133 lines
2.5 KiB
C
133 lines
2.5 KiB
C
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/* RCS $Id: runargv.c,v 1.1.1.1 2000-09-22 15:33:27 hr Exp $
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--
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-- SYNOPSIS
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-- Run a sub process.
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--
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-- DESCRIPTION
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-- Use spawn to run a subprocess.
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--
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-- AUTHOR
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-- Dennis Vadura, dvadura@dmake.wticorp.com
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--
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-- WWW
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-- http://dmake.wticorp.com/
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--
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-- COPYRIGHT
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-- Copyright (c) 1996,1997 by WTI Corp. All rights reserved.
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--
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-- This program is NOT free software; you can redistribute it and/or
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-- modify it under the terms of the Software License Agreement Provided
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-- in the file <distribution-root>/readme/license.txt.
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--
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-- LOG
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-- Use cvs log to obtain detailed change logs.
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*/
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#include <process.h>
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#include <errno.h>
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#include "extern.h"
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#include "sysintf.h"
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static int _abort_flg = FALSE;
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static void _add_child ANSI((CELLPTR, int));
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static void _finished_child ANSI((int));
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PUBLIC int
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runargv(target, ignore, group, last, shell, cmd)
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CELLPTR target;
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int ignore;
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int group;
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int last;
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int shell;
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char *cmd;
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{
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#if ! defined(_MSC_VER)
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#if defined(__BORLANDC__) && __BORLANDC__ >= 0x500
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extern char ** _RTLENTRY _EXPDATA environ;
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#else
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extern char **environ;
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#endif
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#endif
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int status;
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char **argv;
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_add_child(target, ignore);
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/* return immediately for noop command */
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if (strncmp(cmd, "noop", 4) == 0 && (cmd[4] == ' ' || cmd[4] == '\0')) {
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status = 0;
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}
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else {
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argv = Pack_argv( group, shell, cmd );
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if ( strcmp(argv[0],"echo") == 0 ) {
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int i;
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int first = 1;
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int nl = 1;
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if (strcmp(argv[1],"-n") == 0) nl--;
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for (i=2-nl;argv[i]; i++) {
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if (!first) putchar(' ');
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printf("%s", argv[i]);
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}
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if (nl) printf("\n");
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fflush(stdout);
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status = 0;
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}
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else {
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status = spawnvpe(P_WAIT, *argv, argv, environ);
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}
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}
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if( status == -1 ) Error("%s: %s", argv[0], strerror(errno));
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_finished_child(status);
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if( last && !Doing_bang ) Update_time_stamp( target );
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return( 0 );
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}
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PUBLIC void
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Clean_up_processes()
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{
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_abort_flg = TRUE;
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_finished_child(-1);
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}
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PUBLIC int
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Wait_for_child( abort_flg, pid )
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int abort_flg;
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int pid;
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{
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return(1);
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}
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static int _valid = -1;
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static CELLPTR _tg;
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static int _ignore;
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static void
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_add_child( target, ignore )
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CELLPTR target;
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int ignore;
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{
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_tg = target;
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_ignore = ignore;
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_valid = 0;
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Current_target = NIL(CELL);
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}
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static void
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_finished_child(status)
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int status;
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{
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if( _valid == -1 ) return;
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Unlink_temp_files( _tg );
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_valid = -1;
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Handle_result( status, _ignore, _abort_flg, _tg );
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}
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