/*- * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * %sccs.include.redist.c% * * @(#)sigsetops.c 8.1 (Berkeley) 06/04/93 */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)sigsetops.c 8.1 (Berkeley) 06/04/93"; #endif /* LIBC_SCCS and not lint */ #include #undef sigemptyset #undef sigfillset #undef sigaddset #undef sigdelset #undef sigismember sigemptyset(set) sigset_t *set; { *set = 0; return (0); } sigfillset(set) sigset_t *set; { *set = ~(sigset_t)0; return (0); } sigaddset(set, signo) sigset_t *set; int signo; { *set |= sigmask(signo); return (0); } sigdelset(set, signo) sigset_t *set; int signo; { *set &= ~sigmask(signo); return (0); } sigismember(set, signo) const sigset_t *set; int signo; { return ((*set & ~sigmask(signo)) != 0); }