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docs: add exit values to watch.1

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Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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Sami Kerola 2012-01-21 16:41:31 +01:00
parent ae08eb8af6
commit 624773957f
1 changed files with 33 additions and 0 deletions
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watch.1
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@ -140,6 +140,39 @@ as it can to catch up from a previous executions running longer than
(for example,
.B netstat
taking ages on a DNS lookup).
.SH "EXIT STATUS"
.PP
.RS
.PD 0
.TP
.B 0
Success.
.TP
.B 1
Various failures.
.TP
.B 2
Forking the process to watch failed.
.TP
.B 3
Replacing child process stdout with write side pipe failed.
.TP
.B 4
Command execution failed.
.TP
.B 5
Closign child process write pipe failed.
.TP
.B 7
IPC pipe creation failed.
.TP
.B 8
Getting child process return value with
.BR waitpid (2)
failed, or command exited up on error.
.TP
.B other
The watch will propagate command exit status as child exit status.
.SH AUTHORS
The original
.B watch