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authorIan Moffett <ian@osmora.org>2025-05-27 01:38:26 -0400
committerIan Moffett <ian@osmora.org>2025-05-27 01:38:26 -0400
commit4d423137ba180d252088c3925587057abd02d084 (patch)
treea434afbd370bdefd04c762fe50b403f064dcedbc
parentbc883188afb45dec4a3319ae05ebf6caab70f13a (diff)
kernel: sched: Don't switch on PID 0
Signed-off-by: Ian Moffett <ian@osmora.org>
-rw-r--r--sys/kern/kern_sched.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/kern/kern_sched.c b/sys/kern/kern_sched.c
index 756b44b..2fe0f32 100644
--- a/sys/kern/kern_sched.c
+++ b/sys/kern/kern_sched.c
@@ -190,6 +190,9 @@ sched_switch(struct trapframe *tf)
td = ci->curtd;
if (td != NULL) {
+ if (td->pid == 0)
+ return;
+
dispatch_signals(td);
td_pri_update(td);
sched_save_td(td, tf);