xpcom/threads/nsIProcess.idl

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "nsISupports.idl"
   6
   7 interface nsIFile;
   8 interface nsIObserver;
   9
  10 [scriptable, uuid(609610de-9954-4a63-8a7c-346350a86403)]
  11 interface nsIProcess : nsISupports
  12 {
  13   /**
  14    * Initialises the process with an executable to be run. Call the run method
  15    * to run the executable.
  16    * @param executable The executable to run.
  17    */
  18   void init(in nsIFile executable);
  19
  20   /**
  21    * Kills the running process. After exiting the process will either have
  22    * been killed or a failure will have been returned.
  23    */
  24   void kill();
  25
  26   /**
  27    * Executes the file this object was initialized with
  28    * @param blocking   Whether to wait until the process terminates before
  29                        returning or not.
  30    * @param args       An array of arguments to pass to the process in the
  31    *                   native character set.
  32    * @param count      The length of the args array.
  33    */
  34   void run(in boolean blocking, [array, size_is(count)] in string args,
  35            in unsigned long count);
  36
  37   /**
  38    * Executes the file this object was initialized with optionally calling
  39    * an observer after the process has finished running.
  40    * @param args       An array of arguments to pass to the process in the
  41    *                   native character set.
  42    * @param count      The length of the args array.
  43    * @param observer   An observer to notify when the process has completed. It
  44    *                   will receive this process instance as the subject and
  45    *                   "process-finished" or "process-failed" as the topic. The
  46    *                   observer will be notified on the main thread.
  47    * @param holdWeak   Whether to use a weak reference to hold the observer.
  48    */
  49   void runAsync([array, size_is(count)] in string args, in unsigned long count,
  50                 [optional] in nsIObserver observer, [optional] in boolean holdWeak);
  51
  52   /**
  53    * Executes the file this object was initialized with
  54    * @param blocking   Whether to wait until the process terminates before
  55                        returning or not.
  56    * @param args       An array of arguments to pass to the process in UTF-16
  57    * @param count      The length of the args array.
  58    */
  59   void runw(in boolean blocking, [array, size_is(count)] in wstring args,
  60             in unsigned long count);
  61
  62   /**
  63    * Executes the file this object was initialized with optionally calling
  64    * an observer after the process has finished running.
  65    * @param args       An array of arguments to pass to the process in UTF-16
  66    * @param count      The length of the args array.
  67    * @param observer   An observer to notify when the process has completed. It
  68    *                   will receive this process instance as the subject and
  69    *                   "process-finished" or "process-failed" as the topic. The
  70    *                   observer will be notified on the main thread.
  71    * @param holdWeak   Whether to use a weak reference to hold the observer.
  72    */
  73   void runwAsync([array, size_is(count)] in wstring args,
  74                  in unsigned long count,
  75                  [optional] in nsIObserver observer, [optional] in boolean holdWeak);
  76
  77   /**
  78    * The process identifier of the currently running process. This will only
  79    * be available after the process has started and may not be available on
  80    * some platforms.
  81    */
  82   readonly attribute unsigned long pid;
  83
  84   /**
  85    * The exit value of the process. This is only valid after the process has
  86    * exited.
  87    */
  88   readonly attribute long exitValue;
  89
  90   /**
  91    * Returns whether the process is currently running or not.
  92    */
  93   readonly attribute boolean isRunning;
  94 };
  95
  96 %{C++
  97
  98 #define NS_PROCESS_CONTRACTID "@mozilla.org/process/util;1"
  99 %}