Function kwsysProcess_Kill

Source/kwsys/ProcessUNIX.c:1442–1486

}

void kwsysProcess_Kill(kwsysProcess* cp)
{
  int i;

  /* Make sure we are executing a process.  */
  if (!cp || cp->State != kwsysProcess_State_Executing) {
    return;
  }

  /* First close the child exit report pipe write end to avoid causing a
     SIGPIPE when the child terminates and our signal handler tries to
     report it after we have already closed the read end.  */
  kwsysProcessCleanupDescriptor(&cp->SignalPipe);

#if !defined(__APPLE__)
  /* Close all the pipe read ends.  Do this before killing the
     children because Cygwin has problems killing processes that are
     blocking to wait for writing to their output pipes.  */
  kwsysProcessClosePipes(cp);
#endif

  /* Kill the children.  */
  cp->Killed = 1;
  for (i = 0; i < cp->NumberOfCommands; ++i) {
    int status;
    if (cp->ForkPIDs[i]) {
      /* Kill the child.  */
      kwsysProcessKill(cp->ForkPIDs[i]);

      /* Reap the child.  Keep trying until the call is not
         interrupted.  */
      while ((waitpid(cp->ForkPIDs[i], &status, 0) < 0) && (errno == EINTR)) {
      }
    }
  }

#if defined(__APPLE__)
  /* Close all the pipe read ends.  Do this after killing the
     children because OS X has problems closing pipe read ends whose
     pipes are full and still have an open write end.  */
  kwsysProcessClosePipes(cp);
#endif

  cp->CommandsLeft = 0;
}

/* Call the free() function with a pointer to volatile without causing
   compiler warnings.  */