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Add `RETURN VALUES'' and `ERRORS'' sections since getpgid(2) can

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fail.  Also fix a minor grammar nit (it's -> its).

PR:		26520
This commit is contained in:
Dima Dorfman 2001-04-14 02:34:59 +00:00
parent d81349c6dd
commit 161897cfcb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=75502
1 changed files with 18 additions and 1 deletions
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19
lib/libc/sys/getpgrp.2
View file

@ -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