Delay zero after successful action.
diff --git a/Lib/sched.py b/Lib/sched.py
index b70a998..6abd251 100644
--- a/Lib/sched.py
+++ b/Lib/sched.py
@@ -11,8 +11,8 @@
# and millisleep from the built-in module time, or you can implement
# simulated time by writing your own functions. This can also be
# used to integrate scheduling with STDWIN events; the delay function
-# is allowed to modify the queue. Time can be expressed
-# as integers or floating point numbers, as long as it is consistent.
+# is allowed to modify the queue. Time can be expressed as
+# integers or floating point numbers, as long as it is consistent.
# Events are specified by tuples (time, priority, action, argument).
# As in UNIX, lower priority numbers mean higher priority; in this
@@ -83,6 +83,11 @@
# exceptions are not caught but the scheduler's state
# remains well-defined so run() may be called again.
#
+ # A questionably hack is added to allow other threads to run:
+ # just after an event is executed, a delay of 0 is executed,
+ # to avoid monopolizing the CPU when other threads are also
+ # runnable.
+ #
def run(self):
q = self.queue
while q:
@@ -93,4 +98,5 @@
else:
del q[0]
void = action(argument)
+ self.delayfunc(0) # Let other threads run
#