- Assert that td_critnest > 0 in critical_exit() to catch cases of

unbalanced uses of the critical_* api.
2004-02-01 01:24:54 +00:00 · 2004-02-01 01:24:54 +00:00 · 6767c6547b
commit 6767c6547b
parent a5c2a55d93
1 changed files with 2 additions and 0 deletions
--- a/sys/kern/kern_switch.c
+++ b/sys/kern/kern_switch.c
@ -443,6 +443,8 @@ critical_exit(void)
 {
 	struct thread *td;

+	KASSERT(td->td_critnest > 0,
+	    ("critical_exit:  critnest < 0"));
 	td = curthread;
 	if (td->td_critnest == 1) {
 		td->td_critnest = 0;