diff options
| -rw-r--r-- | src/thread/__lock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/thread/__lock.c b/src/thread/__lock.c index d1734096..5ba5dc5e 100644 --- a/src/thread/__lock.c +++ b/src/thread/__lock.c @@ -4,7 +4,7 @@ void __lock_2(volatile int *l) { if (!__syscall(SYS_futex, l, FUTEX_LOCK_PI, 0, 0)) return; - int old, tid = __pthread_self()->tid; + int old, tid = __pthread_self()->tid|INT_MIN; while ((old = a_cas(l, 0, tid))) { a_cas(l, old, old|INT_MIN); __syscall(SYS_futex, l, FUTEX_WAIT, old|INT_MIN, 0); |