Added IPCThreadState::blockUntilThreadAvailable() method.
Will be used by the system_server watchdog to monitor the
availability of binder threads in the process to handle
incoming IPC requests.
Bug: 19297165
Change-Id: I39175f3869ad14da5620fddb47f454e6e4ee2b25
diff --git a/include/binder/IPCThreadState.h b/include/binder/IPCThreadState.h
index 60c2242..1853cff 100644
--- a/include/binder/IPCThreadState.h
+++ b/include/binder/IPCThreadState.h
@@ -76,14 +76,18 @@
BpBinder* proxy);
static void shutdown();
-
+
// Call this to disable switching threads to background scheduling when
// receiving incoming IPC calls. This is specifically here for the
// Android system process, since it expects to have background apps calling
// in to it but doesn't want to acquire locks in its services while in
// the background.
static void disableBackgroundScheduling(bool disable);
-
+
+ // Call blocks until the number of executing binder threads is less than
+ // the maximum number of binder threads threads allowed for this process.
+ void blockUntilThreadAvailable();
+
private:
IPCThreadState();
~IPCThreadState();
@@ -101,9 +105,9 @@
status_t getAndExecuteCommand();
status_t executeCommand(int32_t command);
void processPendingDerefs();
-
+
void clearCaller();
-
+
static void threadDestructor(void *st);
static void freeBuffer(Parcel* parcel,
const uint8_t* data, size_t dataSize,
@@ -114,7 +118,7 @@
const pid_t mMyThreadId;
Vector<BBinder*> mPendingStrongDerefs;
Vector<RefBase::weakref_type*> mPendingWeakDerefs;
-
+
Parcel mIn;
Parcel mOut;
status_t mLastError;