diff options
Diffstat (limited to 'src/pkg/runtime/lock_futex.c')
| -rw-r--r-- | src/pkg/runtime/lock_futex.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/pkg/runtime/lock_futex.c b/src/pkg/runtime/lock_futex.c index b4465bff1..9b1f5f6db 100644 --- a/src/pkg/runtime/lock_futex.c +++ b/src/pkg/runtime/lock_futex.c @@ -111,7 +111,8 @@ runtime·noteclear(Note *n) void runtime·notewakeup(Note *n) { - runtime·xchg(&n->key, 1); + if(runtime·xchg(&n->key, 1)) + runtime·throw("notewakeup - double wakeup"); runtime·futexwakeup(&n->key, 1); } |