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- extra juice for debugging signal passing.  Note when we can't pass the
signal because the process already bought it (pgroups will do that to you)
(lots of discussion with Todd on that one)
- tweak error handling some more to make it less verbose when just one job
is running...
- show signal name in case of signal interrupts.
- zap OP_LIB, move that stuff to the location where we warn when we meet
that bug.

okay millert@

#ifndef DEFINES_H
#define DEFINES_H

/*	$OpenBSD: defines.h,v 1.12 2012/10/06 09:32:40 espie Exp $ */

/*
 * Copyright (c) 2001 Marc Espie.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
 * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAS_STDBOOL_H
# include <stdbool.h>
#else
typedef int bool;
# define false 0
# define true 1
#endif

/* define common types in an opaque way */
struct GNode_;
typedef struct GNode_ GNode;

struct Location_;
typedef struct Location_ Location;

struct List_;
typedef struct List_ *Lst;

struct SymTable_;
typedef struct SymTable_ SymTable;

struct Buffer_;
typedef struct Buffer_ *Buffer;

struct Name;

struct ListNode_;
typedef struct ListNode_ *LstNode;

struct Job_;
typedef struct Job_ Job;

/* some useful defines for gcc */

#ifdef __GNUC__
# define UNUSED	__attribute__((__unused__))
# define HAS_INLINES
# define INLINE  __inline__
#else
# define UNUSED
#endif

#ifdef HAS_INLINES
# ifndef INLINE
#  define INLINE	inline
# endif
#endif

/*
 * debug control:
 *	There is one bit per module.  It is up to the module what debug
 *	information to print.
 */
extern int debug;
#define DEBUG_ARCH	0x0001
#define DEBUG_COND	0x0002
#define DEBUG_DIR	0x0004
#define DEBUG_GRAPH1	0x0008
#define DEBUG_GRAPH2	0x0010
#define DEBUG_JOB	0x0020
#define DEBUG_MAKE	0x0040
#define DEBUG_SUFF	0x0080
#define DEBUG_TARG	0x0100
#define DEBUG_VAR	0x0200
#define DEBUG_FOR	0x0400
#define DEBUG_LOUD	0x0800
#define DEBUG_PARALLEL	0x1000
#define DEBUG_NAME_MATCHING	0x2000
#define DEBUG_QUICKDEATH	0x4000
#define DEBUG_EXPENSIVE		0x8000
#define DEBUG_KILL		0x10000

#define CONCAT(a,b)	a##b

#define DEBUG(module)	(debug & CONCAT(DEBUG_,module))

#endif