diff options
Diffstat (limited to 'src/mutex.sh')
| -rw-r--r-- | src/mutex.sh | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mutex.sh b/src/mutex.sh index cd4a365..ab9824c 100644 --- a/src/mutex.sh +++ b/src/mutex.sh @@ -23,6 +23,8 @@ mutex_trylock() local mutex="${1}" (set -C; printf '%d\n' "${$}" >"${mutex}") 2>/dev/null + + return ${?} } mutex_timedlock() @@ -51,4 +53,6 @@ mutex_is_unlockable() local mutex="${1}" [ "x$(cat "${mutex}" 2>/dev/null)" = "x${$}" ] + + return ${?} } |