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authorFrans Kaashoek <kaashoek@mit.edu>2022-09-14 11:44:10 -0400
committerFrans Kaashoek <kaashoek@mit.edu>2022-09-14 11:44:10 -0400
commit5bf29abfc84c057293e55be5cd5a136b7f993fdb (patch)
tree76a1ad1e3f0dc56c0d2c685069d74e1bd6f0f9af /kernel
parent97223ed907bf489fd051742b0e722b1a4eb5912f (diff)
parent4b46c0c6eb464782faa36d158246ba4e3238c970 (diff)
downloadxv6-labs-2022-5bf29abfc84c057293e55be5cd5a136b7f993fdb.tar.xz
xv6-labs-2022-5bf29abfc84c057293e55be5cd5a136b7f993fdb.zip
Merge branch 'riscv' into syscall
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sysproc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sysproc.c b/kernel/sysproc.c
index 1de184e..3b4d5bd 100644
--- a/kernel/sysproc.c
+++ b/kernel/sysproc.c
@@ -55,6 +55,8 @@ sys_sleep(void)
uint ticks0;
argint(0, &n);
+ if(n < 0)
+ n = 0;
acquire(&tickslock);
ticks0 = ticks;
while(ticks - ticks0 < n){