diff options
Diffstat (limited to 'libs/binder')
| -rw-r--r-- | libs/binder/IPCThreadState.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp index e04b2bf..b2a7db8 100644 --- a/libs/binder/IPCThreadState.cpp +++ b/libs/binder/IPCThreadState.cpp @@ -426,6 +426,21 @@ void IPCThreadState::joinThreadPool(bool isMain) result = executeCommand(cmd); } + // After executing the command, ensure that the thread is returned to the + // default cgroup and priority before rejoining the pool. This is a failsafe + // in case the command implementation failed to properly restore the thread's + // scheduling parameters upon completion. + int my_id; +#ifdef HAVE_GETTID + my_id = gettid(); +#else + my_id = getpid(); +#endif + if (!set_sched_policy(my_id, SP_FOREGROUND)) { + // success; reset the priority as well + setpriority(PRIO_PROCESS, my_id, ANDROID_PRIORITY_NORMAL); + } + // Let this thread exit the thread pool if it is no longer // needed and it is not the main process thread. if(result == TIMED_OUT && !isMain) { |