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/* ath.h - Interfaces for thread-safeness library.
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Copyright (C) 2002, 2003, 2004 g10 Code GmbH
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This file is part of GPGME.
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GPGME is free software; you can redistribute it and/or modify it
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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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GPGME is distributed in the hope that it will be useful, but
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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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifndef ATH_H
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#define ATH_H
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#ifdef HAVE_W32_SYSTEM
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/* fixme: Check how we did it in libgcrypt. */
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struct msghdr { int dummy; };
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typedef int socklen_t;
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# include <windows.h>
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# include <io.h>
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#else /*!HAVE_W32_SYSTEM*/
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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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# include <sys/socket.h>
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#endif /*!HAVE_W32_SYSTEM*/
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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 _gpgme_
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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_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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#define ath_read _ATH_PREFIX(ath_read)
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#define ath_write _ATH_PREFIX(ath_write)
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#define ath_select _ATH_PREFIX(ath_select)
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#define ath_waitpid _ATH_PREFIX(ath_waitpid)
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#define ath_connect _ATH_PREFIX(ath_connect)
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#define ath_accept _ATH_PREFIX(ath_accept)
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#define ath_sendmsg _ATH_PREFIX(ath_sendmsg)
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#define ath_recvmsg _ATH_PREFIX(ath_recvmsg)
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#endif
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typedef void *ath_mutex_t;
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#define ATH_MUTEX_INITIALIZER 0;
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/* Functions for mutual exclusion. */
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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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/* Replacement for the POSIX functions, which can be used to allow
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other (user-level) threads to run. */
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ssize_t ath_read (int fd, void *buf, size_t nbytes);
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ssize_t ath_write (int fd, const void *buf, size_t nbytes);
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ssize_t ath_select (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,
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struct timeval *timeout);
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ssize_t ath_waitpid (pid_t pid, int *status, int options);
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int ath_accept (int s, struct sockaddr *addr, socklen_t *length_ptr);
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int ath_connect (int s, const struct sockaddr *addr, socklen_t length);
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int ath_sendmsg (int s, const struct msghdr *msg, int flags);
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int ath_recvmsg (int s, struct msghdr *msg, int flags);
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#endif /* ATH_H */
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