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// Copyright (c) 2012 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/process_util.h"
#import <Cocoa/Cocoa.h>
#include <crt_externs.h>
#include <errno.h>
#include <mach/mach.h>
#include <mach/mach_init.h>
#include <mach/mach_vm.h>
#include <mach/shared_region.h>
#include <mach/task.h>
#include <malloc/malloc.h>
#import <objc/runtime.h>
#include <signal.h>
#include <spawn.h>
#include <sys/event.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <new>
#include <string>
#include "base/containers/hash_tables.h"
#include "base/debug/debugger.h"
#include "base/file_util.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/mac/mac_util.h"
#include "base/mac/scoped_mach_port.h"
#include "base/posix/eintr_wrapper.h"
#include "base/scoped_clear_errno.h"
#include "base/strings/string_util.h"
#include "base/sys_info.h"
#include "third_party/apple_apsl/CFBase.h"
#include "third_party/apple_apsl/malloc.h"
namespace base {
void RestoreDefaultExceptionHandler() {
// This function is tailored to remove the Breakpad exception handler.
// exception_mask matches s_exception_mask in
// breakpad/src/client/mac/handler/exception_handler.cc
const exception_mask_t exception_mask = EXC_MASK_BAD_ACCESS |
EXC_MASK_BAD_INSTRUCTION |
EXC_MASK_ARITHMETIC |
EXC_MASK_BREAKPOINT;
// Setting the exception port to MACH_PORT_NULL may not be entirely
// kosher to restore the default exception handler, but in practice,
// it results in the exception port being set to Apple Crash Reporter,
// the desired behavior.
task_set_exception_ports(mach_task_self(), exception_mask, MACH_PORT_NULL,
EXCEPTION_DEFAULT, THREAD_STATE_NONE);
}
ProcessId GetParentProcessId(ProcessHandle process) {
struct kinfo_proc info;
size_t length = sizeof(struct kinfo_proc);
int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
if (sysctl(mib, 4, &info, &length, NULL, 0) < 0) {
DPLOG(ERROR) << "sysctl";
return -1;
}
if (length == 0)
return -1;
return info.kp_eproc.e_ppid;
}
} // namespace base
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