93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
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/* ath.h - Thread-safeness library.
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* Copyright (C) 2002, 2003, 2004, 2011 Free Software Foundation, Inc.
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*
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* This file is part of Libgcrypt.
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*
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* Libgcrypt is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser general Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* Libgcrypt 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
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ATH_H
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#define ATH_H
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#include <config.h>
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#ifdef _WIN32
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# include <windows.h>
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#else /* !_WIN32 */
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# ifdef HAVE_SYS_SELECT_H
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# include <sys/select.h>
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# else
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# include <sys/time.h>
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# endif
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# include <sys/types.h>
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# ifdef HAVE_SYS_MSG_H
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# include <sys/msg.h> /* (e.g. for zOS) */
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# endif
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# include <sys/socket.h>
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#endif /* !_WIN32 */
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#include <gpg-error.h>
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/* Define _ATH_EXT_SYM_PREFIX if you want to give all external symbols
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a prefix. */
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#define _ATH_EXT_SYM_PREFIX _gcry_
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#ifdef _ATH_EXT_SYM_PREFIX
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#define _ATH_PREFIX1(x,y) x ## y
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#define _ATH_PREFIX2(x,y) _ATH_PREFIX1(x,y)
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#define _ATH_PREFIX(x) _ATH_PREFIX2(_ATH_EXT_SYM_PREFIX,x)
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#define ath_install _ATH_PREFIX(ath_install)
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#define ath_init _ATH_PREFIX(ath_init)
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#define ath_get_model _ATH_PREFIX(ath_get_model)
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#define ath_mutex_init _ATH_PREFIX(ath_mutex_init)
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#define ath_mutex_destroy _ATH_PREFIX(ath_mutex_destroy)
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#define ath_mutex_lock _ATH_PREFIX(ath_mutex_lock)
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#define ath_mutex_unlock _ATH_PREFIX(ath_mutex_unlock)
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#endif
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enum ath_thread_option
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{
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ATH_THREAD_OPTION_DEFAULT = 0,
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ATH_THREAD_OPTION_USER = 1,
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ATH_THREAD_OPTION_PTH = 2,
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ATH_THREAD_OPTION_PTHREAD = 3
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};
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struct ath_ops
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{
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/* The OPTION field encodes the thread model and the version number
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of this structure.
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Bits 7 - 0 are used for the thread model
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Bits 15 - 8 are used for the version number.
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*/
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unsigned int option;
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};
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gpg_err_code_t ath_install (struct ath_ops *ath_ops);
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int ath_init (void);
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const char *ath_get_model (int *r_model);
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/* Functions for mutual exclusion. */
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typedef void *ath_mutex_t;
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int ath_mutex_init (ath_mutex_t *mutex);
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int ath_mutex_destroy (ath_mutex_t *mutex);
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int ath_mutex_lock (ath_mutex_t *mutex);
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int ath_mutex_unlock (ath_mutex_t *mutex);
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#endif /* ATH_H */
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