diff options
Diffstat (limited to 'Lib/multiprocessing/semaphore_tracker.py')
| -rw-r--r-- | Lib/multiprocessing/semaphore_tracker.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/multiprocessing/semaphore_tracker.py b/Lib/multiprocessing/semaphore_tracker.py index de7738e..d5f259c 100644 --- a/Lib/multiprocessing/semaphore_tracker.py +++ b/Lib/multiprocessing/semaphore_tracker.py @@ -80,7 +80,8 @@ class SemaphoreTracker(object): # bytes are atomic, and that PIPE_BUF >= 512 raise ValueError('name too long') nbytes = os.write(self._fd, msg) - assert nbytes == len(msg) + assert nbytes == len(msg), "nbytes {0:n} but len(msg) {1:n}".format( + nbytes, len(msg)) _semaphore_tracker = SemaphoreTracker() |