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-rw-r--r--cpukit/include/machine/_kernel_param.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/cpukit/include/machine/_kernel_param.h b/cpukit/include/machine/_kernel_param.h
index dcdd49d467..bda6008822 100644
--- a/cpukit/include/machine/_kernel_param.h
+++ b/cpukit/include/machine/_kernel_param.h
@@ -3,11 +3,14 @@
/**
* @file
*
- * @brief
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
+ * @brief This header file provides parameter definitions for the kernel space
+ * (_KERNEL is defined before including <sys/param.h>).
*/
/*
- * Copyright (C) 2017 embedded brains Gmbh (http://www.embedded-brains.de)
+ * Copyright (C) 2017 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -36,6 +39,8 @@
#include <sys/time.h>
#include <sys/priority.h>
+#if defined(_SYS_PARAM_H_) && defined(_KERNEL)
+
#ifndef FALSE
#define FALSE 0
#endif
@@ -60,3 +65,7 @@ __END_DECLS
#define ntohl(x) __ntohl(x)
#define ntohs(x) __ntohs(x)
#endif /* !_BYTEORDER_FUNC_DEFINED */
+
+#else /* !_SYS_PARAM_H_ || !_KERNEL */
+#error "must be included via <sys/param.h> in kernel space"
+#endif /* _SYS_PARAM_H_ && _KERNEL */