home *** CD-ROM | disk | FTP | other *** search
- head 1.1;
- access;
- symbols
- version39-41:1.1;
- locks;
- comment @ * @;
-
-
- 1.1
- date 92.06.08.18.31.20; author mwild; state Exp;
- branches;
- next ;
-
-
- desc
- @initial checkin
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @/*
- * Copyright (c) 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[] = "@@(#)siginterrupt.c 5.5 (Berkeley) 6/1/90";
- #endif /* LIBC_SCCS and not lint */
-
- #define KERNEL
- #include "ixemul.h"
-
- /*
- * Set signal state to prevent restart of system calls
- * after an instance of the indicated signal.
- */
- int
- siginterrupt(int sig, int flag)
- {
- struct sigaction sa;
- int ret;
-
- if ((ret = syscall (SYS_sigaction, sig, (struct sigaction *)0, &sa)) < 0)
- return (ret);
- if (flag) {
- sa.sa_flags &= ~SA_RESTART;
- } else {
- sa.sa_flags |= SA_RESTART;
- }
- return (syscall (SYS_sigaction, sig, &sa, (struct sigaction *)0));
- }
- @
-