477 lines
12 KiB
C
477 lines
12 KiB
C
/*
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* Wine porting definitions
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*
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* Copyright 1996 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* 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 library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_WINE_PORT_H
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#define __WINE_WINE_PORT_H
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#ifndef __WINE_CONFIG_H
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# error You must include config.h to use this header
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#endif
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#ifdef __WINE_BASETSD_H
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# error You must include port.h before all other headers
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#endif
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#define _GNU_SOURCE /* for pread/pwrite */
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#include <fcntl.h>
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#include <math.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_DIRECT_H
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# include <direct.h>
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#endif
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#ifdef HAVE_IO_H
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# include <io.h>
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#endif
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#ifdef HAVE_PROCESS_H
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# include <process.h>
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#endif
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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/****************************************************************
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* Type definitions
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*/
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#if !defined(_MSC_VER) && !defined(__int64)
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# if defined(__x86_64__) || defined(_WIN64)
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# define __int64 long
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# else
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# define __int64 long long
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# endif
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#endif
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#ifndef HAVE_MODE_T
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typedef int mode_t;
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#endif
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#ifndef HAVE_OFF_T
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typedef long off_t;
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#endif
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#ifndef HAVE_PID_T
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typedef int pid_t;
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#endif
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#ifndef HAVE_SIZE_T
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typedef unsigned int size_t;
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#endif
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#ifndef HAVE_SSIZE_T
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typedef int ssize_t;
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#endif
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#ifndef HAVE_FSBLKCNT_T
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typedef unsigned long fsblkcnt_t;
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#endif
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#ifndef HAVE_FSFILCNT_T
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typedef unsigned long fsfilcnt_t;
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#endif
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#ifndef HAVE_STRUCT_STATVFS_F_BLOCKS
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struct statvfs
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{
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unsigned long f_bsize;
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unsigned long f_frsize;
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fsblkcnt_t f_blocks;
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fsblkcnt_t f_bfree;
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fsblkcnt_t f_bavail;
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fsfilcnt_t f_files;
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fsfilcnt_t f_ffree;
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fsfilcnt_t f_favail;
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unsigned long f_fsid;
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unsigned long f_flag;
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unsigned long f_namemax;
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};
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#endif /* HAVE_STRUCT_STATVFS_F_BLOCKS */
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/****************************************************************
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* Macro definitions
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*/
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#ifdef HAVE_DLFCN_H
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#include <dlfcn.h>
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#else
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#define RTLD_LAZY 0x001
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#define RTLD_NOW 0x002
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#define RTLD_GLOBAL 0x100
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#endif
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#ifdef HAVE_ONE_ARG_MKDIR
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#define mkdir(path,mode) mkdir(path)
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#endif
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#if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
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#define ftruncate chsize
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#endif
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#if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
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#define popen _popen
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#endif
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#if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
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#define pclose _pclose
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#endif
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#if !defined(HAVE_STRDUP) && defined(HAVE__STRDUP)
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#define strdup _strdup
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#endif
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#if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
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#define snprintf _snprintf
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#endif
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#if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
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#define vsnprintf _vsnprintf
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#endif
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#if !defined(HAVE_STRTOLL) && defined(HAVE__STRTOI64)
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#define strtoll _strtoi64
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#endif
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#if !defined(HAVE_STRTOULL) && defined(HAVE__STRTOUI64)
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#define strtoull _strtoui64
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#endif
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#ifndef S_ISLNK
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# define S_ISLNK(mod) (0)
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#endif
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#ifndef S_ISSOCK
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# define S_ISSOCK(mod) (0)
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#endif
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#ifndef S_ISDIR
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# define S_ISDIR(mod) (((mod) & _S_IFMT) == _S_IFDIR)
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#endif
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#ifndef S_ISCHR
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# define S_ISCHR(mod) (((mod) & _S_IFMT) == _S_IFCHR)
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#endif
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#ifndef S_ISFIFO
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# define S_ISFIFO(mod) (((mod) & _S_IFMT) == _S_IFIFO)
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#endif
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#ifndef S_ISREG
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# define S_ISREG(mod) (((mod) & _S_IFMT) == _S_IFREG)
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#endif
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/* So we open files in 64 bit access mode on Linux */
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#ifndef O_LARGEFILE
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# define O_LARGEFILE 0
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#endif
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#ifndef O_NONBLOCK
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# define O_NONBLOCK 0
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#endif
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#ifndef O_BINARY
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# define O_BINARY 0
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#endif
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/****************************************************************
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* Constants
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*/
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#ifndef M_PI_2
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#define M_PI_2 1.570796326794896619
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#endif
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/****************************************************************
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* Function definitions (only when using libwine_port)
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*/
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#ifndef NO_LIBWINE_PORT
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#ifndef HAVE_FSTATVFS
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int fstatvfs( int fd, struct statvfs *buf );
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#endif
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#ifndef HAVE_GETOPT_LONG
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extern char *optarg;
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extern int optind;
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extern int opterr;
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extern int optopt;
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struct option;
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#ifndef HAVE_STRUCT_OPTION_NAME
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struct option
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{
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const char *name;
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int has_arg;
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int *flag;
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int val;
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};
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#endif
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extern int getopt_long (int ___argc, char *const *___argv,
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const char *__shortopts,
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const struct option *__longopts, int *__longind);
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extern int getopt_long_only (int ___argc, char *const *___argv,
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const char *__shortopts,
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const struct option *__longopts, int *__longind);
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#endif /* HAVE_GETOPT_LONG */
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#ifndef HAVE_FFS
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int ffs( int x );
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#endif
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#ifndef HAVE_FUTIMES
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struct timeval;
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int futimes(int fd, const struct timeval *tv);
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#endif
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#ifndef HAVE_GETPAGESIZE
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size_t getpagesize(void);
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#endif /* HAVE_GETPAGESIZE */
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#ifndef HAVE_GETTID
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pid_t gettid(void);
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#endif /* HAVE_GETTID */
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#ifndef HAVE_ISINF
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int isinf(double x);
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#endif
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#ifndef HAVE_ISNAN
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int isnan(double x);
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#endif
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#ifndef HAVE_LSTAT
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int lstat(const char *file_name, struct stat *buf);
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#endif /* HAVE_LSTAT */
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#ifndef HAVE_MEMMOVE
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void *memmove(void *dest, const void *src, size_t len);
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#endif /* !defined(HAVE_MEMMOVE) */
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#ifndef HAVE_POLL
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struct pollfd
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{
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int fd;
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short events;
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short revents;
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};
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#define POLLIN 0x01
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#define POLLPRI 0x02
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#define POLLOUT 0x04
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#define POLLERR 0x08
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#define POLLHUP 0x10
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#define POLLNVAL 0x20
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int poll( struct pollfd *fds, unsigned int count, int timeout );
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#endif /* HAVE_POLL */
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#ifndef HAVE_PREAD
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ssize_t pread( int fd, void *buf, size_t count, off_t offset );
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#endif /* HAVE_PREAD */
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#ifndef HAVE_PWRITE
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ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
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#endif /* HAVE_PWRITE */
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#ifndef HAVE_READLINK
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int readlink( const char *path, char *buf, size_t size );
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#endif /* HAVE_READLINK */
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#ifndef HAVE_STATVFS
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int statvfs( const char *path, struct statvfs *buf );
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#endif
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#ifndef HAVE_STRNCASECMP
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# ifndef HAVE__STRNICMP
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int strncasecmp(const char *str1, const char *str2, size_t n);
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# else
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# define strncasecmp _strnicmp
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# endif
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#endif /* !defined(HAVE_STRNCASECMP) */
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#ifndef HAVE_STRERROR
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const char *strerror(int err);
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#endif /* !defined(HAVE_STRERROR) */
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#ifndef HAVE_STRCASECMP
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# ifndef HAVE__STRICMP
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int strcasecmp(const char *str1, const char *str2);
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# else
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# define strcasecmp _stricmp
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# endif
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#endif /* !defined(HAVE_STRCASECMP) */
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#ifndef HAVE_SYMLINK
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int symlink(const char *from, const char *to);
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#endif
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#ifndef HAVE_USLEEP
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int usleep (unsigned int useconds);
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#endif /* !defined(HAVE_USLEEP) */
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#ifdef __i386__
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static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
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{
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return memcpy( dst, src, size );
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}
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#else
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extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
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#endif /* __i386__ */
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extern int mkstemps(char *template, int suffix_len);
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/* Process creation flags */
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#ifndef _P_WAIT
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# define _P_WAIT 0
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# define _P_NOWAIT 1
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# define _P_OVERLAY 2
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# define _P_NOWAITO 3
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# define _P_DETACH 4
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#endif
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#ifndef HAVE_SPAWNVP
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extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
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#endif
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/* Interlocked functions */
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#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
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extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare );
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extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
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extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
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extern inline int interlocked_xchg( int *dest, int val );
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extern inline void *interlocked_xchg_ptr( void **dest, void *val );
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extern inline int interlocked_xchg_add( int *dest, int incr );
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extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare )
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{
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int ret;
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__asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
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: "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
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return ret;
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}
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extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare )
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{
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void *ret;
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#ifdef __x86_64__
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__asm__ __volatile__( "lock; cmpxchgq %2,(%1)"
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: "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
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#else
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__asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
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: "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
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#endif
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return ret;
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}
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extern inline int interlocked_xchg( int *dest, int val )
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{
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int ret;
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__asm__ __volatile__( "lock; xchgl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (val) : "memory" );
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return ret;
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}
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extern inline void *interlocked_xchg_ptr( void **dest, void *val )
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{
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void *ret;
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#ifdef __x86_64__
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__asm__ __volatile__( "lock; xchgq %0,(%1)"
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: "=r" (ret) :"r" (dest), "0" (val) : "memory" );
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#else
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__asm__ __volatile__( "lock; xchgl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (val) : "memory" );
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#endif
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return ret;
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}
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extern inline int interlocked_xchg_add( int *dest, int incr )
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{
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int ret;
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__asm__ __volatile__( "lock; xaddl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (incr) : "memory" );
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return ret;
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}
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#ifdef __x86_64__
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extern inline unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high,
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__int64 xchg_low, __int64 *compare );
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extern inline unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high,
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__int64 xchg_low, __int64 *compare )
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{
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unsigned char ret;
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__asm__ __volatile__( "lock cmpxchg16b %0; setz %b2"
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: "=m" (dest[0]), "=m" (dest[1]), "=r" (ret),
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"=a" (compare[0]), "=d" (compare[1])
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: "m" (dest[0]), "m" (dest[1]), "3" (compare[0]), "4" (compare[1]),
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"c" (xchg_high), "b" (xchg_low) );
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return ret;
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}
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#endif
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#else /* __GNUC__ */
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extern int interlocked_cmpxchg( int *dest, int xchg, int compare );
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extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
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extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
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extern int interlocked_xchg( int *dest, int val );
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extern void *interlocked_xchg_ptr( void **dest, void *val );
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extern int interlocked_xchg_add( int *dest, int incr );
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#ifdef _WIN64
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extern unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high,
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__int64 xchg_low, __int64 *compare );
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#endif
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#endif /* __GNUC__ */
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#else /* NO_LIBWINE_PORT */
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#define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
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#define ffs __WINE_NOT_PORTABLE(ffs)
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#define fstatvfs __WINE_NOT_PORTABLE(fstatvfs)
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#define futimes __WINE_NOT_PORTABLE(futimes)
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#define getopt_long __WINE_NOT_PORTABLE(getopt_long)
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#define getopt_long_only __WINE_NOT_PORTABLE(getopt_long_only)
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#define getpagesize __WINE_NOT_PORTABLE(getpagesize)
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#define interlocked_cmpxchg __WINE_NOT_PORTABLE(interlocked_cmpxchg)
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#define interlocked_cmpxchg_ptr __WINE_NOT_PORTABLE(interlocked_cmpxchg_ptr)
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#define interlocked_xchg __WINE_NOT_PORTABLE(interlocked_xchg)
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#define interlocked_xchg_ptr __WINE_NOT_PORTABLE(interlocked_xchg_ptr)
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#define interlocked_xchg_add __WINE_NOT_PORTABLE(interlocked_xchg_add)
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#define lstat __WINE_NOT_PORTABLE(lstat)
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#define memcpy_unaligned __WINE_NOT_PORTABLE(memcpy_unaligned)
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#undef memmove
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#define memmove __WINE_NOT_PORTABLE(memmove)
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#define pread __WINE_NOT_PORTABLE(pread)
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#define pwrite __WINE_NOT_PORTABLE(pwrite)
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#define spawnvp __WINE_NOT_PORTABLE(spawnvp)
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#define statvfs __WINE_NOT_PORTABLE(statvfs)
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#define strcasecmp __WINE_NOT_PORTABLE(strcasecmp)
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#define strerror __WINE_NOT_PORTABLE(strerror)
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#define strncasecmp __WINE_NOT_PORTABLE(strncasecmp)
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#define usleep __WINE_NOT_PORTABLE(usleep)
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#endif /* NO_LIBWINE_PORT */
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#endif /* !defined(__WINE_WINE_PORT_H) */
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