diff options
Diffstat (limited to 'vendor/modernc.org/sqlite/lib/mutex.go')
| -rw-r--r-- | vendor/modernc.org/sqlite/lib/mutex.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/vendor/modernc.org/sqlite/lib/mutex.go b/vendor/modernc.org/sqlite/lib/mutex.go index be44263a..4dd679a3 100644 --- a/vendor/modernc.org/sqlite/lib/mutex.go +++ b/vendor/modernc.org/sqlite/lib/mutex.go @@ -92,13 +92,17 @@ func mutexFromPtr(p uintptr) *mutex { if p == 0 { return nil } + ix := p - 1 + + mutexes.Lock() + defer mutexes.Unlock() + return &mutexes.a[ix>>8][ix&255] } func (m *mutexPool) alloc(recursive bool) uintptr { m.Lock() - defer m.Unlock() n := len(m.freeList) @@ -124,8 +128,8 @@ func (m *mutexPool) free(p uintptr) { ptr := mutexFromPtr(p) ix := ptr.poolIndex *ptr = mutex{} - m.Lock() + m.Lock() defer m.Unlock() m.freeList = append(m.freeList, ix) |