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Forgot to mention what getpgid(0) does.

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Peter Wemm 1997-08-19 07:04:43 +00:00
parent ff31b5e404
commit 4ff76833b4
1 changed files with 5 additions and 0 deletions
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5
lib/libc/sys/getpgrp.2
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@ -50,6 +50,11 @@ The process group of the process identified by
.Fa pid
is returned by
.Fn getpgid .
If
.Fa pid
is zero,
.Fn getpgid
returns the process group of the current process.
.Pp
Process groups are used for distribution of signals, and
by terminals to arbitrate requests for their input: processes