diff options
| author | Paul Janzen <pjanzen@cvs.openbsd.org> | 2000-08-05 22:04:20 +0000 |
|---|---|---|
| committer | Paul Janzen <pjanzen@cvs.openbsd.org> | 2000-08-05 22:04:20 +0000 |
| commit | d26a6f2ceba506b047aaf1cca3a8062fc2e764d8 (patch) | |
| tree | 61a15aec8ac9b923075a9ae1e683c9d5a36267ae /lib/libc/sys | |
| parent | d2df956d3baab257d9703ab83580e0830297c427 (diff) | |
formatting, grammar, and typo correction
Diffstat (limited to 'lib/libc/sys')
| -rw-r--r-- | lib/libc/sys/sigaction.2 | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2 index 9dedc30e33e..22678515836 100644 --- a/lib/libc/sys/sigaction.2 +++ b/lib/libc/sys/sigaction.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: sigaction.2,v 1.22 2000/08/05 01:09:51 deraadt Exp $ +.\" $OpenBSD: sigaction.2,v 1.23 2000/08/05 22:04:19 pjanzen Exp $ .\" $NetBSD: sigaction.2,v 1.7 1995/10/12 15:41:16 jtc Exp $ .\" .\" Copyright (c) 1980, 1990, 1993 @@ -339,8 +339,9 @@ or Any attempt to do so will be silently ignored. .Pp The following functions are either reentrant or not interruptible -by signals and are async-signal safe. Therefore applications may -invoke them, without restriction, from signal-catching functions: +by signals and are async-signal safe. +Therefore applications may invoke them, without restriction, from +signal-catching functions: .Pp .Bd -ragged -offset indent .Xr _exit 2 , @@ -433,14 +434,15 @@ invoke them, without restriction, from signal-catching functions: .\" .Fn timer_settime . .Ed .Pp -All functions not in the above lists are considered to be unsafe -with respect to signals. That is to say, the behaviour of such -functions when called from a signal handler is undefined. +All functions not in the above list are considered to be unsafe +with respect to signals. +That is to say, the behaviour of such functions when called from a +signal handler is undefined. .Pp -As well, it is advised that signal handlers be careful to gaurd against +As well, it is advised that signal handlers guard against modification of the external symbol -.Va errno , -by the above functions, and consider saving it at entry and restoring +.Va errno +by the above functions, saving it at entry and restoring it on return, thus: .Bd -literal -offset indent void @@ -454,8 +456,8 @@ handler(sig) .Ed .Pp .Sh RETURN VALUES -A 0 value indicates that the call succeeded. A \-1 return value -indicates an error occurred and +A 0 value indicates that the call succeeded. +A \-1 return value indicates an error occurred and .Va errno is set to indicate the reason. .Sh EXAMPLE |