6937d41a02
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23815 ec53bebd-3082-4978-b11e-865c3cabbd6b
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* Copyright (c) 1997 - 2001, 2003, 2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "krb5/gsskrb5_locl.h"
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RCSID("$Id$");
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static HEIMDAL_MUTEX context_mutex = HEIMDAL_MUTEX_INITIALIZER;
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static int created_key;
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static HEIMDAL_thread_key context_key;
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static void
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destroy_context(void *ptr)
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{
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krb5_context context = ptr;
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if (context == NULL)
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return;
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krb5_free_context(context);
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}
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krb5_error_code
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_gsskrb5_init (krb5_context *context)
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{
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krb5_error_code ret = 0;
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HEIMDAL_MUTEX_lock(&context_mutex);
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if (!created_key) {
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HEIMDAL_key_create(&context_key, destroy_context, ret);
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if (ret) {
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HEIMDAL_MUTEX_unlock(&context_mutex);
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return ret;
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}
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created_key = 1;
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}
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HEIMDAL_MUTEX_unlock(&context_mutex);
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*context = HEIMDAL_getspecific(context_key);
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if (*context == NULL) {
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ret = krb5_init_context(context);
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if (ret == 0) {
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HEIMDAL_setspecific(context_key, *context, ret);
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if (ret) {
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krb5_free_context(*context);
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*context = NULL;
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}
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}
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}
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return ret;
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}
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