git: 9289c1f6f151 - main - LinuxKPI: Add get_random_u32_below function
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Mon, 08 Apr 2024 06:49:12 UTC
The branch main has been updated by wulf:
URL: https://cgit.FreeBSD.org/src/commit/?id=9289c1f6f1514e714b17026c50ec09282f079cba
commit 9289c1f6f1514e714b17026c50ec09282f079cba
Author: Vladimir Kondratyev <wulf@FreeBSD.org>
AuthorDate: 2024-04-08 06:47:42 +0000
Commit: Vladimir Kondratyev <wulf@FreeBSD.org>
CommitDate: 2024-04-08 06:47:42 +0000
LinuxKPI: Add get_random_u32_below function
get_random_u32_below returns a random integer in the interval [0, ceil),
with uniform distribution.
Sponsored by: Serenity CyberSecurity, LLC
Reviewed by: emaste
MFC after: 1 week
---
sys/compat/linuxkpi/common/include/linux/random.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sys/compat/linuxkpi/common/include/linux/random.h b/sys/compat/linuxkpi/common/include/linux/random.h
index e87d4412ea4e..808c5bc55974 100644
--- a/sys/compat/linuxkpi/common/include/linux/random.h
+++ b/sys/compat/linuxkpi/common/include/linux/random.h
@@ -96,6 +96,12 @@ get_random_u64(void)
return (val);
}
+static inline uint32_t
+get_random_u32_below(uint32_t max)
+{
+ return (arc4random_uniform(max));
+}
+
static __inline uint32_t
prandom_u32(void)
{