| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "platform/globals.h" |
| #if defined(TARGET_OS_LINUX) |
| |
| #include "bin/vmstats_impl.h" |
| |
| #include <signal.h> // NOLINT |
| |
| |
| namespace dart { |
| namespace bin { |
| |
| static void sig_handler(int sig, siginfo_t* siginfo, void*) { |
| if (sig == SIGQUIT) { |
| VmStats::DumpStack(); |
| } else { |
| FATAL1("unrequested signal %d received\n", sig); |
| } |
| } |
| |
| void VmStats::Initialize() { |
| // Enable SIGQUIT (ctrl-\) stack dumps. |
| struct sigaction sigact; |
| memset(&sigact, '\0', sizeof(sigact)); |
| sigact.sa_sigaction = sig_handler; |
| sigact.sa_flags = SA_SIGINFO; |
| if (sigaction(SIGQUIT, &sigact, NULL) < 0) { |
| perror("sigaction"); |
| } |
| } |
| |
| } // namespace bin |
| } // namespace dart |
| |
| #endif // defined(TARGET_OS_LINUX) |