support iocp in scheduler

1 files changed, 6 insertions, 1 deletions

diff --git a/xmake/core/base/scheduler.lua b/xmake/core/base/scheduler.lua
index 50e42c5b6..483ff347a 100644
--- a/xmake/core/base/scheduler.lua
+++ b/xmake/core/base/scheduler.lua
@@ -265,7 +265,7 @@ function scheduler:sock_wait(sock, events, timeout)
     end
 
     -- enable edge-trigger mode if be supported
-    if poller:support(poller.OT_SOCK, poller.EV_SOCK_CLEAR) then
+    if self._SUPPORT_EV_SOCK_CLEAR then
         events = bit.bor(events, poller.EV_SOCK_CLEAR)
     end
 
@@ -392,6 +392,11 @@ function scheduler:runloop()
     -- start loop
     self._STARTED = true
 
+    -- ensure poller has been initialized first (for windows/iocp) and check edge-trigger mode (for epoll/kqueue)
+    if poller:support(poller.OT_SOCK, poller.EV_SOCK_CLEAR) then
+        self._SUPPORT_EV_SOCK_CLEAR = true
+    end
+
     -- start all ready coroutine tasks
     local co_ready_tasks = self._CO_READY_TASKS
     if co_ready_tasks then