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/ProcessState.h b/include/binder/ProcessState.h
index 3bc978d..f9edc2a 100644
--- a/include/binder/ProcessState.h
+++ b/include/binder/ProcessState.h
@@ -24,6 +24,8 @@
#include <utils/threads.h>
+#include <pthread.h>
+
// ---------------------------------------------------------------------------
namespace android {
@@ -71,25 +73,33 @@
ProcessState(const ProcessState& o);
ProcessState& operator=(const ProcessState& o);
String8 makeBinderThreadName();
-
+
struct handle_entry {
IBinder* binder;
RefBase::weakref_type* refs;
};
-
+
handle_entry* lookupHandleLocked(int32_t handle);
int mDriverFD;
void* mVMStart;
-
+
+ // Protects thread count variable below.
+ pthread_mutex_t mThreadCountLock;
+ pthread_cond_t mThreadCountDecrement;
+ // Number of binder threads current executing a command.
+ size_t mExecutingThreadsCount;
+ // Maximum number for binder threads allowed for this process.
+ size_t mMaxThreads;
+
mutable Mutex mLock; // protects everything below.
-
+
Vector<handle_entry>mHandleToObject;
bool mManagesContexts;
context_check_func mBinderContextCheckFunc;
void* mBinderContextUserData;
-
+
KeyedVector<String16, sp<IBinder> >
mContexts;