unix.def

<B>Digital的Unix操作系统VAX 4.2源码</B>

(*#@(#)unix.def	4.1	Ultrix	7/17/90 *)
(* $Header: unix.def,v 1.6 84/05/27 13:03:37 powell Exp $ *)
DEFINITION MODULE unix;
FROM SYSTEM IMPORT ADDRESS, BYTE, MAXINT;
FROM IO IMPORT FILE;
EXPORT QUALIFIED
    chmod, creat, close, dup, dup2, uexit, fstat, link, lseek, open, read, sbrk,
    select, stat, umask, unlink, write,
    getpid,
    exec, execv, execve, fork, vfork, kill, wait,
    getenv, perror,
    errno, environ,
    fopen, fclose, fflush, fgetc, fputc, fseek, ungetc,
    argc, argv, File, stdin, stdout, stderr;
TYPE
    CString = ARRAY @NOCOUNT OF CHAR;
    CBuffer = ARRAY @NOCOUNT OF BYTE;
    CStringPointer = POINTER @NOCHECK TO ARRAY [0..MAXINT] OF CHAR;
    CParamPointer = POINTER @NOCHECK TO ARRAY [0..MAXINT] OF CStringPointer;
    File = FILE;
VAR
    argc : CARDINAL;
    argv : CParamPointer;

    (* shared variables with Unix *)
    @EXTERNAL errno : INTEGER;
    @EXTERNAL environ : ADDRESS;

    stdin, stdout, stderr : File;

(* UNIX I/O SYSTEM CALLS *)

PROCEDURE @EXTERNAL chmod(name : CString; mode : BITSET) : INTEGER;
PROCEDURE @EXTERNAL close(fildes : INTEGER) : INTEGER;
PROCEDURE @EXTERNAL creat(name : CString; mode : BITSET) : INTEGER;
PROCEDURE @EXTERNAL dup(fildes : INTEGER) : INTEGER;
PROCEDURE @EXTERNAL dup2(fildes1, fildes2 : INTEGER) : INTEGER;
PROCEDURE @EXTERNAL uexit(exitCode : INTEGER);
PROCEDURE @EXTERNAL fstat(fildes : INTEGER; buf : CBuffer) : INTEGER;
PROCEDURE @EXTERNAL link(name1, name2 : CString) : INTEGER;
PROCEDURE @EXTERNAL lseek(fildes : INTEGER; offset : INTEGER; whence : CARDINAL)
	: INTEGER;
PROCEDURE @EXTERNAL open(name : CString; mode : CARDINAL) : INTEGER;
PROCEDURE @EXTERNAL read(fildes : INTEGER; buffer : CBuffer; nbytes : CARDINAL):INTEGER;
PROCEDURE @EXTERNAL sbrk(incr : INTEGER) : ADDRESS;
PROCEDURE @EXTERNAL select (numfds : CARDINAL; VAR readfds, writefds, exceptfds : BITSET;
			timeout : ADDRESS) : INTEGER;
PROCEDURE @EXTERNAL stat(name : CString; buf : CBuffer) : INTEGER;
PROCEDURE @EXTERNAL umask(mask : BITSET) : INTEGER;
PROCEDURE @EXTERNAL unlink(name : CString) : INTEGER;
PROCEDURE @EXTERNAL write(fildes : INTEGER; buffer : CBuffer; nbytes : CARDINAL):INTEGER;

(* UNIX PROCESS SYSTEM CALLS *)

PROCEDURE @EXTERNAL getpid() : INTEGER;
PROCEDURE @EXTERNAL exec(name : CString; argv : ADDRESS) : INTEGER;
PROCEDURE @EXTERNAL execv(name : CString; argv : ADDRESS) : INTEGER;
PROCEDURE @EXTERNAL execve(name : CString; argv : ADDRESS; envp : ADDRESS) : INTEGER;
PROCEDURE @EXTERNAL fork() : INTEGER;
PROCEDURE @EXTERNAL vfork() : INTEGER;
PROCEDURE @EXTERNAL kill(process : INTEGER; signal : INTEGER) : INTEGER;
PROCEDURE @EXTERNAL wait(VAR status : INTEGER) : INTEGER;

(* UNIX LIBRARY ROUTINES *)

PROCEDURE @EXTERNAL getenv(name : CString) : CStringPointer;
PROCEDURE @EXTERNAL perror(msg : CString);
PROCEDURE @EXTERNAL fopen(name : CString; mode : CString) : File;
PROCEDURE @EXTERNAL fclose(file : File);
PROCEDURE @EXTERNAL fflush(file : File);
PROCEDURE @EXTERNAL fseek(file : File; offset, relative : INTEGER) : INTEGER;
PROCEDURE @EXTERNAL fgetc(file : File) : CHAR;
PROCEDURE @EXTERNAL fputc(c : CHAR; file : File);
PROCEDURE @EXTERNAL ungetc(c : CHAR; file : File);
END unix.