diff options
| author | christos <christos@NetBSD.org> | 2016-06-03 23:57:37 +0000 |
|---|---|---|
| committer | christos <christos@NetBSD.org> | 2016-06-03 23:57:37 +0000 |
| commit | ff90af791e7b6437dbbb2fc66c1bf4502af1d232 (patch) | |
| tree | 5375181530a306b7240bc6ed10b40377b4329eed /lib/libc | |
| parent | 3a0809361d375575fdb7b6f4ffe9928d0680c070 (diff) | |
Add bsd_signal as required by POSIX (from GSoC 2016, Charles Cui)
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/gen/signal.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/lib/libc/gen/signal.c b/lib/libc/gen/signal.c index cc3cce2c5a4..67109af088c 100644 --- a/lib/libc/gen/signal.c +++ b/lib/libc/gen/signal.c @@ -1,4 +1,4 @@ -/* $NetBSD: signal.c,v 1.13 2012/06/25 22:32:44 abs Exp $ */ +/* $NetBSD: signal.c,v 1.14 2016/06/03 23:57:37 christos Exp $ */ /* * Copyright (c) 1985, 1989, 1993 @@ -34,7 +34,7 @@ #if 0 static char sccsid[] = "@(#)signal.c 8.1 (Berkeley) 6/4/93"; #else -__RCSID("$NetBSD: signal.c,v 1.13 2012/06/25 22:32:44 abs Exp $"); +__RCSID("$NetBSD: signal.c,v 1.14 2016/06/03 23:57:37 christos Exp $"); #endif #endif /* LIBC_SCCS and not lint */ @@ -64,3 +64,19 @@ signal(int s, sig_t a) return (SIG_ERR); return (osa.sa_handler); } + +void +(*bsd_signal(int sig, void (*func)(int)))(int) +{ + struct sigaction act, oact; + + act.sa_handler = func; + act.sa_flags = SA_RESTART; + + sigemptyset(&act.sa_mask); + sigaddset(&act.sa_mask, sig); + if (sigaction(sig, &act, &oact) < 0) + return (SIG_ERR); + + return (oact.sa_handler); +} |
