head	1.1;
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	version39-45:1.1
	version39-41:1.1;
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comment	@ * @;


1.1
date	92.06.08.18.31.20;	author mwild;	state Exp;
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desc
@initial checkin
@


1.1
log
@Initial revision
@
text
@/*
 * Copyright (c) 1985, 1989 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@@(#)signal.c	5.5 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */

/*
 * Almost backwards compatible signal.
 */
#define KERNEL
#include "ixemul.h"

sig_t
signal(int s, sig_t a)
{
	struct sigaction sa, osa;

	sa.sa_handler = a;
	sigemptyset(&sa.sa_mask);
	sa.sa_flags = 0;
	sa.sa_flags |= SA_RESTART;
	if (syscall (SYS_sigaction, s, &sa, &osa) < 0)
		return (BADSIG);
	return (osa.sa_handler);
}
@