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On Thu, Apr 26, 2012 at 10:17 PM, Michael Hsueh <[email protected]> wrote: > I am reading through the binder code and trying to understand how the > threading works. I know that the binder driver sends commands to > increase the thread pool size when it detects that there is no free > binder thread to service a command (up to the max of 16 threads). But > I am not sure when these newly spawned threads are removed. > > In IPCThreadState.cpp: > > void IPCThreadState::joinThreadPool(bool isMain) { > ... > result = executeCommand(cmd); > ... > if(result == TIMED_OUT && !isMain) { > break; > } > ... > } > > I see that the thread breaks out of the thread pool loop when result > is set to TIMED_OUT, which in turn happens when the binder drive sends > a command of BR_FINISHED. This would result in the handling binder > thread to leave the thread pool and essentially end. But I looked > through the binder driver source code and could not find any instance > in which the driver would deliver this command to binder thread. Does > this mean the binder thread pool will only grow in size and never > shrink? > > I would appreciate any help on this topic. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy Android Training...At Your Office: http://commonsware.com/training -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
