Enhancement with patch: Exposing usb overlapped event

[mcuee]

https://sourceforge.net/p/libusb-win32/patches/12/ Updated: 2014-08-20 Created: 2011-03-14 Creator: Piotr Foltyn Exposing usb overlapped event to the upper code layers.

Index: libusb/src/usb.h
===================================================================
--- libusb/src/usb.h    (revision 381)
+++ libusb/src/usb.h    (working copy)
@@ -401,6 +401,7 @@
     int usb_interrupt_setup_async(usb_dev_handle *dev, void **context,
                                   unsigned char ep);

+    int usb_get_overlapped_event_handle(void *context, void **eventHandle);
     int usb_submit_async(void *context, char *bytes, int size);
     int usb_reap_async(void *context, int timeout);
     int usb_reap_async_nocancel(void *context, int timeout);
Index: libusb/src/windows.c
===================================================================
--- libusb/src/windows.c    (revision 381)
+++ libusb/src/windows.c    (working copy)
@@ -417,6 +417,26 @@
     return 0;
 }

+int usb_get_overlapped_event_handle(void *context, void **eventHandle)
+{
+    usb_context_t *pUsbContext = (usb_context_t *)context;
+    HANDLE *pEventHandle = (HANDLE *)eventHandle;
+
+    if (NULL == pUsbContext) {
+        usb_error("usb_get_overlapped_event_handle: invalid context");
+        return -EINVAL;
+    }
+
+    if (NULL == pEventHandle) {
+        usb_error("usb_get_overlapped_event_handle: invalid event handle");
+        return -EINVAL;
+    }
+
+    *pEventHandle = &pUsbContext->ol.hEvent;
+
+    return 0;
+}
+
 int usb_submit_async(void *context, char *bytes, int size)
 {
     usb_context_t *c = (usb_context_t *)context;

[mcuee]

libusb-win32 project is in a support only mode. Mailing list support is still provided, no changes to the codes and release.