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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/* Copyright (C) 2001-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <netdb.h>
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#include <pthread.h>
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#include <gai_misc.h>
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int
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gai_cancel (struct gaicb *gaicbp)
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{
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int result = 0;
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int status;
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/* Request the mutex. */
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pthread_mutex_lock (&__gai_requests_mutex);
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/* Find the request among those queued but not yet running. */
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status = __gai_remove_request (gaicbp);
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if (status == 0)
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result = EAI_CANCELED;
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else if (status > 0)
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result = EAI_NOTCANCELED;
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else
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result = EAI_ALLDONE;
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/* Release the mutex. */
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pthread_mutex_unlock (&__gai_requests_mutex);
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return result;
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}
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