init (); (*libgcc_s_resume) (exc); } _Unwind_Reason_Code __gcc_personality_v0 (int version, _Unwind_Action actions, _Unwind_Exception_Class exception_class, struct _Unwind_Exception *ue_header, struct _Unwind_Context *context) { if (__glibc_unlikely (libgcc_s_personality == NULL)) init (); return (*libgcc_s_personality) (version, actions, exception_class, ue_header, context); }