base/mac/launchd.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef BASE_MAC_LAUNCHD_H_
   6 #define BASE_MAC_LAUNCHD_H_
   7
   8 #include <launch.h>
   9 #include <sys/types.h>
  10
  11 #include <string>
  12
  13 #include "base/base_export.h"
  14
  15 namespace base {
  16 namespace mac {
  17
  18 // MessageForJob sends a single message to launchd with a simple dictionary
  19 // mapping |operation| to |job_label|, and returns the result of calling
  20 // launch_msg to send that message. On failure, returns NULL. The caller
  21 // assumes ownership of the returned launch_data_t object.
  22 BASE_EXPORT
  23 launch_data_t MessageForJob(const std::string& job_label,
  24                             const char* operation);
  25
  26 // Returns the process ID for |job_label| if the job is running, 0 if the job
  27 // is loaded but not running, or -1 on error.
  28 BASE_EXPORT
  29 pid_t PIDForJob(const std::string& job_label);
  30
  31 }  // namespace mac
  32 }  // namespace base
  33
  34 #endif  // BASE_MAC_LAUNCHD_H_