bpo-34054: multiprocessing uses time.monotonic() (GH-8118)

The multiprocessing module now uses the monotonic clock
time.monotonic() instead of the system clock time.time() to implement
timeouts.

1 files changed, 2 insertions, 2 deletions

diff --git a/Lib/multiprocessing/queues.py b/Lib/multiprocessing/queues.py
index 715a9b0e12..88f7d267bf 100644
--- a/Lib/multiprocessing/queues.py
+++ b/Lib/multiprocessing/queues.py
@@ -95,12 +95,12 @@ class Queue(object):
             self._sem.release()
         else:
             if block:
-                deadline = time.time() + timeout
+                deadline = time.monotonic() + timeout
             if not self._rlock.acquire(block, timeout):
                 raise Empty
             try:
                 if block:
-                    timeout = deadline - time.time()
+                    timeout = deadline - time.monotonic()
                     if not self._poll(timeout):
                         raise Empty
                 elif not self._poll():