256 lines
6.4 KiB
C
256 lines
6.4 KiB
C
/* $Id$
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Part of SWI-Prolog
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Author: Jan Wielemaker
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E-mail: jan@swi.psy.uva.nl
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WWW: http://www.swi-prolog.org
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Copyright (C): 1985-2002, University of Amsterdam
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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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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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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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#ifdef HAVE_SYS_PARAM_H /* get MAXPATHLEN */
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#include <sys/param.h>
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#endif
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/********************************
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* MEMORY MANAGEMENT *
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*********************************/
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extern void *Allocate(intptr_t);
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/********************************
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* MISCELLANEOUS *
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*********************************/
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extern char *OsError(void);
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extern bool initOs(void);
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/********************************
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* FILES *
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*********************************/
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#ifndef STREAM_OPEN_BIN_READ
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#define STREAM_OPEN_BIN_READ "rb"
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#endif
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#ifndef STREAM_OPEN_BIN_WRITE
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#define STREAM_OPEN_BIN_WRITE "wb"
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#endif
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#ifdef HAVE_POPEN
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#define PIPE 1
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#define Popen(path, m) Sopen_pipe(OsPath(path), m)
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#define Pclose(fd) pclose(fd)
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#endif
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#ifndef MAXPATHLEN
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#ifdef PATH_MAX
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#define MAXPATHLEN PATH_MAX
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#else
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#ifdef PATHSIZE
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#define MAXPATHLEN PATHSIZE
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#endif
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#endif
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#endif
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#define Fflush(fd) Sflush(fd)
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#define Fclose(fd) Sclose(fd)
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#define Open(path, how, mode) open(OsPath(path), how, mode)
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#define Read(fd, buf, size) read(fd, buf, size)
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#define Write(fd, buf, size) write(fd, buf, size)
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#define Getc(fd) Sgetc(fd)
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#define Putw(w, fd) Sputw((intptr_t)(w), fd)
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#define Getw(fd) Sgetw(fd)
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/*******************************
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* PAGE AND TABLE-SIZE *
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*******************************/
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#ifdef HAVE_SYSCONF
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#if defined(_SC_OPEN_MAX) && !defined(HAVE_GETPAGESIZE)
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#undef getdtablesize
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#define getdtablesize() sysconf(_SC_OPEN_MAX)
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#ifndef HAVE_GETDTABLESIZE
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#define HAVE_GETDTABLESIZE 1
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#endif
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#endif
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#if defined(_SC_PAGESIZE) && !defined(HAVE_GETPAGESIZE)
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#undef getpagesize
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#define getpagesize() sysconf(_SC_PAGESIZE)
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#ifndef HAVE_GETPAGESIZE
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#define HAVE_GETPAGESIZE 1
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#endif
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#endif
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#endif /*HAVE_SYSCONF*/
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#ifndef HAVE_GETDTABLESIZE
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extern int getdtablesize(void);
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#endif
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#ifndef HAVE_GETPAGESIZE
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extern int getpagesize(void);
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#endif
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/*******************************
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* FILE ACCESS *
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*******************************/
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#define ACCESS_EXIST 0
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#define ACCESS_EXECUTE 1
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#define ACCESS_READ 2
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#define ACCESS_WRITE 4
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/********************************
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* TIME CONVERSION *
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*********************************/
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typedef enum
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{ CPU_USER,
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CPU_SYSTEM
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} cputime_kind;
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extern double CpuTime(cputime_kind);
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extern double WallTime(void);
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/*******************************
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* MEMORY *
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*******************************/
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extern uintptr_t UsedMemory(void);
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extern uintptr_t FreeMemory(void);
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/********************************
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* IOSTREAM DESCR. SETS *
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********************************/
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#if !defined(FD_ZERO) && !defined(__WINDOWS__)
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#else
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#define FD_ZERO(s) { *((uintptr_t *)(s)) = (0L); }
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#define FD_SET(fd, s) { *((uintptr_t *)(s)) |= ((uintptr_t)L << (fd)); }
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#define FD_ISSET(fd, s) ( (*((uintptr_t *)(s)) & ((uintptr_t)L << (fd))) != 0 )
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#endif
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#endif
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/********************************
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* TERMINAL CONTROL *
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*********************************/
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#define TTY_COOKED 1 /* Initial mode: echo */
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#define TTY_RAW 2 /* Non-blocking, non-echo */
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#define TTY_OUTPUT 3 /* enable post-processing */
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#define TTY_SAVE 4 /* just save status */
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#ifdef HAVE_TCSETATTR
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#include <termios.h>
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#include <unistd.h>
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#define O_HAVE_TERMIO 1
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#else /*HAVE_TCSETATTR*/
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#ifdef HAVE_SYS_TERMIO_H
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#include <sys/termio.h>
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#define termios termio
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#define O_HAVE_TERMIO 1
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#else
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#ifdef HAVE_SYS_TERMIOS_H
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#include <sys/termios.h>
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#define O_HAVE_TERMIO 1
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#endif
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#endif
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#endif /*HAVE_TCSETATTR*/
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#ifdef O_HAVE_TERMIO
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typedef struct
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{ struct termios tab; /* saved tty status */
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int mode; /* Prolog;'s view on mode */
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} ttybuf;
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#else /* !O_HAVE_TERMIO */
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#ifdef HAVE_SGTTYB
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#include <sys/ioctl.h>
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typedef struct
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{ struct sgttyb tab; /* saved tty status */
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int mode; /* Prolog;'s view on mode */
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} ttybuf;
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#else
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typedef struct
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{ int mode; /* Prolog;'s view on mode */
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} ttybuf;
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#endif /*HAVE_SGTTYB*/
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#endif /*O_HAVE_TERMIO*/
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extern ttybuf ttytab; /* saved tty status */
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extern int ttymode; /* Current tty mode */
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#define IsaTty(fd) isatty(fd)
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extern bool PushTty(IOSTREAM *s, ttybuf *, int mode);
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extern bool PopTty(IOSTREAM *s, ttybuf *);
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extern void ResetTty(void);
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/********************************
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* PROCESS CONTROL *
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*********************************/
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extern int System(char *command);
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extern char *ExpandOneFile(const char *spec, char *file);
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extern char *AbsoluteFile(const char *spec, char *path);
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extern int IsAbsolutePath(const char *spec);
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extern char *ReadLink(const char *f, char *buf);
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extern char *DeRefLink(const char *link, char *buf);
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extern bool ExistsDirectory(const char *path);
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extern bool AccessFile(const char *path, int mode);
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extern bool AccessFile(const char *path, int mode);
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extern char *OsPath(const char *plpath, char *path);
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extern char *Getenv(const char *, char *buf, size_t buflen);
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extern char *BaseName(const char *f);
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extern intptr_t LastModifiedFile(char *f);
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extern int64_t SizeFile(const char *path);
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extern bool ExistsFile(const char *path);
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extern atom_t TemporaryFile(const char *id);
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extern int RemoveFile(const char *path);
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extern bool SameFile(const char *f1, const char *f2);
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extern bool RenameFile(const char *old, const char *new);
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extern bool ChDir(const char *path);
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extern bool MarkExecutable(const char *name);
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extern char *PrologPath(const char *ospath, char *path, size_t len);
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