Tim Schumacher : joy.cpl: Fix high CPU load in FF test window.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f5bf3630db8bf275bdf136ac2ea3c85cb4612992
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=f5bf3630db8bf275bdf136ac2ea3c85cb4612992

Author: Tim Schumacher <timschumi at gmx.de>
Date:   Sun May 19 00:43:17 2019 +0200

joy.cpl: Fix high CPU load in FF test window.

If no effects are in the effects list, the loop in ff_input_thread
is immediately restarted, skipping the poll interval. This causes an
incredibly high refresh rate, which maxes out at least one CPU core.

Signed-off-by: Tim Schumacher <timschumi at gmx.de>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/joy.cpl/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/joy.cpl/main.c b/dlls/joy.cpl/main.c
index 3c75a78..06084f3 100644
--- a/dlls/joy.cpl/main.c
+++ b/dlls/joy.cpl/main.c
@@ -678,6 +678,8 @@ static DWORD WINAPI ff_input_thread(void *param)
         DWORD flags = DIEP_AXES | DIEP_DIRECTION | DIEP_NORESTART;
         RECT r;
 
+        Sleep(TEST_POLL_TIME);
+
         /* Skip this if we have no effects */
         if (joy->num_effects == 0 || chosen_effect < 0) continue;
 
@@ -702,8 +704,6 @@ static DWORD WINAPI ff_input_thread(void *param)
                 IDirectInputEffect_Start(joy->effects[chosen_effect].effect, 1, 0);
                 break;
             }
-
-        Sleep(TEST_POLL_TIME);
     }
 
     return 0;