Move debug-related stuff from base to the base/debug directory and use the...

base/debug_util_mac.cc

 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/debug_util.h"
 
 #include <signal.h>
+#include <unistd.h>
 
 #include "base/basictypes.h"
 
 static void ExitSignalHandler(int sig) {
   // A call to exit() can call atexit() handlers.  If we SIGSEGV due
   // to a corrupt heap, and if we have an atexit handler that
   // allocates or frees memory, we are in trouble if we do not _exit.
   _exit(128 + sig);
 }
 
 // static
 void DebugUtil::DisableOSCrashDumps() {
   // These are the POSIX signals corresponding to the Mach exceptions that
   // Apple Crash Reporter handles.  See ux_exception() in xnu's
   // bsd/uxkern/ux_exception.c and machine_exception() in xnu's
   // bsd/dev/*/unix_signal.c.
   const int signals_to_intercept[] = {
     SIGILL,   // EXC_BAD_INSTRUCTION
     SIGTRAP,  // EXC_BREAKPOINT
     SIGFPE,   // EXC_ARITHMETIC
     SIGBUS,   // EXC_BAD_ACCESS
     SIGSEGV   // EXC_BAD_ACCESS
   };
 
   // For all these signals, just wire things up so we exit immediately.
   for (size_t i = 0; i < arraysize(signals_to_intercept); ++i) {
     signal(signals_to_intercept[i], ExitSignalHandler);
   }
 }