projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 4cf51f77 MK |
1 | /*- |
| 2 | * Copyright (c) 1989 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * %sccs.include.redist.c% | |
| 6 | * | |
| c5980113 | 7 | * @(#)sigsetops.c 5.3 (Berkeley) %G% |
| 4cf51f77 MK |
8 | */ |
| 9 | ||
| 10 | #if defined(LIBC_SCCS) && !defined(lint) | |
| c5980113 | 11 | static char sccsid[] = "@(#)sigsetops.c 5.3 (Berkeley) %G%"; |
| 4cf51f77 MK |
12 | #endif /* LIBC_SCCS and not lint */ |
| 13 | ||
| 14 | #include <sys/signal.h> | |
| 15 | ||
| 16 | #undef sigemptyset | |
| 17 | #undef sigfillset | |
| 18 | #undef sigaddset | |
| 19 | #undef sigdelset | |
| 20 | #undef sigismember | |
| 21 | ||
| 22 | sigemptyset(set) | |
| 23 | sigset_t *set; | |
| 24 | { | |
| 25 | *set = 0; | |
| 2f8fed9c | 26 | return (0); |
| 4cf51f77 MK |
27 | } |
| 28 | ||
| 29 | sigfillset(set) | |
| 30 | sigset_t *set; | |
| 31 | { | |
| 32 | *set = ~(sigset_t)0; | |
| 2f8fed9c | 33 | return (0); |
| 4cf51f77 MK |
34 | } |
| 35 | ||
| 36 | sigaddset(set, signo) | |
| 37 | sigset_t *set; | |
| 38 | int signo; | |
| 39 | { | |
| 40 | *set |= sigmask(signo); | |
| 41 | return (0); | |
| 42 | } | |
| 43 | ||
| 44 | sigdelset(set, signo) | |
| 45 | sigset_t *set; | |
| 46 | int signo; | |
| 47 | { | |
| 48 | *set &= ~sigmask(signo); | |
| 49 | return (0); | |
| 50 | } | |
| 51 | ||
| 52 | sigismember(set, signo) | |
| c5980113 | 53 | const sigset_t *set; |
| 4cf51f77 MK |
54 | int signo; |
| 55 | { | |
| 56 | return ((*set & ~sigmask(signo)) != 0); | |
| 57 | } |