106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/* $RCSfile: quit.c,v $
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-- $Revision: 1.6 $
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-- last change: $Author: vg $ $Date: 2007-01-18 09:32:09 $
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--
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-- SYNOPSIS
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-- End the dmake session.
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--
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-- DESCRIPTION
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-- Handles dmake termination.
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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 "extern.h"
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static void _handle_quit ANSI((char*));
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static int _quitting = 0; /* Set to 1 once Quit() is called for the
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* first time. */
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PUBLIC void
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Quit( sig )/*
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======== Error or quit */
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int sig;
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{
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if( sig == SIGINT )
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fprintf(stderr, "Caught SIGINT. Trying to quit ...\n");
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else if( sig == SIGQUIT )
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fprintf(stderr, "Caught SIGQUIT. Trying to quit ...\n");
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else if( sig == 0 )
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/* Don't be verbose during regular program termination. */
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;
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else
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fprintf(stderr, "Caught signal %d. Trying to quit ...\n", sig);
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if( _quitting ) return; /* Guard to only quit once. */
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while( Closefile() != NIL( FILE ) );
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/* CTRL-c sends SIGINT and CTRL-\ sends SIGQUIT to the parent and to all
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* children. No need to kill them. */
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if( sig != SIGINT && sig != SIGQUIT )
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/* This should be called Kill_all_processes(). */
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Clean_up_processes();
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/* Wait until all Processes are done. */
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while( Wait_for_child(TRUE, -1) != -1 )
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;
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if( Current_target != NIL(CELL) )
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Unlink_temp_files(Current_target);
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if( _quitting == 0 ) _handle_quit( ".ERROR" );
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Set_dir( Makedir ); /* No Error message if we can't do it */
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Epilog( ERROR_EXIT_VALUE );
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}
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PUBLIC const int
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in_quit( void )/*
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=================
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Called to check if we are already quitting.
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(Only used in unix/runargv.c.) */
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{
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return _quitting;
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}
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static void
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_handle_quit( err_target )/*
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============================
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Called by Quit() to handle the execution of termination code
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from within make */
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char *err_target;
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{
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HASHPTR hp;
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CELLPTR cp;
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if( (hp = Get_name(err_target, Defs, FALSE)) != NIL(HASH) ) {
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cp = hp->CP_OWNR;
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Glob_attr |= A_IGNORE;
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_quitting = 1;
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cp->ce_flag |= F_TARGET;
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Make( cp, NIL(CELL) );
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/* Beware! If the ".ERROR" target doesn't finish the following
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* wait will never return!!! */
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while( Wait_for_child(FALSE, -1) != -1 );
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}
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}
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