Ultrix-3.1/src/ucb/Mail/sigretro.h

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/*
 * SCCSID: @(#)sigretro.h	3.0 4/22/86
 */

/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*
 * Define extra stuff not found in signal.h
 * Based on
 *	Sccsid @(#)sigretro.h	1.2	3/22/82	   (Berkeley)
 */

#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