54 lines
1.6 KiB
Plaintext
54 lines
1.6 KiB
Plaintext
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#import <Foundation/Foundation.h>
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#include <mach/task.h>
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#include <stdio.h>
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#include "base/logging.h"
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// This is just enough of a shim to let the support needed by test_support
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// link.
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namespace base {
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namespace debug {
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namespace {
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void StackDumpSignalHandler(int signal) {
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// TODO(phajdan.jr): Fix async-signal unsafety.
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LOG(ERROR) << "Received signal " << signal;
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NSArray *stack_symbols = [NSThread callStackSymbols];
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for (NSString* stack_symbol in stack_symbols) {
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fprintf(stderr, "\t%s\n", [stack_symbol UTF8String]);
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}
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_exit(1);
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}
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} // namespace
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// TODO(phajdan.jr): Deduplicate, see copy in stack_trace_posix.cc.
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bool EnableInProcessStackDumping() {
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// When running in an application, our code typically expects SIGPIPE
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// to be ignored. Therefore, when testing that same code, it should run
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// with SIGPIPE ignored as well.
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struct sigaction action;
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action.sa_handler = SIG_IGN;
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action.sa_flags = 0;
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sigemptyset(&action.sa_mask);
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bool success = (sigaction(SIGPIPE, &action, NULL) == 0);
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success &= (signal(SIGILL, &StackDumpSignalHandler) != SIG_ERR);
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success &= (signal(SIGABRT, &StackDumpSignalHandler) != SIG_ERR);
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success &= (signal(SIGFPE, &StackDumpSignalHandler) != SIG_ERR);
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success &= (signal(SIGBUS, &StackDumpSignalHandler) != SIG_ERR);
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success &= (signal(SIGSEGV, &StackDumpSignalHandler) != SIG_ERR);
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success &= (signal(SIGSYS, &StackDumpSignalHandler) != SIG_ERR);
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return success;
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}
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} // namespace debug
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} // namespace base
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