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Implement -o for flock(1) to close fd before exec

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sin
2015-10-08 16:43:09 +01:00
parent 09c3caa56d
commit 7b9988c7ff
2 changed files with 11 additions and 3 deletions
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5
flock.1
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@@ -6,7 +6,7 @@
.Nd tool to manage locks on files
.Sh SYNOPSIS
.Nm
.Op Fl nsux
.Op Fl nosux
.Ar file
.Ar cmd Op arg ...
.Sh DESCRIPTION
@@ -20,6 +20,9 @@ does not exist, it will be created.
.It Fl n
Set non-blocking mode on the lock. Fail immediately if the lock
cannot be acquired.
.It Fl o
Close the file descriptor before exec to avoid having the exec'ed
program holding on to the lock.
.It Fl s
Acquire a shared lock.
.It Fl u