| /* |
| * 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 <fcntl.h> |
| #include <math.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #ifdef HAVE_DIRECT_H |
| # include <direct.h> |
| #endif |
| #ifdef HAVE_IO_H |
| # include <io.h> |
| #endif |
| #ifdef HAVE_PROCESS_H |
| # include <process.h> |
| #endif |
| #include <string.h> |
| #include <stdlib.h> |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #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 <dlfcn.h> |
| #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_LSTAT |
| int lstat(const char *file_name, struct stat *buf); |
| #endif /* HAVE_LSTAT */ |
| |
| #ifndef HAVE_MEMMOVE |
| void *memmove(void *dest, const void *src, size_t len); |
| #endif /* !defined(HAVE_MEMMOVE) */ |
| |
| #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_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_STRERROR |
| const char *strerror(int err); |
| #endif /* !defined(HAVE_STRERROR) */ |
| |
| #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) */ |
| |
| #ifdef __i386__ |
| static inline void *memcpy_unaligned( void *dst, const void *src, size_t size ) |
| { |
| return memcpy( dst, src, size ); |
| } |
| #else |
| extern void *memcpy_unaligned( void *dst, const void *src, size_t size ); |
| #endif /* __i386__ */ |
| |
| 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 memcpy_unaligned __WINE_NOT_PORTABLE(memcpy_unaligned) |
| #undef memmove |
| #define memmove __WINE_NOT_PORTABLE(memmove) |
| #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 strerror __WINE_NOT_PORTABLE(strerror) |
| #define strncasecmp __WINE_NOT_PORTABLE(strncasecmp) |
| #define usleep __WINE_NOT_PORTABLE(usleep) |
| |
| #endif /* NO_LIBWINE_PORT */ |
| |
| #endif /* !defined(__WINE_WINE_PORT_H) */ |