MH2 | Implement wakelock processing thread
Bug: 136511617
Test: Unit tests cannot be written for this change. Integration testing
will be performed later.
Change-Id: I651b5fde77c6017b3270413de896a947d95ff5f8
diff --git a/sensors/2.0/multihal/include/ScopedWakelock.h b/sensors/2.0/multihal/include/ScopedWakelock.h
index a151f15..aa6d9db 100644
--- a/sensors/2.0/multihal/include/ScopedWakelock.h
+++ b/sensors/2.0/multihal/include/ScopedWakelock.h
@@ -16,7 +16,7 @@
#pragma once
-#include <mutex>
+#include <android/hardware/sensors/2.0/types.h>
namespace android {
namespace hardware {
@@ -24,10 +24,36 @@
namespace V2_0 {
namespace implementation {
-class IScopedWakelockRefCounter {
+using ::android::hardware::sensors::V2_0::SensorTimeout;
+
+const int64_t kWakelockTimeoutNs =
+ static_cast<int64_t>(SensorTimeout::WAKE_LOCK_SECONDS) * INT64_C(1000000000);
+
+int64_t getTimeNow();
+
+class IScopedWakelockRefCounter : public RefBase {
public:
- virtual void incrementRefCountAndMaybeAcquireWakelock() = 0;
- virtual void decrementRefCountAndMaybeReleaseWakelock() = 0;
+ /**
+ * Increment the wakelock ref count and maybe acquire the shared wakelock if incrementing
+ * from 0 then return the time of incrementing back to caller.
+ *
+ * @param delta The amount to change ref count by.
+ * @param timeoutStart The ptr to the timestamp in ns that the increment occurred which will be
+ * set in the function or nullptr if not specified.
+ *
+ * @return true if successfully incremented the wakelock ref count.
+ */
+ virtual bool incrementRefCountAndMaybeAcquireWakelock(size_t delta,
+ int64_t* timeoutStart = nullptr) = 0;
+ /**
+ * Decrement the wakelock ref count and maybe release wakelock if ref count ends up 0.
+ *
+ * @param delta The amount to change ref count by.
+ * @param timeoutStart The timestamp in ns that the calling context kept track of when
+ * incrementing the ref count or -1 by default
+ */
+ virtual void decrementRefCountAndMaybeReleaseWakelock(size_t delta,
+ int64_t timeoutStart = -1) = 0;
// Virtual dtor needed for compilation success
virtual ~IScopedWakelockRefCounter(){};
};
@@ -64,6 +90,7 @@
private:
friend class HalProxyCallback;
IScopedWakelockRefCounter* mRefCounter;
+ int64_t mCreatedAtTimeNs;
bool mLocked;
ScopedWakelock(IScopedWakelockRefCounter* refCounter, bool locked);
ScopedWakelock(const ScopedWakelock&) = delete;