projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b1a3411a MK |
1 | /* |
| 2 | * Copyright (c) 1989 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 269a7923 | 5 | * %sccs.include.redist.c% |
| b1a3411a MK |
6 | */ |
| 7 | ||
| 8 | #if defined(LIBC_SCCS) && !defined(lint) | |
| 3d26fdf0 | 9 | static char sccsid[] = "@(#)sigcompat.c 5.3 (Berkeley) %G%"; |
| b1a3411a MK |
10 | #endif /* LIBC_SCCS and not lint */ |
| 11 | ||
| 12 | #include <sys/param.h> | |
| 3d26fdf0 | 13 | #include <signal.h> |
| b1a3411a MK |
14 | |
| 15 | sigvec(signo, sv, osv) | |
| 16 | int signo; | |
| 17 | struct sigvec *sv, *osv; | |
| 18 | { | |
| 19 | int ret; | |
| 20 | ||
| 21 | if (sv) | |
| 22 | sv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */ | |
| 23 | ret = sigaction(signo, (struct sigaction *)sv, (struct sigaction *)osv); | |
| 24 | if (ret == 0 && osv) | |
| 25 | osv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */ | |
| 26 | return (ret); | |
| 27 | } | |
| 28 | ||
| 29 | sigsetmask(mask) | |
| 30 | int mask; | |
| 31 | { | |
| 32 | int omask, n; | |
| 33 | ||
| 34 | n = sigprocmask(SIG_SETMASK, (sigset_t *) &mask, (sigset_t *) &omask); | |
| 35 | if (n) | |
| 36 | return (n); | |
| 37 | return (omask); | |
| 38 | } | |
| 39 | ||
| 40 | sigblock(mask) | |
| 41 | int mask; | |
| 42 | { | |
| 43 | int omask, n; | |
| 44 | ||
| 45 | n = sigprocmask(SIG_BLOCK, (sigset_t *) &mask, (sigset_t *) &omask); | |
| 46 | if (n) | |
| 47 | return (n); | |
| 48 | return (omask); | |
| 49 | } | |
| 50 | ||
| 51 | sigpause(mask) | |
| 52 | int mask; | |
| 53 | { | |
| b1a3411a MK |
54 | return (sigsuspend((sigset_t *)&mask)); |
| 55 | } |