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added explicit garbage collect task

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This commit is contained in:
Darren Ranalli 2008-09-16 20:28:24 +00:00
parent db18c32b23
commit 86d00a7024
1 changed files with 27 additions and 0 deletions
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27
direct/src/task/Task.py
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@ -27,6 +27,7 @@ except:
Dtool_PreloadDLL("libheapq") Dtool_PreloadDLL("libheapq")
from libheapq import heappush, heappop, heapify from libheapq import heappush, heappop, heapify
import types import types
import gc
if __debug__: if __debug__:
# For pstats # For pstats
@ -346,6 +347,10 @@ class TaskPriorityList(list):
self[self.__emptyIndex-1] = None self[self.__emptyIndex-1] = None
self.__emptyIndex -= 1 self.__emptyIndex -= 1
class GCTrigger:
# used to trigger garbage collection
pass
class TaskManager: class TaskManager:
# These class vars are generally overwritten by Config variables which # These class vars are generally overwritten by Config variables which
@ -419,7 +424,13 @@ class TaskManager:
# A default task. # A default task.
self.add(self.__doLaterProcessor, "doLaterProcessor", -10) self.add(self.__doLaterProcessor, "doLaterProcessor", -10)
# start this when config is available
self._gcTask = None
self._wantGcTask = None
def destroy(self): def destroy(self):
if self._gcTask:
self._gcTask.remove()
if self._taskProfiler: if self._taskProfiler:
self._taskProfiler.destroy() self._taskProfiler.destroy()
del self.nameDict del self.nameDict
@ -534,6 +545,15 @@ class TaskManager:
# TaskManager.notify.debug("filtered %s removed doLaters" % numRemoved) # TaskManager.notify.debug("filtered %s removed doLaters" % numRemoved)
return cont return cont
def _garbageCollect(self, task=None):
# enable automatic garbage collection
gc.enable()
# creating an object with gc enabled causes garbage collection to trigger if appropriate
gct = GCTrigger()
# disable the automatic garbage collect during the rest of the frame
gc.disable()
return cont
def doMethodLater(self, delayTime, funcOrTask, name, extraArgs=None, def doMethodLater(self, delayTime, funcOrTask, name, extraArgs=None,
priority=0, uponDeath=None, appendTask=False, owner = None): priority=0, uponDeath=None, appendTask=False, owner = None):
if delayTime < 0: if delayTime < 0:
@ -1058,6 +1078,13 @@ class TaskManager:
TaskManager._DidTests = True TaskManager._DidTests = True
self._runTests() self._runTests()
if not self._gcTask:
if self._wantGcTask is None:
self._wantGcTask = config.GetBool('want-garbage-collect-task', 1)
if self._wantGcTask:
# manual garbage-collect task
self._gcTask = self.add(self._garbageCollect, "doGarbageCollect", 200)
if not self._profileTasks: if not self._profileTasks:
from direct.fsm.StatePush import StateVar from direct.fsm.StatePush import StateVar
self._profileTasks = StateVar(False) self._profileTasks = StateVar(False)