/* $Id$ Part of SWI-Prolog Author: Jan Wielemaker E-mail: jan@swi.psy.uva.nl WWW: http://www.swi-prolog.org Copyright (C): 1985-2002, University of Amsterdam 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #if TIME_WITH_SYS_TIME # include # include #else # if HAVE_SYS_TIME_H # include # else # include # endif #endif #ifdef HAVE_SYS_PARAM_H /* get MAXPATHLEN */ #include #endif #ifdef __MINGW32__ __stdcall unsigned long GetTickCount(void); #endif /******************************** * MEMORY MANAGEMENT * *********************************/ extern void *Allocate(intptr_t); /******************************** * MISCELLANEOUS * *********************************/ extern char *OsError(void); extern bool initOs(void); /******************************** * FILES * *********************************/ #ifndef STREAM_OPEN_BIN_READ #define STREAM_OPEN_BIN_READ "rb" #endif #ifndef STREAM_OPEN_BIN_WRITE #define STREAM_OPEN_BIN_WRITE "wb" #endif #ifdef HAVE_POPEN #define PIPE 1 #define Popen(path, m) Sopen_pipe(OsPath(path), m) #define Pclose(fd) pclose(fd) #endif #ifndef MAXPATHLEN #ifdef PATH_MAX #define MAXPATHLEN PATH_MAX #else #ifdef PATHSIZE #define MAXPATHLEN PATHSIZE #endif #endif #endif #define Fflush(fd) Sflush(fd) #define Fclose(fd) Sclose(fd) #define Open(path, how, mode) open(OsPath(path), how, mode) #define Read(fd, buf, size) read(fd, buf, size) #define Write(fd, buf, size) write(fd, buf, size) #define Getc(fd) Sgetc(fd) #define Putw(w, fd) Sputw((intptr_t)(w), fd) #define Getw(fd) Sgetw(fd) /******************************* * PAGE AND TABLE-SIZE * *******************************/ #ifdef HAVE_SYSCONF #if defined(_SC_OPEN_MAX) && !defined(HAVE_GETPAGESIZE) #undef getdtablesize #define getdtablesize() sysconf(_SC_OPEN_MAX) #ifndef HAVE_GETDTABLESIZE #define HAVE_GETDTABLESIZE 1 #endif #endif #if defined(_SC_PAGESIZE) && !defined(HAVE_GETPAGESIZE) #undef getpagesize #define getpagesize() sysconf(_SC_PAGESIZE) #ifndef HAVE_GETPAGESIZE #define HAVE_GETPAGESIZE 1 #endif #endif #endif /*HAVE_SYSCONF*/ #ifndef HAVE_GETDTABLESIZE extern int getdtablesize(void); #endif #ifndef HAVE_GETPAGESIZE extern int getpagesize(void); #endif /******************************* * FILE ACCESS * *******************************/ #define ACCESS_EXIST 0 #define ACCESS_EXECUTE 1 #define ACCESS_READ 2 #define ACCESS_WRITE 4 /******************************** * TIME CONVERSION * *********************************/ typedef enum { CPU_USER, CPU_SYSTEM } cputime_kind; extern double CpuTime(cputime_kind); extern double WallTime(void); /******************************* * MEMORY * *******************************/ extern uintptr_t UsedMemory(void); extern uintptr_t FreeMemory(void); /******************************** * IOSTREAM DESCR. SETS * ********************************/ #if !defined(FD_ZERO) && !defined(__WINDOWS__) #ifdef HAVE_SYS_SELECT_H #include #else #define FD_ZERO(s) { *((uintptr_t *)(s)) = (0L); } #define FD_SET(fd, s) { *((uintptr_t *)(s)) |= ((uintptr_t)L << (fd)); } #define FD_ISSET(fd, s) ( (*((uintptr_t *)(s)) & ((uintptr_t)L << (fd))) != 0 ) #endif #endif /******************************** * TERMINAL CONTROL * *********************************/ #define TTY_COOKED 1 /* Initial mode: echo */ #define TTY_RAW 2 /* Non-blocking, non-echo */ #define TTY_OUTPUT 3 /* enable post-processing */ #define TTY_SAVE 4 /* just save status */ #ifdef HAVE_TCSETATTR #include #include #define O_HAVE_TERMIO 1 #else /*HAVE_TCSETATTR*/ #ifdef HAVE_SYS_TERMIO_H #include #define termios termio #define O_HAVE_TERMIO 1 #else #ifdef HAVE_SYS_TERMIOS_H #include #define O_HAVE_TERMIO 1 #endif #endif #endif /*HAVE_TCSETATTR*/ #ifdef O_HAVE_TERMIO typedef struct { struct termios tab; /* saved tty status */ int mode; /* Prolog;'s view on mode */ } ttybuf; #else /* !O_HAVE_TERMIO */ #ifdef HAVE_SGTTYB #include typedef struct { struct sgttyb tab; /* saved tty status */ int mode; /* Prolog;'s view on mode */ } ttybuf; #else typedef struct { int mode; /* Prolog;'s view on mode */ } ttybuf; #endif /*HAVE_SGTTYB*/ #endif /*O_HAVE_TERMIO*/ extern ttybuf ttytab; /* saved tty status */ extern int ttymode; /* Current tty mode */ #define IsaTty(fd) isatty(fd) extern bool PushTty(IOSTREAM *s, ttybuf *, int mode); extern bool PopTty(IOSTREAM *s, ttybuf *); extern void ResetTty(void); /******************************** * PROCESS CONTROL * *********************************/ extern int System(char *command); extern char *ExpandOneFile(const char *spec, char *file); extern char *AbsoluteFile(const char *spec, char *path); extern int IsAbsolutePath(const char *spec); extern char *DeRefLink(const char *link, char *buf); extern bool ExistsDirectory(const char *path); extern bool AccessFile(const char *path, int mode); extern bool AccessFile(const char *path, int mode); extern char *OsPath(const char *plpath, char *path); extern char *Getenv(const char *, char *buf, size_t buflen); extern char *BaseName(const char *f); extern time_t LastModifiedFile(const char *f); extern bool ExistsFile(const char *path); extern atom_t TemporaryFile(const char *id); extern int RemoveFile(const char *path); extern bool ChDir(const char *path); extern char *PrologPath(const char *ospath, char *path, size_t len);