Paul Gofman : ntoskrnl.exe: Implement KeRevertToUserAffinityThread() function.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: cda4fa293e26e788e95dc5d4656c15fb41cf6350
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=cda4fa293e26e788e95dc5d4656c15fb41cf6350

Author: Paul Gofman <pgofman at codeweavers.com>
Date:   Tue May 26 13:05:10 2020 +0300

ntoskrnl.exe: Implement KeRevertToUserAffinityThread() function.

Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ntoskrnl.exe/ntoskrnl.c     |  2 +-
 dlls/ntoskrnl.exe/tests/driver.c | 12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index fc7828cf15..c4f2180c4c 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -2485,7 +2485,7 @@ KAFFINITY WINAPI KeSetSystemAffinityThreadEx(KAFFINITY affinity)
  */
 void WINAPI KeRevertToUserAffinityThread(void)
 {
-    FIXME("() stub\n");
+    KeRevertToUserAffinityThreadEx(0);
 }
 
 void WINAPI KeRevertToUserAffinityThreadEx(KAFFINITY affinity)
diff --git a/dlls/ntoskrnl.exe/tests/driver.c b/dlls/ntoskrnl.exe/tests/driver.c
index 458815a0f2..356c60a2e7 100644
--- a/dlls/ntoskrnl.exe/tests/driver.c
+++ b/dlls/ntoskrnl.exe/tests/driver.c
@@ -1766,7 +1766,17 @@ static void test_affinity(void)
     mask = pKeSetSystemAffinityThreadEx(0x1);
     ok(mask == mask_all_cpus, "Got unexpected mask %#lx.\n", mask);
 
-    pKeRevertToUserAffinityThreadEx(mask_all_cpus);
+    pKeRevertToUserAffinityThreadEx(0);
+
+    mask = pKeSetSystemAffinityThreadEx(0x1);
+    ok(!mask, "Got unexpected mask %#lx.\n", mask);
+
+    KeRevertToUserAffinityThread();
+
+    mask = pKeSetSystemAffinityThreadEx(0x1);
+    ok(!mask, "Got unexpected mask %#lx.\n", mask);
+
+    KeRevertToUserAffinityThread();
 }
 
 static NTSTATUS main_test(DEVICE_OBJECT *device, IRP *irp, IO_STACK_LOCATION *stack)