Merge branch '2.2' into 2.3

maxutils/maxbase/include/maxbase/worker.hh

@@ -52,6 +52,7 @@ struct WORKER_STATISTICS
     int64_t evq_max = 0;    /*< Maximum event queue length */
     int64_t maxqtime = 0;
     int64_t maxexectime = 0;
+
     std::array<int64_t, MAXNFDS>            n_fds {};   /*< Number of wakeups with particular n_fds value */
     std::array<uint32_t, N_QUEUE_TIMES + 1> qtimes {};
     std::array<uint32_t, N_QUEUE_TIMES + 1> exectimes {};

maxutils/maxbase/src/worker.cc

@@ -519,9 +519,19 @@ bool Worker::call(function<void ()> func, execute_mode_t mode)
 bool Worker::post_message(uint32_t msg_id, intptr_t arg1, intptr_t arg2)
 {
     // NOTE: No logging here, this function must be signal safe.
-    MessageQueue::Message message(msg_id, arg1, arg2);
+    bool rval = false;
 
-    return m_pQueue->post(message);
+    // TODO: Enable and fix this in develop and/or 2.4: The deletion of rworker_local is done after the
+    // workers have stopped and it triggers this assertion.
+    // mxb_assert(state() != Worker::STOPPED);
+
+    if (state() != Worker::STOPPED)
+    {
+        MessageQueue::Message message(msg_id, arg1, arg2);
+        rval = m_pQueue->post(message);
+    }
+
+    return rval;
 }
 
 void Worker::run(mxb::Semaphore* pSem)

server/core/admin.cc

@@ -424,6 +424,7 @@ bool mxs_admin_init()
 void mxs_admin_shutdown()
 {
     MHD_stop_daemon(http_daemon);
+    MXS_NOTICE("Stopped MaxScale REST API");
 }
 
 bool mxs_admin_https_enabled()

server/core/gateway.cc

@@ -2255,9 +2255,6 @@ int main(int argc, char** argv)
     mxb_assert(worker);
     worker->run();
 
-    /** Stop administrative interface */
-    mxs_admin_shutdown();
-
     /*< Stop all monitors */
     monitor_stop_all();
 

server/core/misc.cc

@@ -19,6 +19,7 @@
 
 #include "internal/maxscale.h"
 #include "internal/service.hh"
+#include "internal/admin.hh"
 
 static time_t started;
 
@@ -50,7 +51,12 @@ int maxscale_shutdown()
 
     if (n == 0)
     {
+        auto w = mxs::RoutingWorker::get(mxs::RoutingWorker::MAIN);
+        w->execute(
+            []() {
+                mxs_admin_shutdown();
                 mxs::RoutingWorker::shutdown_all();
+            }, nullptr, mxs::RoutingWorker::EXECUTE_QUEUED);
     }
 
     return n + 1;