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| author |   guenther <guenther@openbsd.org> | 2015-10-11 09:51:26 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2015-10-11 09:51:26 +0000 |
| commit | 93024534bb8508f1ab1cee1f3713f250b46dae6e (patch) | |
| tree | 189519d38f46336fff0155fec8adb800e8fd750c /lib/libc/gen/signal.3 | |
| parent | Prefer .Fa over .Em for struct members (diff) | |
| download | wireguard-openbsd-93024534bb8508f1ab1cee1f3713f250b46dae6e.tar.xz wireguard-openbsd-93024534bb8508f1ab1cee1f3713f250b46dae6e.zip | |
Document that execve(2) resets SIGCHLD to SIG_DFL
wordsmithing and ok jmc@
Diffstat (limited to 'lib/libc/gen/signal.3')
| -rw-r--r-- | lib/libc/gen/signal.3 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/libc/gen/signal.3 b/lib/libc/gen/signal.3 index 0dc8dce14d8..a91f37692f5 100644 --- a/lib/libc/gen/signal.3 +++ b/lib/libc/gen/signal.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: signal.3,v 1.53 2015/05/12 02:44:06 guenther Exp $ +.\" $OpenBSD: signal.3,v 1.54 2015/10/11 09:51:26 guenther Exp $ .\" .\" Copyright (c) 1980, 1991, 1993 .\" The Regents of the University of California. All rights reserved. @@ -27,7 +27,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd $Mdocdate: May 12 2015 $ +.Dd $Mdocdate: October 11 2015 $ .Dt SIGNAL 3 .Os .Sh NAME @@ -228,10 +228,13 @@ a specific signal. .Pp When a process which has installed signal handlers forks, the child process inherits the signals. -All caught signals may be reset to their default action by a call +All caught signals, as well as +.Dv SIGCHLD , +are reset to their default action by a call to the .Xr execve 2 function; +other ignored signals remain ignored. .Pp The following functions are either reentrant or not interruptible |