diff options
| -rw-r--r-- | Misc/NEWS.d/next/Windows/2018-04-20-03-24-07.bpo-33316.9IiJ8J.rst | 1 | ||||
| -rw-r--r-- | Python/thread_nt.h | 5 |
2 files changed, 4 insertions, 2 deletions
diff --git a/Misc/NEWS.d/next/Windows/2018-04-20-03-24-07.bpo-33316.9IiJ8J.rst b/Misc/NEWS.d/next/Windows/2018-04-20-03-24-07.bpo-33316.9IiJ8J.rst new file mode 100644 index 0000000..5517679 --- /dev/null +++ b/Misc/NEWS.d/next/Windows/2018-04-20-03-24-07.bpo-33316.9IiJ8J.rst @@ -0,0 +1 @@ +PyThread_release_lock always fails diff --git a/Python/thread_nt.h b/Python/thread_nt.h index 21ef555..fdb192b 100644 --- a/Python/thread_nt.h +++ b/Python/thread_nt.h @@ -104,8 +104,9 @@ LeaveNonRecursiveMutex(PNRMUTEX mutex) if (PyMUTEX_LOCK(&mutex->cs)) return FALSE; mutex->locked = 0; - result = PyCOND_SIGNAL(&mutex->cv); - result &= PyMUTEX_UNLOCK(&mutex->cs); + /* condvar APIs return 0 on success. We need to return TRUE on success. */ + result = !PyCOND_SIGNAL(&mutex->cv); + PyMUTEX_UNLOCK(&mutex->cs); return result; } |