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-rw-r--r--resolv/gai_cancel.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/resolv/gai_cancel.c b/resolv/gai_cancel.c
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+/* Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <netdb.h>
+#include <pthread.h>
+
+#include "gai_misc.h"
+
+
+int
+gai_cancel (struct gaicb *gaicbp)
+{
+  int result = 0;
+  int status;
+
+  /* Request the mutex.  */
+  pthread_mutex_lock (&__gai_requests_mutex);
+
+  /* Find the request among those queued but not yet running.  */
+  status = __gai_remove_request (gaicbp);
+  if (status == 0)
+    result = EAI_CANCELED;
+  else if (status > 0)
+    result = EAI_NOTCANCELED;
+  else
+    result = EAI_ALLDONE;
+
+  /* Release the mutex.  */
+  pthread_mutex_unlock (&__gai_requests_mutex);
+
+  return result;
+}