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author | dd <dd@FreeBSD.org> | 2001-04-14 02:34:59 +0000 |
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committer | dd <dd@FreeBSD.org> | 2001-04-14 02:34:59 +0000 |
commit | efb187afd627d04e95f8e2655dd3b31213823097 (patch) | |
tree | 264803e8629b1b43eaab5a948c549d5e778fac0f /lib/libc/sys/getpgrp.2 | |
parent | 84a105c2dab73ef132af9bb715f90ba6b0c51b20 (diff) | |
download | FreeBSD-src-efb187afd627d04e95f8e2655dd3b31213823097.zip FreeBSD-src-efb187afd627d04e95f8e2655dd3b31213823097.tar.gz |
Add ``RETURN VALUES'' and ``ERRORS'' sections since getpgid(2) can
fail. Also fix a minor grammar nit (it's -> its).
PR: 26520
Diffstat (limited to 'lib/libc/sys/getpgrp.2')
-rw-r--r-- | lib/libc/sys/getpgrp.2 | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/lib/libc/sys/getpgrp.2 b/lib/libc/sys/getpgrp.2 index 8e56708..11b0063 100644 --- a/lib/libc/sys/getpgrp.2 +++ b/lib/libc/sys/getpgrp.2 @@ -76,6 +76,23 @@ and .Fn tcsetpgrp calls are used to get/set the process group of the control terminal. +.Sh RETURN VALUES +The +.Fn getpgrp +call always succeeds. +Upon successful completion, the +.Fn getpgid +call returns the process group of the specified process; +otherwise, it returns a value of \-1 and sets +.Va errno +to indicate the error. +.Sh ERRORS +.Fn getpgid +will succeed unless: +.Bl -tag -width Er +.It Bq Er ESRCH +there is no process whose process ID equals fo +.Fa pid .Sh SEE ALSO .Xr getsid 2 , .Xr setpgid 2 , @@ -87,7 +104,7 @@ function call appeared in .Bx 4.0 . The .Fn getpgid -function call is derived from it's usage in System V Release 4. +function call is derived from its usage in System V Release 4. .Sh STANDARDS The .Fn getpgrp |