Sebastian Lackner : winebus.sys: Spawn a device loop thread and add synchronization.
Alexandre Julliard
julliard at winehq.org
Mon Oct 3 14:07:18 CDT 2016
Module: wine
Branch: master
Commit: 35d9d5f40a6e4ef82e13c5703349b33054c4daab
URL: http://source.winehq.org/git/wine.git/?a=commit;h=35d9d5f40a6e4ef82e13c5703349b33054c4daab
Author: Sebastian Lackner <sebastian at fds-team.de>
Date: Mon Oct 3 13:24:44 2016 +0200
winebus.sys: Spawn a device loop thread and add synchronization.
Signed-off-by: Sebastian Lackner <sebastian at fds-team.de>
Signed-off-by: Aric Stewart <aric at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/winebus.sys/bus_udev.c | 38 ++++++++++++++++++++++++++++++++++++--
1 file changed, 36 insertions(+), 2 deletions(-)
diff --git a/dlls/winebus.sys/bus_udev.c b/dlls/winebus.sys/bus_udev.c
index 1525861..1f6df6f 100644
--- a/dlls/winebus.sys/bus_udev.c
+++ b/dlls/winebus.sys/bus_udev.c
@@ -164,8 +164,21 @@ static void build_initial_deviceset(void)
udev_enumerate_unref(enumerate);
}
+static DWORD CALLBACK deviceloop_thread(void *args)
+{
+ HANDLE init_done = args;
+
+ build_initial_deviceset();
+ SetEvent(init_done);
+
+ return 0;
+}
+
NTSTATUS WINAPI udev_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry_path)
{
+ HANDLE events[2];
+ DWORD result;
+
TRACE("(%p, %s)\n", driver, debugstr_w(registry_path->Buffer));
if (!(udev_context = udev_new()))
@@ -177,8 +190,29 @@ NTSTATUS WINAPI udev_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry
udev_driver_obj = driver;
driver->MajorFunction[IRP_MJ_PNP] = common_pnp_dispatch;
- build_initial_deviceset();
- return STATUS_SUCCESS;
+ if (!(events[0] = CreateEventW(NULL, TRUE, FALSE, NULL)))
+ goto error;
+ if (!(events[1] = CreateThread(NULL, 0, deviceloop_thread, events[0], 0, NULL)))
+ {
+ CloseHandle(events[0]);
+ goto error;
+ }
+
+ result = WaitForMultipleObjects(2, events, FALSE, INFINITE);
+ CloseHandle(events[0]);
+ CloseHandle(events[1]);
+ if (result == WAIT_OBJECT_0)
+ {
+ TRACE("Initialization successful\n");
+ return STATUS_SUCCESS;
+ }
+
+error:
+ ERR("Failed to initialize udev device thread\n");
+ udev_unref(udev_context);
+ udev_context = NULL;
+ udev_driver_obj = NULL;
+ return STATUS_UNSUCCESSFUL;
}
#else
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