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wineusb.sys: Start an event handler thread. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-04-15 09:43:21 -05:00 committed by Alexandre Julliard
parent ff9645b215
commit eb8cb9e0cf
1 changed files with 26 additions and 0 deletions
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26
dlls/wineusb.sys/wineusb.c
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@ -40,6 +40,25 @@ WINE_DEFAULT_DEBUG_CHANNEL(wineusb);
static DEVICE_OBJECT *bus_fdo, *bus_pdo;
static BOOL thread_shutdown;
static HANDLE event_thread;
static DWORD CALLBACK event_thread_proc(void *arg)
{
int ret;
TRACE("Starting event thread.\n");
while (!thread_shutdown)
{
if ((ret = libusb_handle_events(NULL)))
ERR("Error handling events: %s\n", libusb_strerror(ret));
}
TRACE("Shutting down event thread.\n");
return 0;
}
static NTSTATUS fdo_pnp(IRP *irp)
{
IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
@ -55,6 +74,11 @@ static NTSTATUS fdo_pnp(IRP *irp)
break;
case IRP_MN_REMOVE_DEVICE:
thread_shutdown = TRUE;
libusb_interrupt_event_handler(NULL);
WaitForSingleObject(event_thread, INFINITE);
CloseHandle(event_thread);
irp->IoStatus.Status = STATUS_SUCCESS;
IoSkipCurrentIrpStackLocation(irp);
ret = IoCallDriver(bus_pdo, irp);
@ -111,6 +135,8 @@ NTSTATUS WINAPI DriverEntry(DRIVER_OBJECT *driver, UNICODE_STRING *path)
return STATUS_UNSUCCESSFUL;
}
event_thread = CreateThread(NULL, 0, event_thread_proc, NULL, 0, NULL);
driver->DriverExtension->AddDevice = driver_add_device;
driver->DriverUnload = driver_unload;
driver->MajorFunction[IRP_MJ_PNP] = driver_pnp;