From 34bf81582286a0e30f132b7f974061ce574eeb12 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Sun, 21 Mar 1999 08:36:55 +0000
Subject: [PATCH] Got rid of SYSTEM_LOCK macros.

---
 include/heap.h    |  9 ---------
 memory/heap.c     |  7 +------
 relay32/utthunk.c |  8 ++++----
 windows/queue.c   | 19 +++++++++----------
 4 files changed, 14 insertions(+), 29 deletions(-)

diff --git a/include/heap.h b/include/heap.h
index 9b66825cc4c..bb7d180e017 100644
--- a/include/heap.h
+++ b/include/heap.h
@@ -11,7 +11,6 @@
 
 extern HANDLE SystemHeap;
 extern HANDLE SegptrHeap;
-extern CRITICAL_SECTION *HEAP_SystemLock;
 
 extern int HEAP_IsInsideHeap( HANDLE heap, DWORD flags, LPCVOID ptr );
 extern SEGPTR HEAP_GetSegptr( HANDLE heap, DWORD flags, LPCVOID ptr );
@@ -39,14 +38,6 @@ static __inline__ SEGPTR WINE_UNUSED SEGPTR_Get(LPCVOID ptr) {
 #define SEGPTR_FREE(ptr) \
          (HIWORD(ptr) ? HeapFree( SegptrHeap, 0, (ptr) ) : 0)
 
-/* System heap locking macros */
-
-#define SYSTEM_LOCK()       (EnterCriticalSection(HEAP_SystemLock))
-#define SYSTEM_UNLOCK()     (LeaveCriticalSection(HEAP_SystemLock))
-/* Use this one only when you own the lock! */
-#define SYSTEM_LOCK_COUNT() (HEAP_SystemLock->RecursionCount)
-
-
 typedef struct
 {
     LPVOID lpData;
diff --git a/memory/heap.c b/memory/heap.c
index 6b00960c255..e6b195d195b 100644
--- a/memory/heap.c
+++ b/memory/heap.c
@@ -97,7 +97,6 @@ typedef struct tagHEAP
 
 HANDLE SystemHeap = 0;
 HANDLE SegptrHeap = 0;
-CRITICAL_SECTION *HEAP_SystemLock = NULL;
 
 
 /***********************************************************************
@@ -508,12 +507,8 @@ static BOOL HEAP_InitSubHeap( HEAP *heap, LPVOID address, DWORD flags,
         /* Initialize critical section */
 
         InitializeCriticalSection( &heap->critSection );
-        if (!SystemHeap)
-        {
-            HEAP_SystemLock = &heap->critSection;
-            /* System heap critical section has to be global */
+        if (!SystemHeap) /* System heap critical section has to be global */
             MakeCriticalSectionGlobal( &heap->critSection );
-        }
     }
  
     /* Create the first free block */
diff --git a/relay32/utthunk.c b/relay32/utthunk.c
index 4a034d5731e..18b0ed01ed7 100644
--- a/relay32/utthunk.c
+++ b/relay32/utthunk.c
@@ -216,12 +216,12 @@ BOOL WINAPI UTRegister( HMODULE hModule, LPSTR lpsz16BITDLL,
 
     /* Allocate UTINFO struct */
 
-    SYSTEM_LOCK();
+    HeapLock( SegptrHeap );  /* FIXME: a bit overkill */
     if ( (ut = UTFind( hModule )) != NULL )
         ut = NULL;
     else
         ut = UTAlloc( hModule, hModule16, target16, pfnUT32CallBack );
-    SYSTEM_UNLOCK();
+    HeapUnlock( SegptrHeap );
 
     if ( !ut )
     {
@@ -261,14 +261,14 @@ VOID WINAPI UTUnRegister( HMODULE hModule )
     UTINFO *ut;
     HMODULE16 hModule16 = 0;
 
-    SYSTEM_LOCK();
+    HeapLock( SegptrHeap );  /* FIXME: a bit overkill */
     ut = UTFind( hModule );
     if ( !ut )
     {
         hModule16 = ut->hModule16;
         UTFree( ut );
     }
-    SYSTEM_UNLOCK();
+    HeapUnlock( SegptrHeap );
 
     if ( hModule16 ) 
         FreeLibrary16( hModule16 );
diff --git a/windows/queue.c b/windows/queue.c
index 73392cbbaf7..a8ef93f4555 100644
--- a/windows/queue.c
+++ b/windows/queue.c
@@ -305,17 +305,16 @@ MESSAGEQUEUE *QUEUE_Lock( HQUEUE16 hQueue )
 {
     MESSAGEQUEUE *queue;
 
-    SYSTEM_LOCK();
+    HeapLock( SystemHeap );  /* FIXME: a bit overkill */
     queue = GlobalLock16( hQueue );
     if ( !queue || (queue->magic != QUEUE_MAGIC) )
     {
-        SYSTEM_UNLOCK();
+        HeapUnlock( SystemHeap );
         return NULL;
     }
 
     queue->lockCount++;
-    SYSTEM_UNLOCK();
-
+    HeapUnlock( SystemHeap );
     return queue;
 }
 
@@ -330,7 +329,7 @@ void QUEUE_Unlock( MESSAGEQUEUE *queue )
 {
     if (queue)
     {
-        SYSTEM_LOCK();
+        HeapLock( SystemHeap );  /* FIXME: a bit overkill */
 
         if ( --queue->lockCount == 0 )
         {
@@ -340,7 +339,7 @@ void QUEUE_Unlock( MESSAGEQUEUE *queue )
             GlobalFree16( queue->self );
         }
     
-        SYSTEM_UNLOCK();
+        HeapUnlock( SystemHeap );
     }
 }
 
@@ -547,7 +546,7 @@ BOOL QUEUE_DeleteMsgQueue( HQUEUE16 hQueue )
     /* flush sent messages */
     QUEUE_FlushMessages( msgQueue );
 
-    SYSTEM_LOCK();
+    HeapLock( SystemHeap );  /* FIXME: a bit overkill */
 
     /* Release per queue data if present */
     if ( msgQueue->pQData )
@@ -575,7 +574,7 @@ BOOL QUEUE_DeleteMsgQueue( HQUEUE16 hQueue )
     if (pPrev && *pPrev) *pPrev = msgQueue->next;
     msgQueue->self = 0;
 
-    SYSTEM_UNLOCK();
+    HeapUnlock( SystemHeap );
 
     /* free up resource used by MESSAGEQUEUE strcture */
     msgQueue->lockCount--;
@@ -1401,13 +1400,13 @@ HQUEUE16 WINAPI InitThreadInput16( WORD unknown, WORD flags )
         queuePtr = (MESSAGEQUEUE *)QUEUE_Lock( hQueue );
         queuePtr->thdb = THREAD_Current();
 
-        SYSTEM_LOCK();
+        HeapLock( SystemHeap );  /* FIXME: a bit overkill */
         SetThreadQueue16( 0, hQueue );
         thdb->teb.queue = hQueue;
             
         queuePtr->next  = hFirstQueue;
         hFirstQueue = hQueue;
-        SYSTEM_UNLOCK();
+        HeapUnlock( SystemHeap );
         
         QUEUE_Unlock( queuePtr );
     }