diff options
Diffstat (limited to 'libc/unistd/abort.c')
-rw-r--r-- | libc/unistd/abort.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/libc/unistd/abort.c b/libc/unistd/abort.c deleted file mode 100644 index d4e40e1..0000000 --- a/libc/unistd/abort.c +++ /dev/null @@ -1,101 +0,0 @@ -/* $OpenBSD: abort.c,v 1.14 2005/08/08 08:05:36 espie Exp $ */ -/* - * Copyright (c) 1985 Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <signal.h> -#include <stdlib.h> -#include <unistd.h> -#include "thread_private.h" -#include "atexit.h" - -/* temporary, for bug hunting */ -#include "logd.h" -#define debug_log(format, ...) \ - __libc_android_log_print(ANDROID_LOG_DEBUG, "libc-abort", (format), ##__VA_ARGS__ ) - -void -abort(void) -{ - struct atexit *p = __atexit; - static int cleanup_called = 0; - sigset_t mask; - - - sigfillset(&mask); - /* - * don't block SIGABRT to give any handler a chance; we ignore - * any errors -- X311J doesn't allow abort to return anyway. - */ - sigdelset(&mask, SIGABRT); - /* temporary, so deliberate seg fault can be caught by debuggerd */ - sigdelset(&mask, SIGSEGV); - /* -- */ - (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); - - /* - * POSIX requires we flush stdio buffers on abort - */ - if (cleanup_called == 0) { - while (p != NULL && p->next != NULL) - p = p->next; - /* the check for fn_dso == NULL is mostly paranoia */ - if (p != NULL && p->fns[0].fn_dso == NULL && - p->fns[0].fn_ptr.std_func != NULL) { - cleanup_called = 1; - (*p->fns[0].fn_ptr.std_func)(); - } - } - - /* temporary, for bug hunting */ - debug_log("abort() called in pid %d\n", getpid()); - /* seg fault seems to produce better debuggerd results than SIGABRT */ - *((char*)0xdeadbaad) = 39; - debug_log("somehow we're not dead?\n"); - /* -- */ - - (void)kill(getpid(), SIGABRT); - - /* - * if SIGABRT ignored, or caught and the handler returns, do - * it again, only harder. - */ - { - struct sigaction sa; - - sa.sa_handler = SIG_DFL; - sa.sa_flags = SA_RESTART; - sigemptyset(&sa.sa_mask); - - (void)sigaction( SIGABRT, &sa, &sa ); - } - - (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); - (void)kill(getpid(), SIGABRT); - _exit(1); -} |