Function kwsysProcessesRemove

Source/kwsys/ProcessUNIX.c:2788–2836

}

static void kwsysProcessesRemove(kwsysProcess* cp)
{
  /* Attempt to remove the given signal pipe from the signal handler set.  */
  {
    /* Find the given process in the set.  */
    kwsysProcessInstances newProcesses = kwsysProcesses;
    int i;
    for (i = 0; i < newProcesses.Count; ++i) {
      if (newProcesses.Processes[i] == cp) {
        break;
      }
    }
    if (i < newProcesses.Count) {
      /* Remove the process from the set.  */
      --newProcesses.Count;
      for (; i < newProcesses.Count; ++i) {
        newProcesses.Processes[i] = newProcesses.Processes[i + 1];
      }

      /* If this was the last process, disable the signal handler.  */
      if (newProcesses.Count == 0) {
        /* Restore the signal handlers.  Repeat call until it is not
           interrupted.  */
        while ((sigaction(SIGCHLD, &kwsysProcessesOldSigChldAction, 0) < 0) &&
               (errno == EINTR)) {
        }
        while ((sigaction(SIGINT, &kwsysProcessesOldSigIntAction, 0) < 0) &&
               (errno == EINTR)) {
        }
        while ((sigaction(SIGTERM, &kwsysProcessesOldSigTermAction, 0) < 0) &&
               (errno == EINTR)) {
        }

        /* Free the table of process pointers since it is now empty.
           This is safe because the signal handler has been removed.  */
        newProcesses.Size = 0;
        free(newProcesses.Processes);
        newProcesses.Processes = 0;
      }

      /* Store the new set in that seen by the signal handler.  */
      kwsysProcessesUpdate(&newProcesses);
    }
  }

  /* Close the pipe through which the signal handler may have notified
     the given process object that a child has exited.  */
  kwsysProcessCleanupDescriptor(&cp->SignalPipe);
}

static void kwsysProcessesSignalHandler(int signum
#if KWSYSPE_USE_SIGINFO