[unix-history] / usr / src / usr.bin / mail / sigretro.h

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of California at Berkeley. The name of the University
 * may not be used to endorse or promote products derived from this
 * software without specific prior written permission. This software
 * is provided ``as is'' without express or implied warranty.
 *
 *	@(#)sigretro.h	5.2 (Berkeley) %G%
 */

/*
 * Define extra stuff not found in signal.h
 */

#ifndef SIGRETRO

#define	SIGRETRO				/* Can use this for cond code */

#ifndef SIG_HOLD

#define	SIG_HOLD	(int (*)()) 3		/* Phony action to hold sig */
#define	BADSIG		(int (*)()) -1		/* Return value on error */

#endif SIG_HOLD

#endif SIGRETRO
Commit	Line	Data
761330fe DF	1	/*
761330fe DF	2	* Copyright (c) 1980 Regents of the University of California.
0c5f72fb	3	* All rights reserved.
761330fe	4	*
0c5f72fb KB	5	* Redistribution and use in source and binary forms are permitted
	6	* provided that this notice is preserved and that due credit is given
	7	* to the University of California at Berkeley. The name of the University
	8	* may not be used to endorse or promote products derived from this
	9	* software without specific prior written permission. This software
	10	* is provided ``as is'' without express or implied warranty.
	11	*
	12	* @(#)sigretro.h 5.2 (Berkeley) %G%
761330fe	13	*/
e6340023 SL	14
	15	/*
	16	* Define extra stuff not found in signal.h
	17	*/
	18
	19	#ifndef SIGRETRO
	20
	21	#define SIGRETRO /* Can use this for cond code */
	22
	23	#ifndef SIG_HOLD
	24
	25	#define SIG_HOLD (int ()()) 3 / Phony action to hold sig */
	26	#define BADSIG (int ()()) -1 / Return value on error */
	27
	28	#endif SIG_HOLD
	29
	30	#endif SIGRETRO