diff --git a/common/os_calls.c b/common/os_calls.c
index b9e0af37..e3e157a6 100644
--- a/common/os_calls.c
+++ b/common/os_calls.c
@@ -2510,6 +2510,50 @@ g_file_get_size(const char *filename)
 #endif
 }
 
+/*****************************************************************************/
+/* returns device number, -1 on error */
+int
+g_file_get_device_number(const char *filename)
+{
+#if defined(_WIN32)
+    return -1;
+#else
+    struct stat st;
+
+    if (stat(filename, &st) == 0)
+    {
+        return (int)(st.st_dev);
+    }
+    else
+    {
+        return -1;
+    }
+
+#endif
+}
+
+/*****************************************************************************/
+/* returns inode number, -1 on error */
+int
+g_file_get_inode_num(const char *filename)
+{
+#if defined(_WIN32)
+    return -1;
+#else
+    struct stat st;
+
+    if (stat(filename, &st) == 0)
+    {
+        return (int)(st.st_ino);
+    }
+    else
+    {
+        return -1;
+    }
+
+#endif
+}
+
 /*****************************************************************************/
 long
 g_load_library(char *in)
diff --git a/common/os_calls.h b/common/os_calls.h
index 811c16f8..82689fa1 100644
--- a/common/os_calls.h
+++ b/common/os_calls.h
@@ -128,6 +128,8 @@ int      g_create_path(const char *path);
 int      g_remove_dir(const char *dirname);
 int      g_file_delete(const char *filename);
 int      g_file_get_size(const char *filename);
+int      g_file_get_device_number(const char *filename);
+int      g_file_get_inode_num(const char *filename);
 long     g_load_library(char *in);
 int      g_free_library(long lib);
 void    *g_get_proc_address(long lib, const char *name);