Alexandre Julliard : krnl386: Don't release the Win16 lock when exiting a task.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: aa7a0f5198a98ff02d588ad934b47988fa1f3149
URL:    https://gitlab.winehq.org/wine/wine/-/commit/aa7a0f5198a98ff02d588ad934b4798...

Author: Alexandre Julliard 
Date:   Thu Dec 14 13:24:12 2023 +0100

krnl386: Don't release the Win16 lock when exiting a task.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54402

---

dlls/krnl386.exe16/interrupts.c | 3 ---
 dlls/krnl386.exe16/task.c       | 9 +--------
 2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/dlls/krnl386.exe16/interrupts.c b/dlls/krnl386.exe16/interrupts.c
index 23c12f2a244..e062b497853 100644
--- a/dlls/krnl386.exe16/interrupts.c
+++ b/dlls/krnl386.exe16/interrupts.c
@@ -96,9 +96,6 @@ static void WINAPI DOSVM_DefaultHandler( CONTEXT *context )
  */
 void DOSVM_Exit( WORD retval )
 {
-    DWORD count;
-
-    ReleaseThunkLock( &count );
     ExitThread( retval );
 }

diff --git a/dlls/krnl386.exe16/task.c b/dlls/krnl386.exe16/task.c
index 54d7a4c64ee..534b912e884 100644
--- a/dlls/krnl386.exe16/task.c
+++ b/dlls/krnl386.exe16/task.c
@@ -549,15 +549,8 @@ void TASK_ExitTask(void)
     TDB *pTask;
     DWORD lockCount;

-    /* Enter the Win16Lock to protect global data structures */
-    _EnterWin16Lock();
-
     pTask = TASK_GetCurrent();
-    if ( !pTask )
-    {
-        _LeaveWin16Lock();
-        return;
-    }
+    if (!pTask) return;

TRACE("Killing task %04x\n", pTask->hSelf );