diff options
Diffstat (limited to 'src/thread/__wait.c')
| -rw-r--r-- | src/thread/__wait.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/thread/__wait.c b/src/thread/__wait.c index a1e47804..ec1e8206 100644 --- a/src/thread/__wait.c +++ b/src/thread/__wait.c @@ -3,13 +3,15 @@ void __wait(volatile int *addr, volatile int *waiters, int val, int priv) { int spins=10000; - if (priv) priv = 128; priv=0; + if (priv) priv = 128; while (spins--) { if (*addr==val) a_spin(); else return; } if (waiters) a_inc(waiters); - while (*addr==val) - __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0); + while (*addr==val) { + __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0) != -EINVAL + || __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0); + } if (waiters) a_dec(waiters); } |