ntdll: Get rid of the num_async_io counter in the TEB.

dlls/ntdll/file.c

@@ -645,7 +645,6 @@ NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
             SERVER_END_REQ;
 
             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
-            else NtCurrentTeb()->num_async_io++;
             goto done;
         }
         else  /* synchronous read, wait for the fd to become ready */
@@ -878,7 +877,6 @@ NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
             SERVER_END_REQ;
 
             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
-            else NtCurrentTeb()->num_async_io++;
             goto done;
         }
         else  /* synchronous write, wait for the fd to become ready */

dlls/ntdll/sync.c

@@ -671,8 +671,6 @@ static BOOL invoke_apc( const apc_call_t *call, apc_result_t *result )
         result->async_io.status = call->async_io.func( call->async_io.user,
                                                        call->async_io.sb,
                                                        call->async_io.status );
-        if (result->async_io.status != STATUS_PENDING)
-            NtCurrentTeb()->num_async_io--;
         break;
     case APC_VIRTUAL_ALLOC:
         result->type = call->type;
@@ -973,13 +971,10 @@ NTSTATUS WINAPI NtYieldExecution(void)
  */
 NTSTATUS WINAPI NtDelayExecution( BOOLEAN alertable, const LARGE_INTEGER *timeout )
 {
-    /* if alertable or async I/O in progress, we need to query the server */
-    if (alertable || NtCurrentTeb()->num_async_io)
-    {
-        UINT flags = SELECT_INTERRUPTIBLE;
-        if (alertable) flags |= SELECT_ALERTABLE;
-        return NTDLL_wait_for_multiple_objects( 0, NULL, flags, timeout, 0 );
-    }
+    /* if alertable, we need to query the server */
+    if (alertable)
+        return NTDLL_wait_for_multiple_objects( 0, NULL, SELECT_INTERRUPTIBLE | SELECT_ALERTABLE,
+                                                timeout, 0 );
 
     if (!timeout || timeout->QuadPart == TIMEOUT_INFINITE)  /* sleep forever */
     {

dlls/ws2_32/socket.c

@@ -135,7 +135,6 @@
 #include "wsipx.h"
 #include "winnt.h"
 #include "iphlpapi.h"
-#include "thread.h"
 #include "wine/server.h"
 #include "wine/debug.h"
 #include "wine/unicode.h"
@@ -1328,11 +1327,6 @@ static int WS2_register_async_shutdown( SOCKET s, int type )
         HeapFree( GetProcessHeap(), 0, wsa );
         return NtStatusToWSAError( status );
     }
-    else
-        NtCurrentTeb()->num_async_io++;
-
-    /* Try immediate completion */
-    Sleep(0);
     return 0;
 }
 
@@ -2681,11 +2675,7 @@ INT WINAPI WSASendTo( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
             }
             SERVER_END_REQ;
 
-            if (err == STATUS_PENDING)
-                NtCurrentTeb()->num_async_io++;
-            else
-                HeapFree( GetProcessHeap(), 0, wsa );
-
+            if (err != STATUS_PENDING) HeapFree( GetProcessHeap(), 0, wsa );
             WSASetLastError( NtStatusToWSAError( err ));
             return SOCKET_ERROR;
         }
@@ -4206,11 +4196,7 @@ INT WINAPI WSARecvFrom( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
                 }
                 SERVER_END_REQ;
 
-                if (err == STATUS_PENDING)
-                    NtCurrentTeb()->num_async_io++;
-                else
-                    HeapFree( GetProcessHeap(), 0, wsa );
-
+                if (err != STATUS_PENDING) HeapFree( GetProcessHeap(), 0, wsa );
                 WSASetLastError( NtStatusToWSAError( err ));
                 return SOCKET_ERROR;
             }

include/thread.h

@@ -53,11 +53,10 @@ typedef struct _TEB
     PVOID        SystemReserved2[10];          /* 1d4 */
 
     /* The following are Wine-specific fields (NT: GdiTebBatch) */
-    DWORD        num_async_io;        /* 1fc number of pending async I/O in the server */
-    ULONG_PTR    dpmi_vif;            /* 200 protected mode virtual interrupt flag */
-    DWORD        vm86_pending;        /* 204 data for vm86 mode */
+    DWORD        dpmi_vif;            /* 1fc protected mode virtual interrupt flag */
+    ULONG_PTR    vm86_pending;        /* 200 data for vm86 mode */
     /* here is plenty space for wine specific fields (don't forget to change pad6!!) */
-    DWORD        pad6[309];           /* 208 */
+    DWORD        pad6[310];           /* 204 */
 
     ULONG        gdiRgn;                     /* 6dc */
     ULONG        gdiPen;                     /* 6e0 */