issue: 4432879 Remove free_evh_resources()

This method simply calls stop_thread(). Remove it to simply the code and
separate thread stopping from epfd closing.

Signed-off-by: Dmytro Podgornyi <[email protected]>

Author: pasis

src/core/event/event_handler_manager.cpp

@@ -227,38 +227,31 @@ event_handler_manager::event_handler_manager(bool internal_thread_mode)
     m_epfd = -1;
     m_event_handler_tid = 0;
 
+    m_b_continue_running = true;
     if (!internal_thread_mode) {
-        m_b_continue_running = true;
         return;
     }
 
     m_epfd = SYSCALL(epoll_create, INITIAL_EVENTS_NUM);
     BULLSEYE_EXCLUDE_BLOCK_START
     if (m_epfd == -1) {
         evh_logdbg("epoll_create failed on ibv device collection (errno=%d %m)", errno);
-        free_evh_resources();
         throw_xlio_exception("epoll_create failed on ibv device collection");
     }
     BULLSEYE_EXCLUDE_BLOCK_END
 
-    m_b_continue_running = true;
-
     wakeup_set_epoll_fd(m_epfd);
     going_to_sleep();
 }
 
 event_handler_manager::~event_handler_manager()
 {
-    free_evh_resources();
-}
-
-void event_handler_manager::free_evh_resources()
-{
-    evh_logfunc("");
-
-    // Flag thread to stop on next loop
     stop_thread();
-    evh_logfunc("Thread stopped");
+
+    if (m_epfd >= 0) {
+        SYSCALL(close, m_epfd);
+    }
+    m_epfd = -1;
 }
 
 // event handler main thread startup
@@ -370,18 +363,12 @@ void event_handler_manager::stop_thread()
         // Wait for thread exit
         if (m_event_handler_tid) {
             pthread_join(m_event_handler_tid, nullptr);
-            evh_logdbg("event handler thread stopped");
+            evh_logdbg("Event handler thread stopped.");
         } else {
-            evh_logdbg("event handler thread not running");
+            evh_logdbg("Event handler thread not running.");
         }
     }
     m_event_handler_tid = 0;
-
-    // Close main epfd and signaling socket
-    if (m_epfd >= 0) {
-        SYSCALL(close, m_epfd);
-    }
-    m_epfd = -1;
 }
 
 void event_handler_manager::update_epfd(int fd, int operation, int events)

src/core/event/event_handler_manager.h

@@ -238,8 +238,6 @@ class event_handler_manager : public wakeup_pipe {
 
     void event_channel_post_process_for_rdma_events(void *p_event);
     void *event_channel_pre_process_for_rdma_events(void *p_event_channel_handle, void **p_event);
-
-    void free_evh_resources(void);
 };
 
 extern event_handler_manager *g_p_event_handler_manager;