1: /* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3:    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
    4: 
    5:    The GNU C Library is free software; you can redistribute it and/or
    6:    modify it under the terms of the GNU Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the License, or (at your option) any later version.
    9: 
   10:    The GNU C Library is distributed in the hope that it will be useful,
   11:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 USA.  */
   19: 
   20: #include <netdb.h>
   21: #include <pthread.h>
   22: 
   23: #include <gai_misc.h>
   24: 
   25: 
   26: int
   27: gai_cancel (struct gaicb *gaicbp)
   28: {
   29:   int result = 0;
   30:   int status;
   31: 
   32:   /* Request the mutex.  */
   33:   pthread_mutex_lock (&__gai_requests_mutex);
   34: 
   35:   /* Find the request among those queued but not yet running.  */
   36:   status = __gai_remove_request (gaicbp);
   37:   if (status == 0)
   38:     result = EAI_CANCELED;
   39:   else if (status > 0)
   40:     result = EAI_NOTCANCELED;
   41:   else
   42:     result = EAI_ALLDONE;
   43: 
   44:   /* Release the mutex.  */
   45:   pthread_mutex_unlock (&__gai_requests_mutex);
   46: 
   47:   return result;
   48: }