/* * Wine porting definitions * * Copyright 1996 Alexandre Julliard * * This library 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. * * This library 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef __WINE_WINE_PORT_H #define __WINE_WINE_PORT_H #ifndef __WINE_CONFIG_H # error You must include config.h to use this header #endif #ifdef __WINE_BASETSD_H # error You must include port.h before all other headers #endif #ifndef _GNU_SOURCE # define _GNU_SOURCE /* for pread/pwrite, isfinite */ #endif #include #include #include #include #ifdef HAVE_DIRECT_H # include #endif #ifdef HAVE_IO_H # include #endif #ifdef HAVE_PROCESS_H # include #endif #include #include #ifdef HAVE_UNISTD_H # include #endif /**************************************************************** * Type definitions */ #if !defined(_MSC_VER) && !defined(__int64) # if defined(__x86_64__) || defined(__aarch64__) || defined(_WIN64) # define __int64 long # else # define __int64 long long # endif #endif #ifndef HAVE_MODE_T typedef int mode_t; #endif #ifndef HAVE_OFF_T typedef long off_t; #endif #ifndef HAVE_PID_T typedef int pid_t; #endif #ifndef HAVE_SIZE_T typedef unsigned int size_t; #endif #ifndef HAVE_SSIZE_T typedef int ssize_t; #endif #ifndef HAVE_FSBLKCNT_T typedef unsigned long fsblkcnt_t; #endif #ifndef HAVE_FSFILCNT_T typedef unsigned long fsfilcnt_t; #endif #ifndef HAVE_STRUCT_STATVFS_F_BLOCKS struct statvfs { unsigned long f_bsize; unsigned long f_frsize; fsblkcnt_t f_blocks; fsblkcnt_t f_bfree; fsblkcnt_t f_bavail; fsfilcnt_t f_files; fsfilcnt_t f_ffree; fsfilcnt_t f_favail; unsigned long f_fsid; unsigned long f_flag; unsigned long f_namemax; }; #endif /* HAVE_STRUCT_STATVFS_F_BLOCKS */ /**************************************************************** * Macro definitions */ #ifdef HAVE_DLFCN_H #include #else #define RTLD_LAZY 0x001 #define RTLD_NOW 0x002 #define RTLD_GLOBAL 0x100 #endif #ifdef HAVE_ONE_ARG_MKDIR #define mkdir(path,mode) mkdir(path) #endif #if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE) #define ftruncate chsize #endif #if !defined(HAVE_POPEN) && defined(HAVE__POPEN) #define popen _popen #endif #if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE) #define pclose _pclose #endif #if !defined(HAVE_STRDUP) && defined(HAVE__STRDUP) #define strdup _strdup #endif #if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF) #define snprintf _snprintf #endif #if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF) #define vsnprintf _vsnprintf #endif #if !defined(HAVE_STRTOLL) && defined(HAVE__STRTOI64) #define strtoll _strtoi64 #endif #if !defined(HAVE_STRTOULL) && defined(HAVE__STRTOUI64) #define strtoull _strtoui64 #endif #ifndef S_ISLNK # define S_ISLNK(mod) (0) #endif #ifndef S_ISSOCK # define S_ISSOCK(mod) (0) #endif #ifndef S_ISDIR # define S_ISDIR(mod) (((mod) & _S_IFMT) == _S_IFDIR) #endif #ifndef S_ISCHR # define S_ISCHR(mod) (((mod) & _S_IFMT) == _S_IFCHR) #endif #ifndef S_ISFIFO # define S_ISFIFO(mod) (((mod) & _S_IFMT) == _S_IFIFO) #endif #ifndef S_ISREG # define S_ISREG(mod) (((mod) & _S_IFMT) == _S_IFREG) #endif /* So we open files in 64 bit access mode on Linux */ #ifndef O_LARGEFILE # define O_LARGEFILE 0 #endif #ifndef O_NONBLOCK # define O_NONBLOCK 0 #endif #ifndef O_BINARY # define O_BINARY 0 #endif /**************************************************************** * Constants */ #ifndef M_PI #define M_PI 3.14159265358979323846 #endif #ifndef M_PI_2 #define M_PI_2 1.570796326794896619 #endif #ifndef INFINITY static inline float __port_infinity(void) { static const unsigned __inf_bytes = 0x7f800000; return *(const float *)&__inf_bytes; } #define INFINITY __port_infinity() #endif #ifndef NAN static inline float __port_nan(void) { static const unsigned __nan_bytes = 0x7fc00000; return *(const float *)&__nan_bytes; } #define NAN __port_nan() #endif /**************************************************************** * Function definitions (only when using libwine_port) */ #ifndef NO_LIBWINE_PORT #ifndef HAVE_FSTATVFS int fstatvfs( int fd, struct statvfs *buf ); #endif #ifndef HAVE_GETOPT_LONG_ONLY extern char *optarg; extern int optind; extern int opterr; extern int optopt; struct option; #ifndef HAVE_STRUCT_OPTION_NAME struct option { const char *name; int has_arg; int *flag; int val; }; #endif extern int getopt_long (int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind); extern int getopt_long_only (int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind); #endif /* HAVE_GETOPT_LONG_ONLY */ #ifndef HAVE_FFS int ffs( int x ); #endif #ifndef HAVE_ISFINITE int isfinite(double x); #endif #ifndef HAVE_ISINF int isinf(double x); #endif #ifndef HAVE_ISNAN int isnan(double x); #endif #ifndef HAVE_LLRINT __int64 llrint(double x); #endif #ifndef HAVE_LLRINTF __int64 llrintf(float x); #endif #ifndef HAVE_LRINT long lrint(double x); #endif #ifndef HAVE_LRINTF long lrintf(float x); #endif #ifndef HAVE_LSTAT int lstat(const char *file_name, struct stat *buf); #endif /* HAVE_LSTAT */ #ifndef HAVE_POLL struct pollfd { int fd; short events; short revents; }; #define POLLIN 0x01 #define POLLPRI 0x02 #define POLLOUT 0x04 #define POLLERR 0x08 #define POLLHUP 0x10 #define POLLNVAL 0x20 int poll( struct pollfd *fds, unsigned int count, int timeout ); #endif /* HAVE_POLL */ #ifndef HAVE_PREAD ssize_t pread( int fd, void *buf, size_t count, off_t offset ); #endif /* HAVE_PREAD */ #ifndef HAVE_PWRITE ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset ); #endif /* HAVE_PWRITE */ #ifndef HAVE_READLINK int readlink( const char *path, char *buf, size_t size ); #endif /* HAVE_READLINK */ #ifndef HAVE_RINT double rint(double x); #endif #ifndef HAVE_RINTF float rintf(float x); #endif #ifndef HAVE_STATVFS int statvfs( const char *path, struct statvfs *buf ); #endif #ifndef HAVE_STRNCASECMP # ifndef HAVE__STRNICMP int strncasecmp(const char *str1, const char *str2, size_t n); # else # define strncasecmp _strnicmp # endif #endif /* !defined(HAVE_STRNCASECMP) */ #ifndef HAVE_STRNLEN size_t strnlen( const char *str, size_t maxlen ); #endif /* !defined(HAVE_STRNLEN) */ #ifndef HAVE_STRCASECMP # ifndef HAVE__STRICMP int strcasecmp(const char *str1, const char *str2); # else # define strcasecmp _stricmp # endif #endif /* !defined(HAVE_STRCASECMP) */ #ifndef HAVE_SYMLINK int symlink(const char *from, const char *to); #endif #ifndef HAVE_USLEEP int usleep (unsigned int useconds); #endif /* !defined(HAVE_USLEEP) */ extern int mkstemps(char *template, int suffix_len); /* Process creation flags */ #ifndef _P_WAIT # define _P_WAIT 0 # define _P_NOWAIT 1 # define _P_OVERLAY 2 # define _P_NOWAITO 3 # define _P_DETACH 4 #endif #ifndef HAVE__SPAWNVP extern int _spawnvp(int mode, const char *cmdname, const char * const argv[]); #endif /* Interlocked functions */ #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) static inline int interlocked_cmpxchg( int *dest, int xchg, int compare ) { int ret; __asm__ __volatile__( "lock; cmpxchgl %2,(%1)" : "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" ); return ret; } static inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare ) { void *ret; #ifdef __x86_64__ __asm__ __volatile__( "lock; cmpxchgq %2,(%1)" : "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" ); #else __asm__ __volatile__( "lock; cmpxchgl %2,(%1)" : "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" ); #endif return ret; } static inline int interlocked_xchg( int *dest, int val ) { int ret; __asm__ __volatile__( "lock; xchgl %0,(%1)" : "=r" (ret) : "r" (dest), "0" (val) : "memory" ); return ret; } static inline void *interlocked_xchg_ptr( void **dest, void *val ) { void *ret; #ifdef __x86_64__ __asm__ __volatile__( "lock; xchgq %0,(%1)" : "=r" (ret) :"r" (dest), "0" (val) : "memory" ); #else __asm__ __volatile__( "lock; xchgl %0,(%1)" : "=r" (ret) : "r" (dest), "0" (val) : "memory" ); #endif return ret; } static inline int interlocked_xchg_add( int *dest, int incr ) { int ret; __asm__ __volatile__( "lock; xaddl %0,(%1)" : "=r" (ret) : "r" (dest), "0" (incr) : "memory" ); return ret; } #ifdef __x86_64__ static inline unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high, __int64 xchg_low, __int64 *compare ) { unsigned char ret; __asm__ __volatile__( "lock cmpxchg16b %0; setz %b2" : "=m" (dest[0]), "=m" (dest[1]), "=r" (ret), "=a" (compare[0]), "=d" (compare[1]) : "m" (dest[0]), "m" (dest[1]), "3" (compare[0]), "4" (compare[1]), "c" (xchg_high), "b" (xchg_low) ); return ret; } #endif #else /* __GNUC__ */ #ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 static inline int interlocked_cmpxchg( int *dest, int xchg, int compare ) { return __sync_val_compare_and_swap( dest, compare, xchg ); } static inline int interlocked_xchg_add( int *dest, int incr ) { return __sync_fetch_and_add( dest, incr ); } static inline int interlocked_xchg( int *dest, int val ) { int ret; do ret = *dest; while (!__sync_bool_compare_and_swap( dest, ret, val )); return ret; } #else extern int interlocked_cmpxchg( int *dest, int xchg, int compare ); extern int interlocked_xchg_add( int *dest, int incr ); extern int interlocked_xchg( int *dest, int val ); #endif #if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) && __SIZEOF_POINTER__ == 4) \ || (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8) && __SIZEOF_POINTER__ == 8) static inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare ) { return __sync_val_compare_and_swap( dest, compare, xchg ); } static inline void *interlocked_xchg_ptr( void **dest, void *val ) { void *ret; do ret = *dest; while (!__sync_bool_compare_and_swap( dest, ret, val )); return ret; } #else extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare ); extern void *interlocked_xchg_ptr( void **dest, void *val ); #endif #if defined(__x86_64__) || defined(__aarch64__) || defined(_WIN64) extern unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high, __int64 xchg_low, __int64 *compare ); #endif #endif /* __GNUC__ */ #ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 static inline __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare ) { return __sync_val_compare_and_swap( dest, compare, xchg ); } #else extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare ); #endif #else /* NO_LIBWINE_PORT */ #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable #define ffs __WINE_NOT_PORTABLE(ffs) #define fstatvfs __WINE_NOT_PORTABLE(fstatvfs) #define getopt_long __WINE_NOT_PORTABLE(getopt_long) #define getopt_long_only __WINE_NOT_PORTABLE(getopt_long_only) #define interlocked_cmpxchg __WINE_NOT_PORTABLE(interlocked_cmpxchg) #define interlocked_cmpxchg_ptr __WINE_NOT_PORTABLE(interlocked_cmpxchg_ptr) #define interlocked_xchg __WINE_NOT_PORTABLE(interlocked_xchg) #define interlocked_xchg_ptr __WINE_NOT_PORTABLE(interlocked_xchg_ptr) #define interlocked_xchg_add __WINE_NOT_PORTABLE(interlocked_xchg_add) #define lstat __WINE_NOT_PORTABLE(lstat) #define pread __WINE_NOT_PORTABLE(pread) #define pwrite __WINE_NOT_PORTABLE(pwrite) #define spawnvp __WINE_NOT_PORTABLE(spawnvp) #define statvfs __WINE_NOT_PORTABLE(statvfs) #define strcasecmp __WINE_NOT_PORTABLE(strcasecmp) #define strncasecmp __WINE_NOT_PORTABLE(strncasecmp) #define strnlen __WINE_NOT_PORTABLE(strnlen) #define usleep __WINE_NOT_PORTABLE(usleep) #endif /* NO_LIBWINE_PORT */ #endif /* !defined(__WINE_WINE_PORT_H) */