/* ath.c - 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.  */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <assert.h>

#ifdef HAVE_UNISTD_H

# include <unistd.h>

#endif

#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

#ifndef HAVE_W32_SYSTEM

#include <sys/wait.h>

#endif

#include "gpgme.h"

#ifdef _MSC_VER

  typedef int  pid_t;

#endif

#include "ath.h"

#ifdef HAVE_W32_SYSTEM

#include <windows.h>

uintptr_t

ath_self (void)

{

  return (uintptr_t) GetCurrentThreadId ();

}

#else

# ifdef __linux

#include <sys/syscall.h>

uintptr_t

ath_self (void)

{

  /* Just to catch users who don't use gpgme-pthread.  */

  return (uintptr_t) syscall (__NR_gettid);

}

# else

uintptr_t

ath_self (void)

{

  return (uintptr_t) getpid ();

}

# endif

#endif

gpgme_ssize_t

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

{

#if defined(HAVE_W32CE_SYSTEM) && defined(_MSC_VER)

  return -1; /* Not supported. */

#else

  return read (fd, buf, nbytes);

#endif

}

gpgme_ssize_t

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

{

#if defined(HAVE_W32CE_SYSTEM) && defined(_MSC_VER)

  return -1; /* Not supported. */

#else

  return write (fd, buf, nbytes);

#endif

}

gpgme_ssize_t

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

	    struct timeval *timeout)

{

#ifdef HAVE_W32_SYSTEM

  return -1; /* Not supported. */

#else

  return select (nfd, rset, wset, eset, timeout);

#endif

}

gpgme_ssize_t

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

{

#ifdef HAVE_W32_SYSTEM

  return -1; /* Not supported. */

#else

  return waitpid (pid, status, options);

#endif

}

int

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

{

#ifdef HAVE_W32_SYSTEM

  return -1; /* Not supported. */

#else

  return accept (s, addr, length_ptr);

#endif

}

int

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

{

#ifdef HAVE_W32_SYSTEM

  return -1; /* Not supported. */

#else

  return connect (s, addr, length);

#endif

}

int

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

{

#ifdef HAVE_W32_SYSTEM

  return -1; /* Not supported. */

#else

  return sendmsg (s, msg, flags);

#endif

}

int

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

{

#ifdef HAVE_W32_SYSTEM

  return -1; /* Not supported. */

#else

  return recvmsg (s, msg, flags);

#endif

}