Differential D12588 Diff 33698 head/sys/compat/linuxkpi/common/include/linux/random.h

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	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY			* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT			* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF			* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.			* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*			*
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef _LINUX_RANDOM_H_			#ifndef _LINUX_RANDOM_H_
	#define _LINUX_RANDOM_H_			#define _LINUX_RANDOM_H_

	#include <sys/random.h>			#include <sys/random.h>
	#include <sys/libkern.h>			#include <sys/libkern.h>

	static inline void			static inline void
	get_random_bytes(void *buf, int nbytes)			get_random_bytes(void *buf, int nbytes)
	{			{

	if (read_random(buf, nbytes) == 0)			if (read_random(buf, nbytes) == 0)
	arc4rand(buf, nbytes, 0);			arc4rand(buf, nbytes, 0);
				}

				static inline u_int
				get_random_int(void)
				{
				u_int val;

				get_random_bytes(&val, sizeof(val));
				return (val);
				}

				static inline u_long
				get_random_long(void)
				{
				u_long val;

				get_random_bytes(&val, sizeof(val));
				return (val);
	}			}

	#endif /* _LINUX_RANDOM_H_ */			#endif /* _LINUX_RANDOM_H_ */