X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=reactos%2Fsubsystems%2Fwin32%2Fwin32k%2Feng%2Fsemaphor.c;h=ce9780fc0bfc24bcf721c3c96a9658b2c2d68760;hp=d09d4c9022b28c4de9f40c39dbee5b72bd063e88;hb=684c3d3791b92777e7de259fbc6691161f6808c7;hpb=f5258132f4eef483cce5491037d4383f958ce1a2

diff --git a/reactos/subsystems/win32/win32k/eng/semaphor.c b/reactos/subsystems/win32/win32k/eng/semaphor.c
index d09d4c9022b..ce9780fc0bf 100644
--- a/reactos/subsystems/win32/win32k/eng/semaphor.c
+++ b/reactos/subsystems/win32/win32k/eng/semaphor.c
@@ -69,6 +69,19 @@ EngReleaseSemaphore ( IN HSEMAPHORE hsem )
   IntGdiReleaseSemaphore ( hsem );
 }
 
+VOID
+NTAPI
+EngAcquireSemaphoreShared(
+    IN HSEMAPHORE hsem)
+{
+    PTHREADINFO pti;
+
+    ASSERT(hsem);
+    ExEnterCriticalRegionAndAcquireResourceShared((PERESOURCE)hsem);
+    pti = PsGetThreadWin32Thread(PsGetCurrentThread());
+    if (pti) ++pti->dwEngAcquireCount;
+}
+
 /*
  * @implemented
  */