1 files changed, 45 insertions, 0 deletions
diff --git a/src/pal/src/include/pal/critsect.h b/src/pal/src/include/pal/critsect.h
new file mode 100644
index 0000000000..50dea95bc5
--- /dev/null
+++ b/src/pal/src/include/pal/critsect.h
@@ -0,0 +1,45 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*++
+
+
+
+Module Name:
+
+    include/pal/critsect.h
+
+Abstract:
+    
+    Header file for the critical sections functions.
+    
+
+
+--*/
+
+#ifndef _PAL_CRITSECT_H_
+#define _PAL_CRITSECT_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif // __cplusplus
+
+VOID InternalInitializeCriticalSection(CRITICAL_SECTION *pcs);
+VOID InternalDeleteCriticalSection(CRITICAL_SECTION *pcs);
+
+/* The following PALCEnterCriticalSection and PALCLeaveCriticalSection
+   functions are intended to provide CorUnix's InternalEnterCriticalSection
+   and InternalLeaveCriticalSection functionalities to legacy C code,
+   which has no knowledge of CPalThread, classes and namespaces.
+*/
+VOID PALCEnterCriticalSection(CRITICAL_SECTION *pcs);
+VOID PALCLeaveCriticalSection(CRITICAL_SECTION *pcs);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif /* _PAL_CRITSECT_H_ */
+