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| author | P. J. McDermott <pj@pehjota.net> | 2014-10-07 14:03:08 (EDT) |
|---|---|---|
| committer | P. J. McDermott <pj@pehjota.net> | 2014-10-07 14:03:08 (EDT) |
| commit | 1c05958c9c7c4d0b7d0b30c91dddae5998ca767d (patch) | |
| tree | 02c1f9438babc17cae30aadec4583c5e1a9f2149 | |
| parent | dea2e9719dbc7b855292e227696497d8a893193b (diff) | |
mutex_is_unlockable(): New function
| -rw-r--r-- | lib/mutex.sh | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/mutex.sh b/lib/mutex.sh index 5fd6b70..00333a2 100644 --- a/lib/mutex.sh +++ b/lib/mutex.sh @@ -48,3 +48,10 @@ mutex_unlock() rm "${mutex}" } + +mutex_is_unlockable() +{ + local mutex="${1}" + + [ "x$(cat "${mutex}" 2>/dev/null)" = "x${$}" ] +} |