libbinder : Avoid waiting in binder_rpc_fuzzer
Introducing new APIs in RpcServer and RpcSession to check
polling state of file descriptor. Removing fixed wait time
in binder_rpc_fuzzer.
Test: m binder_rpc_fuzzer &&
$ANDROID_HOST_OUT/fuzz/x86_64/binder_rpc_fuzzer/binder_rpc_fuzzer
Bug: 218518615
Change-Id: Ied82cd9c16514761a489731488924274a17053a6
diff --git a/libs/binder/RpcSession.cpp b/libs/binder/RpcSession.cpp
index bef2ed6..49843e5 100644
--- a/libs/binder/RpcSession.cpp
+++ b/libs/binder/RpcSession.cpp
@@ -952,4 +952,24 @@
}
}
+bool RpcSession::hasActiveConnection(const std::vector<sp<RpcConnection>>& connections) {
+ for (const auto& connection : connections) {
+ if (connection->exclusiveTid != std::nullopt && !connection->rpcTransport->isWaiting()) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool RpcSession::hasActiveRequests() {
+ RpcMutexUniqueLock _l(mMutex);
+ if (hasActiveConnection(mConnections.mIncoming)) {
+ return true;
+ }
+ if (hasActiveConnection(mConnections.mOutgoing)) {
+ return true;
+ }
+ return mConnections.mWaitingThreads != 0;
+}
+
} // namespace android