diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index be886cd07..947ad91bc 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -963,11 +963,18 @@
     <alloc init="true">CreateEventEx</alloc>
     <alloc init="true">CreateMutex</alloc>
     <alloc init="true">CreateSemaphore</alloc>
+    <alloc init="true">CreateSemaphoreA</alloc>
+    <alloc init="true">CreateSemaphoreW</alloc>
+    <alloc init="true">CreateSemaphoreEx</alloc>
+    <alloc init="true">CreateSemaphoreExA</alloc>
+    <alloc init="true">CreateSemaphoreExW</alloc>
     <alloc init="true">CreateTimerQueue</alloc>
     <alloc init="true">CreateWaitableTimer</alloc>
     <alloc init="true">OpenEvent</alloc>
     <alloc init="true">OpenMutex</alloc>
     <alloc init="true">OpenSemaphore</alloc>
+    <alloc init="true">OpenSemaphoreA</alloc>
+    <alloc init="true">OpenSemaphoreW</alloc>
     <alloc init="true">OpenWaitableTimer</alloc>
     <alloc init="true">OpenJobObject</alloc>
     <alloc init="true">OpenProcess</alloc>
@@ -3941,6 +3948,103 @@ HFONT CreateFont(
       <strz/>
     </arg>
   </function>
+  <!--HANDLE WINAPI CreateSemaphore(
+  _In_opt_ LPSECURITY_ATTRIBUTES lpSemaphoreAttributes,
+  _In_     LONG                  lInitialCount,
+  _In_     LONG                  lMaximumCount,
+  _In_opt_ LPCTSTR               lpName);-->
+  <function name="CreateSemaphore,CreateSemaphoreA,CreateSemaphoreW">
+    <returnValue type="HANDLE"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+      <valid>1:</valid>
+    </arg>
+    <arg nr="4">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!--HANDLE WINAPI CreateSemaphoreEx(
+  _In_opt_   LPSECURITY_ATTRIBUTES lpSemaphoreAttributes,
+  _In_       LONG                  lInitialCount,
+  _In_       LONG                  lMaximumCount,
+  _In_opt_   LPCTSTR               lpName,
+  _Reserved_ DWORD                 dwFlags,
+  _In_       DWORD                 dwDesiredAccess);-->
+  <function name="CreateSemaphoreEx,CreateSemaphoreExA,CreateSemaphoreExW">
+    <returnValue type="HANDLE"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+      <valid>1:</valid>
+    </arg>
+    <arg nr="4">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+    <arg nr="5">
+      <not-uninit/>
+      <!-- dwFlags is reserved and must be 0 -->
+      <valid>0</valid>
+    </arg>
+    <arg nr="6">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!--HANDLE WINAPI OpenSemaphore(
+  _In_ DWORD   dwDesiredAccess,
+  _In_ BOOL    bInheritHandle,
+  _In_ LPCTSTR lpName);-->
+  <function name="OpenSemaphore,OpenSemaphoreA,OpenSemaphoreW">
+    <returnValue type="HANDLE"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+      <not-null/>
+      <not-bool/>
+      <strz/>
+    </arg>
+  </function>
+  <!--BOOL WINAPI ReleaseSemaphore(
+  _In_      HANDLE hSemaphore,
+  _In_      LONG   lReleaseCount,
+  _Out_opt_ LPLONG lpPreviousCount);-->
+  <function name="ReleaseSemaphore">
+    <returnValue type="BOOL"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+      <not-bool/>
+      <valid>1:</valid>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
   <podtype name="LARGE_INTEGER" sign="s" size="8"/>
   <podtype name="POINTER_SIGNED" sign="s"/>
   <podtype name="POINTER_UNSIGNED" sign="u"/>