mem: quiet base address hint warning if not requested
[dpdk.git] / lib / eal / windows / eal_interrupts.c
index f24ed6e..bb0585c 100644 (file)
@@ -7,6 +7,8 @@
 #include "eal_private.h"
 #include "eal_windows.h"
 
+#define IOCP_KEY_SHUTDOWN UINT32_MAX
+
 static pthread_t intr_thread;
 
 static HANDLE intr_iocp;
@@ -34,12 +36,14 @@ eal_intr_thread_handle_init(void)
 static void *
 eal_intr_thread_main(LPVOID arg __rte_unused)
 {
+       bool finished = false;
+
        if (eal_intr_thread_handle_init() < 0) {
                RTE_LOG(ERR, EAL, "Cannot open interrupt thread handle\n");
                goto cleanup;
        }
 
-       while (1) {
+       while (!finished) {
                OVERLAPPED_ENTRY events[16];
                ULONG event_count, i;
                BOOL result;
@@ -61,8 +65,13 @@ eal_intr_thread_main(LPVOID arg __rte_unused)
                        continue;
                }
 
-               for (i = 0; i < event_count; i++)
+               for (i = 0; i < event_count; i++) {
+                       if (events[i].lpCompletionKey == IOCP_KEY_SHUTDOWN) {
+                               finished = true;
+                               break;
+                       }
                        eal_intr_process(&events[i]);
+               }
        }
 
        CloseHandle(intr_thread_handle);
@@ -125,6 +134,19 @@ eal_intr_thread_schedule(void (*func)(void *arg), void *arg)
        return 0;
 }
 
+void
+eal_intr_thread_cancel(void)
+{
+       if (!PostQueuedCompletionStatus(
+                       intr_iocp, 0, IOCP_KEY_SHUTDOWN, NULL)) {
+               RTE_LOG_WIN32_ERR("PostQueuedCompletionStatus()");
+               RTE_LOG(ERR, EAL, "Cannot cancel interrupt thread\n");
+               return;
+       }
+
+       WaitForSingleObject(intr_thread_handle, INFINITE);
+}
+
 int
 rte_intr_callback_register(
        __rte_unused const struct rte_intr_handle *intr_handle,