From 56f0f264ff866052ebcb24e75147cb600e6547a1 Mon Sep 17 00:00:00 2001
From: "dmaclach@chromium.org"
 <dmaclach@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Thu, 24 Feb 2011 17:14:36 +0000
Subject: Get service process running standalone on the mac by hooking it into
 launchd.

BUG=NONE
TEST=BUILD

Review URL: http://codereview.chromium.org/6482016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@75893 0039d316-1c4b-4281-b951-d872f2087c98
---
 chrome/common/service_process_util_linux.cc | 79 +++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 chrome/common/service_process_util_linux.cc

(limited to 'chrome/common/service_process_util_linux.cc')

diff --git a/chrome/common/service_process_util_linux.cc b/chrome/common/service_process_util_linux.cc
new file mode 100644
index 0000000..1a53889
--- /dev/null
+++ b/chrome/common/service_process_util_linux.cc
@@ -0,0 +1,79 @@
+// Copyright (c) 2010 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 "chrome/common/service_process_util_posix.h"
+
+#include <signal.h>
+#include <unistd.h>
+
+#include "base/file_util.h"
+#include "base/logging.h"
+#include "base/threading/platform_thread.h"
+#include "chrome/common/multi_process_lock.h"
+
+namespace {
+
+// Attempts to take a lock named |name|. If |waiting| is true then this will
+// make multiple attempts to acquire the lock.
+// Caller is responsible for ownership of the MultiProcessLock.
+MultiProcessLock* TakeNamedLock(const std::string& name, bool waiting) {
+  scoped_ptr<MultiProcessLock> lock(MultiProcessLock::Create(name));
+  if (lock == NULL) return NULL;
+  bool got_lock = false;
+  for (int i = 0; i < 10; ++i) {
+    if (lock->TryLock()) {
+      got_lock = true;
+      break;
+    }
+    if (!waiting) break;
+    base::PlatformThread::Sleep(100 * i);
+  }
+  if (!got_lock) {
+    lock.reset();
+  }
+  return lock.release();
+}
+
+MultiProcessLock* TakeServiceInitializingLock(bool waiting) {
+  std::string lock_name =
+      GetServiceProcessScopedName("_service_initializing");
+  return TakeNamedLock(lock_name, waiting);
+}
+
+}  // namespace
+
+MultiProcessLock* TakeServiceRunningLock(bool waiting) {
+  std::string lock_name =
+      GetServiceProcessScopedName("_service_running");
+  return TakeNamedLock(lock_name, waiting);
+}
+
+bool ForceServiceProcessShutdown(const std::string& version,
+                                 base::ProcessId process_id) {
+  if (kill(process_id, SIGTERM) < 0) {
+    PLOG(ERROR) << "kill";
+    return false;
+  }
+  return true;
+}
+
+bool CheckServiceProcessReady() {
+  scoped_ptr<MultiProcessLock> running_lock(TakeServiceRunningLock(false));
+  return running_lock.get() == NULL;
+}
+
+bool ServiceProcessState::TakeSingletonLock() {
+  state_->initializing_lock_.reset(TakeServiceInitializingLock(true));
+  return state_->initializing_lock_.get();
+}
+
+bool ServiceProcessState::AddToAutoRun(CommandLine* cmd_line) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool ServiceProcessState::RemoveFromAutoRun() {
+  NOTIMPLEMENTED();
+  return false;
+}
-- 
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