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| author | Patrick McDermott <patrick.mcdermott@libiquity.com> | 2019-04-25 20:58:13 (EDT) |
|---|---|---|
| committer | Patrick McDermott <patrick.mcdermott@libiquity.com> | 2019-04-25 20:58:13 (EDT) |
| commit | 0f5dc89d0772eba2d1a06a57a7d3aeb69146a5a2 (patch) | |
| tree | 78a82e98155b6e393926443094c42d08b877f130 /src | |
| parent | dd391ea7729c2d48ce7abbd65c2eb01b0b9c428c (diff) | |
_mutex_trylock(), mutex_is_unlockable(): Make "set -e"-safe
Diffstat (limited to 'src')
| -rw-r--r-- | src/mutex.sh | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/mutex.sh b/src/mutex.sh index 4aa8e1f..be63d96 100644 --- a/src/mutex.sh +++ b/src/mutex.sh @@ -22,9 +22,8 @@ _mutex_trylock() { local mutex="${1}" - (set -C; printf '%d\n' "${$}" >"${mutex}") 2>/dev/null - - return ${?} + (set -C; printf '%d\n' "${$}" >"${mutex}") 2>/dev/null || return ${?} + return 0 } mutex_timedlock() @@ -52,7 +51,6 @@ mutex_is_unlockable() { local mutex="${1}" - [ "x$(cat "${mutex}" 2>/dev/null)" = "x${$}" ] - - return ${?} + [ "x$(cat "${mutex}" 2>/dev/null)" = "x${$}" ] || return ${?} + return 0 } |