2 files changed, 3 insertions(+), 0 deletions(-)

M pc/fns.h
M port/taslock.c

@@ 131,6 131,7 @@ void	touser(void*);
 void	trapenable(int, void (*)(Ureg*, void*), void*, char*);
 void	trapinit(void);
 int	tas(void*);
+uvlong	tscticks(uvlong*);
 ulong	umbmalloc(ulong, int, int);
 void	umbfree(ulong, int);
 ulong	umbrwmalloc(ulong, int, int);

@@ 182,6 182,8 @@ iunlock(Lock *l)
 		print("iunlock: not locked: pc %luX\n", getcallerpc(&l));
 	if(!l->isilock)
 		print("iunlock of lock: pc %lux, held by %lux\n", getcallerpc(&l), l->pc);
+	if(islo())
+		print("iunlock while lo: pc %lux, held by %lux\n", getcallerpc(&l), l->pc);
 
 	sr = l->sr;
 	l->key = 0;