1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/debug_util.h"
9 #include "base/basictypes.h"
11 static void ExitSignalHandler(int sig
) {
12 // A call to exit() can call atexit() handlers. If we SIGSEGV due
13 // to a corrupt heap, and if we have an atexit handler that
14 // allocates or frees memory, we are in trouble if we do not _exit.
19 void DebugUtil::DisableOSCrashDumps() {
20 // These are the POSIX signals corresponding to the Mach exceptions that
21 // Apple Crash Reporter handles. See ux_exception() in xnu's
22 // bsd/uxkern/ux_exception.c and machine_exception() in xnu's
23 // bsd/dev/*/unix_signal.c.
24 const int signals_to_intercept
[] = {
25 SIGILL
, // EXC_BAD_INSTRUCTION
26 SIGTRAP
, // EXC_BREAKPOINT
27 SIGFPE
, // EXC_ARITHMETIC
28 SIGBUS
, // EXC_BAD_ACCESS
29 SIGSEGV
// EXC_BAD_ACCESS
32 // For all these signals, just wire things up so we exit immediately.
33 for (size_t i
= 0; i
< arraysize(signals_to_intercept
); ++i
) {
34 signal(signals_to_intercept
[i
], ExitSignalHandler
);