diff options
| author | jilles <jilles@FreeBSD.org> | 2013-09-07 11:41:52 +0000 |
|---|---|---|
| committer | jilles <jilles@FreeBSD.org> | 2013-09-07 11:41:52 +0000 |
| commit | eb5a66191bbcd3ddd0b695b32e9bd837c356027d (patch) | |
| tree | 3412f2a3b410cc065b017a0663cb5509225439e2 /lib | |
| parent | 07738e0ff2367465532d7f649ee73f2262468f6e (diff) | |
| download | FreeBSD-src-eb5a66191bbcd3ddd0b695b32e9bd837c356027d.zip FreeBSD-src-eb5a66191bbcd3ddd0b695b32e9bd837c356027d.tar.gz | |
wait(2): Add some possible caveats to standards section.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/wait.2 | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/libc/sys/wait.2 b/lib/libc/sys/wait.2 index 0c494bb..cfa78e9 100644 --- a/lib/libc/sys/wait.2 +++ b/lib/libc/sys/wait.2 @@ -28,7 +28,7 @@ .\" @(#)wait.2 8.2 (Berkeley) 4/19/94 .\" $FreeBSD$ .\" -.Dd November 10, 2012 +.Dd September 7, 2013 .Dt WAIT 2 .Os .Sh NAME @@ -604,9 +604,23 @@ are not specified by POSIX. The .Fn WCOREDUMP macro -and the ability to restart a pending -.Fn wait -call are extensions to the POSIX interface. +is an extension to the POSIX interface. +.Pp +The ability to use the +.Dv WNOWAIT +flag with +.Fn waitpid +is an extension; +.Tn POSIX +only permits this flag with +.Fn waitid . +.Pp +.Tn POSIX +requires +.Fn waitid +to return the full 32 bits passed to +.Xr _exit 2 ; +this implementation only returns 8 bits like in the other calls. .Sh HISTORY The .Fn wait |
