diff options
Diffstat (limited to 'meta-speech-framework/meta-aac/recipes-avs/avs-device-sdk/avs-device-sdk/0001-connection-deadlock-workaround.patch')
| -rw-r--r-- | meta-speech-framework/meta-aac/recipes-avs/avs-device-sdk/avs-device-sdk/0001-connection-deadlock-workaround.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-speech-framework/meta-aac/recipes-avs/avs-device-sdk/avs-device-sdk/0001-connection-deadlock-workaround.patch b/meta-speech-framework/meta-aac/recipes-avs/avs-device-sdk/avs-device-sdk/0001-connection-deadlock-workaround.patch new file mode 100644 index 00000000..3bf79835 --- /dev/null +++ b/meta-speech-framework/meta-aac/recipes-avs/avs-device-sdk/avs-device-sdk/0001-connection-deadlock-workaround.patch @@ -0,0 +1,35 @@ +Workaround for connection deadlock + +Change the maximum (effectively infinite) delay in HTTP2Transport's +connecting state handling code to use the inactivity timeout value, +which is currently 5 minutes. This seems to avoid triggering a +deadlock between the condition variable checking in the +monitorSharedQueueWhileWaiting method and use of the object's m_mutex +member in sendPostConnectMessage and onActivity methods. +At present, my theory is this issue stems from some change or bug +in the newer g++/libstdc++ coming with dunfell versus the thud release +that Amazon supports. + +Upstream-Status: Inappropriate [other] + +Signed-off-by: Scott Murray <scott.murray@konsulko.com> + +diff --git a/ACL/src/Transport/HTTP2Transport.cpp b/ACL/src/Transport/HTTP2Transport.cpp +index f1b5c03..dec7424 100644 +--- a/ACL/src/Transport/HTTP2Transport.cpp ++++ b/ACL/src/Transport/HTTP2Transport.cpp +@@ -618,7 +618,13 @@ HTTP2Transport::State HTTP2Transport::handleConnecting() { + return m_state; + } + +- return monitorSharedQueueWhileWaiting(State::CONNECTING); ++ // Wait for connection for the same length of time as the post-connection ++ // inactivity monitor timeout (currently 5 minutes). ++ // This seems to avoid triggering an issue where connecting deadlocks when ++ // using the maximum timeout of std::chrono:steady_clock. ++ std::chrono::time_point<std::chrono::steady_clock> timeout = ++ std::chrono::steady_clock::now() + INACTIVITY_TIMEOUT; ++ return monitorSharedQueueWhileWaiting(State::CONNECTING, timeout); + } + + HTTP2Transport::State HTTP2Transport::handleWaitingToRetryConnecting() { |