Index: android_webview/browser/aw_browser_terminator.cc |
diff --git a/android_webview/browser/aw_browser_terminator.cc b/android_webview/browser/aw_browser_terminator.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..362d070dc7c91050be096f97d171321be6ea963c |
--- /dev/null |
+++ b/android_webview/browser/aw_browser_terminator.cc |
@@ -0,0 +1,87 @@ |
+// Copyright 2016 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 "android_webview/browser/aw_browser_terminator.h" |
+ |
+#include <unistd.h> |
+ |
+#include "android_webview/common/aw_descriptors.h" |
+#include "base/bind.h" |
+#include "base/logging.h" |
+#include "base/stl_util.h" |
+#include "base/sync_socket.h" |
+#include "content/public/browser/browser_thread.h" |
+#include "content/public/browser/child_process_data.h" |
+#include "content/public/browser/notification_service.h" |
+#include "content/public/browser/notification_types.h" |
+#include "content/public/browser/render_process_host.h" |
+ |
+using content::BrowserThread; |
+ |
+namespace android_webview { |
+ |
+AwBrowserTerminator::AwBrowserTerminator() {} |
+ |
+AwBrowserTerminator::~AwBrowserTerminator() {} |
+ |
+void AwBrowserTerminator::OnChildStart(int child_process_id, |
+ content::FileDescriptorInfo* mappings) { |
+ DCHECK_CURRENTLY_ON(content::BrowserThread::PROCESS_LAUNCHER); |
+ |
+ base::AutoLock auto_lock(child_process_id_to_pipe_lock_); |
+ DCHECK(!ContainsKey(child_process_id_to_pipe_, child_process_id)); |
+ |
+ auto local_pipe = base::MakeUnique<base::SyncSocket>(); |
+ auto child_pipe = base::MakeUnique<base::SyncSocket>(); |
+ if (base::SyncSocket::CreatePair(local_pipe.get(), child_pipe.get())) { |
+ child_process_id_to_pipe_[child_process_id] = std::move(local_pipe); |
+ mappings->Transfer(kAndroidWebViewCrashSignalDescriptor, |
+ base::ScopedFD(dup(child_pipe->handle()))); |
+ } |
+} |
+ |
+void AwBrowserTerminator::ProcessTerminationStatus( |
+ std::unique_ptr<base::SyncSocket> pipe) { |
+ if (pipe->Peek() >= sizeof(int)) { |
+ int exit_code; |
+ pipe->Receive(&exit_code, sizeof(exit_code)); |
+ LOG(FATAL) << "Renderer process crash detected (code " << exit_code |
+ << "). Terminating browser."; |
+ } else { |
+ // The child process hasn't written anything into the pipe. This implies |
+ // that it was terminated via SIGKILL by the low memory killer, and thus we |
+ // need to perform a clean exit. |
+ exit(0); |
+ } |
+} |
+ |
+void AwBrowserTerminator::OnChildExit( |
+ int child_process_id, |
+ base::ProcessHandle pid, |
+ content::ProcessType process_type, |
+ base::TerminationStatus termination_status, |
+ base::android::ApplicationState app_state) { |
+ std::unique_ptr<base::SyncSocket> pipe; |
+ |
+ { |
+ base::AutoLock auto_lock(child_process_id_to_pipe_lock_); |
+ const auto& iter = child_process_id_to_pipe_.find(child_process_id); |
+ if (iter == child_process_id_to_pipe_.end()) { |
+ // We might get a NOTIFICATION_RENDERER_PROCESS_TERMINATED and a |
+ // NOTIFICATION_RENDERER_PROCESS_CLOSED. |
+ return; |
+ } |
+ pipe = std::move(iter->second); |
+ child_process_id_to_pipe_.erase(iter); |
+ } |
+ if (termination_status == base::TERMINATION_STATUS_NORMAL_TERMINATION) |
+ return; |
+ DCHECK(pipe->handle() != base::SyncSocket::kInvalidHandle); |
+ BrowserThread::PostTask( |
+ BrowserThread::FILE, FROM_HERE, |
+ base::Bind(&AwBrowserTerminator::ProcessTerminationStatus, |
+ base::Passed(std::move(pipe)))); |
+} |
+ |
+} // namespace breakpad |