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/* 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
#ifdef _MSC_VER
typedef long ssize_t;
typedef int pid_t;
#endif
#include "ath.h"
#define MUTEX_UNLOCKED ((ath_mutex_t) 0)
#define MUTEX_LOCKED ((ath_mutex_t) 1)
#define MUTEX_DESTROYED ((ath_mutex_t) 2)
#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
int
ath_mutex_init (ath_mutex_t *lock)
{
#ifndef NDEBUG
*lock = MUTEX_UNLOCKED;
#endif
return 0;
}
int
ath_mutex_destroy (ath_mutex_t *lock)
{
#ifndef NDEBUG
assert (*lock == MUTEX_UNLOCKED);
*lock = MUTEX_DESTROYED;
#endif
return 0;
}
int
ath_mutex_lock (ath_mutex_t *lock)
{
#ifndef NDEBUG
assert (*lock == MUTEX_UNLOCKED);
*lock = MUTEX_LOCKED;
#endif
return 0;
}
int
ath_mutex_unlock (ath_mutex_t *lock)
{
#ifndef NDEBUG
assert (*lock == MUTEX_LOCKED);
*lock = MUTEX_UNLOCKED;
#endif
return 0;
}
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
}
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
}
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
}
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
}

File Metadata

Mime Type
text/x-c
Expires
Tue, Jan 20, 11:16 PM (14 h, 32 m)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
de/74/e4894cb52335ff96319b949fa1db

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