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Code Issues Packages Projects Releases Wiki Activity

locking: Add Refresh for better locking cleanup (#11535)

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Co-authored-by: Anis Elleuch <anis@min.io>
Co-authored-by: Harshavardhana <harsha@minio.io>
This commit is contained in:
Anis Elleuch
2021-03-04 03:36:43 +01:00
committed by GitHub
parent 464fa08f2e
commit 7be7109471
23 changed files with 597 additions and 313 deletions
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21
pkg/dsync/drwmutex_test.go
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@@ -36,12 +36,14 @@ func testSimpleWriteLock(t *testing.T, duration time.Duration) (locked bool) {
drwm := NewDRWMutex(ds, "simplelock")
if !drwm.GetRLock(context.Background(), id, source, Options{Timeout: time.Second}) {
ctx1, cancel1 := context.WithCancel(context.Background())
if !drwm.GetRLock(ctx1, cancel1, id, source, Options{Timeout: time.Second}) {
panic("Failed to acquire read lock")
}
// fmt.Println("1st read lock acquired, waiting...")
if !drwm.GetRLock(context.Background(), id, source, Options{Timeout: time.Second}) {
ctx2, cancel2 := context.WithCancel(context.Background())
if !drwm.GetRLock(ctx2, cancel2, id, source, Options{Timeout: time.Second}) {
panic("Failed to acquire read lock")
}
// fmt.Println("2nd read lock acquired, waiting...")
@@ -59,7 +61,8 @@ func testSimpleWriteLock(t *testing.T, duration time.Duration) (locked bool) {
}()
// fmt.Println("Trying to acquire write lock, waiting...")
locked = drwm.GetLock(context.Background(), id, source, Options{Timeout: duration})
ctx3, cancel3 := context.WithCancel(context.Background())
locked = drwm.GetLock(ctx3, cancel3, id, source, Options{Timeout: duration})
if locked {
// fmt.Println("Write lock acquired, waiting...")
time.Sleep(time.Second)
@@ -93,7 +96,8 @@ func testDualWriteLock(t *testing.T, duration time.Duration) (locked bool) {
drwm := NewDRWMutex(ds, "duallock")
// fmt.Println("Getting initial write lock")
if !drwm.GetLock(context.Background(), id, source, Options{Timeout: time.Second}) {
ctx1, cancel1 := context.WithCancel(context.Background())
if !drwm.GetLock(ctx1, cancel1, id, source, Options{Timeout: time.Second}) {
panic("Failed to acquire initial write lock")
}
@@ -104,7 +108,8 @@ func testDualWriteLock(t *testing.T, duration time.Duration) (locked bool) {
}()
// fmt.Println("Trying to acquire 2nd write lock, waiting...")
locked = drwm.GetLock(context.Background(), id, source, Options{Timeout: duration})
ctx2, cancel2 := context.WithCancel(context.Background())
locked = drwm.GetLock(ctx2, cancel2, id, source, Options{Timeout: duration})
if locked {
// fmt.Println("2nd write lock acquired, waiting...")
time.Sleep(time.Second)
@@ -139,7 +144,7 @@ func TestDualWriteLockTimedOut(t *testing.T) {
// Borrowed from rwmutex_test.go
func parallelReader(ctx context.Context, m *DRWMutex, clocked, cunlock, cdone chan bool) {
if m.GetRLock(ctx, id, source, Options{Timeout: time.Second}) {
if m.GetRLock(ctx, nil, id, source, Options{Timeout: time.Second}) {
clocked <- true
<-cunlock
m.RUnlock()
@@ -182,7 +187,7 @@ func TestParallelReaders(t *testing.T) {
// Borrowed from rwmutex_test.go
func reader(rwm *DRWMutex, numIterations int, activity *int32, cdone chan bool) {
for i := 0; i < numIterations; i++ {
if rwm.GetRLock(context.Background(), id, source, Options{Timeout: time.Second}) {
if rwm.GetRLock(context.Background(), nil, id, source, Options{Timeout: time.Second}) {
n := atomic.AddInt32(activity, 1)
if n < 1 || n >= 10000 {
panic(fmt.Sprintf("wlock(%d)\n", n))
@@ -199,7 +204,7 @@ func reader(rwm *DRWMutex, numIterations int, activity *int32, cdone chan bool)
// Borrowed from rwmutex_test.go
func writer(rwm *DRWMutex, numIterations int, activity *int32, cdone chan bool) {
for i := 0; i < numIterations; i++ {
if rwm.GetLock(context.Background(), id, source, Options{Timeout: time.Second}) {
if rwm.GetLock(context.Background(), nil, id, source, Options{Timeout: time.Second}) {
n := atomic.AddInt32(activity, 10000)
if n != 10000 {
panic(fmt.Sprintf("wlock(%d)\n", n))