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Commit 5c654f3f authored by Brian Duddie's avatar Brian Duddie Committed by Android (Google) Code Review
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Merge "Add guidance for avoiding race in Sensors HAL 2.0" into qt-dev

parents 16b2c774 a69036fb

current.txt

+1 −0
Original line number Diff line number Diff line
@@ -546,6 +546,7 @@ d8e7717e8187dd7453d4142f8f331e7c325e7a6f9e8d44ac0d52b3be502bfe83 android.hardwar 
08d439c463e4044fa78874037d8e8379aa3cabecde32f08a775897eea5a538af android.hardware.secure_element@1.1::ISecureElement

b53ac9d61c24efb16a2d63a861cef20680f6d57adb244a03b9778c675550628b android.hardware.secure_element@1.1::ISecureElementHalCallback

3702b1c52c0bb3427244618e9e7975c05228bf4ceb8720da7a93603a71cb0368 android.hardware.sensors@2.0::ISensors

c36670945ea09d92ae90a557147352ed9bd5223f957d347b367c2acb6f94870f android.hardware.sensors@2.0::ISensors # b/135216821

ae5faa38538a9f50eb71eb7f9b998271124d2c64b761cb11c4d820c7732b4ddc android.hardware.sensors@2.0::ISensorsCallback

3a98242a57d0820dacaca0f7db52bec433eae1f21c498763c6f1ece611c3967b android.hardware.sensors@2.0::types

ce4b98211959449361146d4b1e5554dc841ceb4d4577154d7b2fb6d1eb504f76 android.hardware.soundtrigger@2.2::ISoundTriggerHw

sensors/2.0/ISensors.hal

+5 −1
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@@ -99,7 +99,11 @@ interface ISensors { 
     * Lock FMQ. When the HAL reads the data from the Wake Lock FMQ, the HAL

     * decrements its current count of unprocessed WAKE_UP events and releases

     * its wake_lock if the current count of unprocessed WAKE_UP events is

     * zero.

     * zero. It is important to note that the HAL must acquire the wake lock and

     * update its internal state regarding the number of outstanding WAKE_UP

     * events _before_ posting the event to the Wake Lock FMQ, in order to avoid

     * a race condition that can lead to loss of wake lock synchronization with

     * the framework.

     *

     * The framework must use the WakeLockQueueFlagBits::DATA_WRITTEN value to

     * notify the HAL that data has been written to the Wake Lock FMQ and must