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yap-6.3/packages/PLStream/pl-os.h
U-WIN-U2045GN0RNQ\Vítor Santos Costa 840e287cda mode changes
2011-07-25 17:09:28 +01:00

133 lines
3.3 KiB
C

/* $Id$
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
*/
#ifdef HAVE_SYS_PARAM_H /* get MAXPATHLEN */
#include <sys/param.h>
#endif
/********************************
* 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
COMMON(char*) canoniseFileName(char *path);
/********************************
* 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 <sys/select.h>
#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 */
typedef struct
{ void *state; /* Saved state */
int mode; /* Prolog;'s view on mode */
} ttybuf;
extern ttybuf ttytab; /* saved tty status */
extern int ttymode; /* Current tty mode */
#define IsaTty(fd) isatty(fd)
extern bool PushTty(IOSTREAM *s, ttybuf *buf, int mode);
extern bool PopTty(IOSTREAM *s, ttybuf *buf, int do_free);
extern void ResetTty(void);
/********************************
* PROCESS CONTROL *
*********************************/
extern int System(char *command);