| 49 | } |
| 50 | |
| 51 | func (suite *BoundedRWLockSuite) TestReaderTimeout(t *C) { |
| 52 | clocked := make(chan bool) |
| 53 | cunlock := make(chan bool) |
| 54 | cunlocked := make(chan bool) |
| 55 | var rwl *BoundedRWLock = NewBoundedRWLock(100) |
| 56 | go func() { |
| 57 | if err := rwl.WLock(100 * time.Millisecond); err != nil { |
| 58 | panic(fmt.Sprintf("contention??")) |
| 59 | } |
| 60 | |
| 61 | clocked <- true |
| 62 | <-cunlock |
| 63 | rwl.WUnlock() |
| 64 | cunlocked <- true |
| 65 | }() |
| 66 | |
| 67 | <-clocked |
| 68 | begin := time.Now() |
| 69 | err := rwl.RLock(100 * time.Millisecond) |
| 70 | t.Assert(err, NotNil) |
| 71 | t.Assert(time.Now().Sub(begin) >= 100*time.Millisecond, Equals, true) |
| 72 | |
| 73 | cunlock <- true |
| 74 | <-cunlocked |
| 75 | err = rwl.RLock(100 * time.Millisecond) |
| 76 | t.Assert(err, IsNil) |
| 77 | rwl.RUnlock() |
| 78 | } |
| 79 | |
| 80 | func doTestParallelReaders(gomaxprocs, numReaders int) { |
| 81 | runtime.GOMAXPROCS(gomaxprocs) |