diff options
| author | Philip Guenther <guenther@cvs.openbsd.org> | 2014-09-15 05:51:25 +0000 |
|---|---|---|
| committer | Philip Guenther <guenther@cvs.openbsd.org> | 2014-09-15 05:51:25 +0000 |
| commit | 6f22817995d8345a6f7f126f7fb0ea836845780e (patch) | |
| tree | dfae8f499de2c748fe20d8ae9c21da29b363a592 /lib | |
| parent | 9b724442fbbb1a8e3bedae4cb4a8662d566e7fb1 (diff) | |
Mention that SIGTHR is both local and weird
"seems fair" schwarze@
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/sigaction.2 | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2 index e3e3655ad4a..93b9d9d5438 100644 --- a/lib/libc/sys/sigaction.2 +++ b/lib/libc/sys/sigaction.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: sigaction.2,v 1.64 2014/09/10 07:04:23 guenther Exp $ +.\" $OpenBSD: sigaction.2,v 1.65 2014/09/15 05:51:24 guenther Exp $ .\" $NetBSD: sigaction.2,v 1.7 1995/10/12 15:41:16 jtc Exp $ .\" .\" Copyright (c) 1980, 1990, 1993 @@ -30,7 +30,7 @@ .\" .\" @(#)sigaction.2 8.2 (Berkeley) 4/3/94 .\" -.Dd $Mdocdate: September 10 2014 $ +.Dd $Mdocdate: September 15 2014 $ .Dt SIGACTION 2 .Os .Sh NAME @@ -447,6 +447,16 @@ are Berkeley extensions. These signals are available on most .Bx Ns -derived systems. +The +.Dv SIGTHR +signal is specific to +.Ox +and is part of the +implementation of thread cancellation; +.Fa sigaction +and other signal interfaces may reject attempts to use or alter the +handling of +.Dv SIGTHR . .Pp The following functions are either reentrant or not interruptible by signals and are async-signal safe. |