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/* $RCSfile: quit.c,v $
-- $Revision: 1.8 $
-- last change: $Author: kz $ $Date: 2008-03-05 18:29:56 $
--
-- SYNOPSIS
-- End the dmake session.
--
-- DESCRIPTION
-- Handles dmake termination.
--
-- AUTHOR
-- Dennis Vadura, dvadura@dmake.wticorp.com
--
-- WWW
-- http://dmake.wticorp.com/
--
-- COPYRIGHT
-- Copyright (c) 1996,1997 by WTI Corp. All rights reserved.
--
-- This program is NOT free software; you can redistribute it and/or
-- modify it under the terms of the Software License Agreement Provided
-- in the file <distribution-root>/readme/license.txt.
--
-- LOG
-- Use cvs log to obtain detailed change logs.
*/
#include "extern.h"
static void _handle_quit ANSI((char*));
static int _quitting = 0; /* Set to 1 once Quit() is called for the
* first time. */
PUBLIC void
Quit( sig )/*
======== Error or quit */
int sig;
{
if( sig == SIGINT )
fprintf(stderr, "Caught SIGINT. Trying to quit ...\n");
else
#ifdef SIGQUIT
/* MinGW, maybe others also, does not have SIGQUIT. */
if( sig == SIGQUIT )
fprintf(stderr, "Caught SIGQUIT. Trying to quit ...\n");
else
#endif
if( sig == 0 )
/* Don't be verbose during regular program termination. */
;
else
fprintf(stderr, "Caught signal %d. Trying to quit ...\n", sig);
if( _quitting ) return; /* Guard to only quit once. */
_quitting = 1;
while( Closefile() != NIL( FILE ) );
/* CTRL-c sends SIGINT and CTRL-\ sends SIGQUIT to the parent and to all
* children. No need to kill them. */
if( sig != SIGINT
#ifdef SIGQUIT
/* MinGW, maybe others also, does not have SIGQUIT. */
&& sig != SIGQUIT
#endif
)
/* This should be called Kill_all_processes(). */
Clean_up_processes();
/* Wait until all Processes are done. */
while( Wait_for_child(TRUE, -1) != -1 )
;
if( Current_target != NIL(CELL) )
Unlink_temp_files(Current_target);
if( _quitting == 0 ) _handle_quit( ".ERROR" );
Set_dir( Makedir ); /* No Error message if we can't do it */
Epilog( ERROR_EXIT_VALUE );
}
PUBLIC const int
in_quit( void )/*
=================
Called to check if we are already quitting.
(Only used in unix/runargv.c.) */
{
return _quitting;
}
static void
_handle_quit( err_target )/*
============================
Called by Quit() to handle the execution of termination code
from within make */
char *err_target;
{
HASHPTR hp;
CELLPTR cp;
if( (hp = Get_name(err_target, Defs, FALSE)) != NIL(HASH) ) {
cp = hp->CP_OWNR;
Glob_attr |= A_IGNORE;
cp->ce_flag |= F_TARGET;
Make( cp, NIL(CELL) );
/* Beware! If the ".ERROR" target doesn't finish the following
* wait will never return!!! */
while( Wait_for_child(FALSE, -1) != -1 );
}
}
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