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 dc23070..ec51a2b 100644 --- a/src/mutex.sh +++ b/src/mutex.sh @@ -21,6 +21,7 @@ _mutex_trylock() { local mutex="${1}" + shift 1 (set -C; printf '%d\n' "${$}" >"${mutex}") 2>/dev/null || return ${?} return 0 @@ -30,6 +31,7 @@ mutex_timedlock() { local mutex="${1}" local timeout="${2}" + shift 2 while ! _mutex_trylock "${mutex}"; do [ ${timeout} -eq 0 ] && return 1 @@ -43,6 +45,7 @@ mutex_timedlock() mutex_unlock() { local mutex="${1}" + shift 1 rm -f -- "${mutex}" } @@ -50,6 +53,7 @@ mutex_unlock() mutex_is_unlockable() { local mutex="${1}" + shift 1 [ "x$(cat -- "${mutex}" 2>/dev/null)" = "x${$}" ] || return ${?} return 0 |