diff options
Diffstat (limited to 'lib')
| -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${$}" ] +} |