/* ath.h - Interfaces for thread-safeness library.

   Copyright (C) 2002, 2003, 2004 g10 Code GmbH

   This file is part of GPGME.

   GPGME is free software; you can redistribute it and/or modify it

   under the terms of the GNU Lesser General Public License as

   published by the Free Software Foundation; either version 2.1 of

   the License, or (at your option) any later version.

   GPGME 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with this program; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA

   02111-1307, USA.  */

#ifndef ATH_H

#define ATH_H

#ifdef HAVE_STDINT_H

#include <stdint.h>

#endif

#ifdef HAVE_W32_SYSTEM

  /* fixme: Check how we did it in libgcrypt.  */

  struct msghdr { int dummy; };

  typedef int socklen_t;

# include <windows.h>

# include <io.h>

#else /*!HAVE_W32_SYSTEM*/

# ifdef HAVE_SYS_SELECT_H

#  include <sys/select.h>

# else

#  ifdef HAVE_SYS_TIME_H

#   include <sys/time.h>

#  endif

# endif

# ifdef HAVE_SYS_TYPES_H

#  include <sys/types.h>

# endif

# include <sys/socket.h>

#endif  /*!HAVE_W32_SYSTEM*/

/* Define _ATH_EXT_SYM_PREFIX if you want to give all external symbols

   a prefix.  */

#define _ATH_EXT_SYM_PREFIX _gpgme_

#ifdef _ATH_EXT_SYM_PREFIX

#define _ATH_PREFIX1(x,y) x ## y

#define _ATH_PREFIX2(x,y) _ATH_PREFIX1(x,y)

#define _ATH_PREFIX(x) _ATH_PREFIX2(_ATH_EXT_SYM_PREFIX,x)

#define ath_read _ATH_PREFIX(ath_read)

#define ath_write _ATH_PREFIX(ath_write)

#define ath_select _ATH_PREFIX(ath_select)

#define ath_waitpid _ATH_PREFIX(ath_waitpid)

#define ath_connect _ATH_PREFIX(ath_connect)

#define ath_accept _ATH_PREFIX(ath_accept)

#define ath_sendmsg _ATH_PREFIX(ath_sendmsg)

#define ath_recvmsg _ATH_PREFIX(ath_recvmsg)

#endif

uintptr_t ath_self (void);

/* Replacement for the POSIX functions, which can be used to allow

   other (user-level) threads to run.  */

gpgme_ssize_t ath_read (int fd, void *buf, size_t nbytes);

gpgme_ssize_t ath_write (int fd, const void *buf, size_t nbytes);

gpgme_ssize_t ath_select (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,

                           struct timeval *timeout);

gpgme_ssize_t ath_waitpid (pid_t pid, int *status, int options);

int ath_accept (int s, struct sockaddr *addr, socklen_t *length_ptr);

int ath_connect (int s, const struct sockaddr *addr, socklen_t length);

int ath_sendmsg (int s, const struct msghdr *msg, int flags);

int ath_recvmsg (int s, struct msghdr *msg, int flags);

#endif	/* ATH_H */