Method exitCli

lib/API.js:267–305

* Exit methods for API * @param {Integer} code exit code for terminal

(code)

   * @param {Integer} code exit code for terminal
   */
  exitCli (code) {
    var that = this;

    // Do nothing if PM2 called programmatically (also in speedlist)
    if (conf.PM2_PROGRAMMATIC && process.env.PM2_USAGE != 'CLI') return false;

    KMDaemon.disconnectRPC(function() {
      that.Client.close(function() {
        code = code || 0;
        // Safe exits process after all streams are drained.
        // file descriptor flag.
        var fds = 0;
        // exits process when stdout (1) and sdterr(2) are both drained.
        function tryToExit() {
          if ((fds & 1) && (fds & 2)) {
            debug('This command took %ds to execute', (new Date() - that.start_timer) / 1000);
            process.exit(code);
          }
        }

        [process.stdout, process.stderr].forEach(function(std) {
          var fd = std.fd;
          if (!std.bufferSize) {
            // bufferSize equals 0 means current stream is drained.
            fds = fds | fd;
          } else {
            // Appends nothing to the std queue, but will trigger `tryToExit` event on `drain`.
            std.write && std.write('', function() {
              fds = fds | fd;
              tryToExit();
            });
          }
          // Does not write anything more.
          delete std.write;
        });
        tryToExit();
      });
    });
  }

////////////////////////////
// Application management //