__wait.c: fix a timeout (#361)

Note: The typical symptom of this bug is a busy waiting on a lock.

Note: 0 means immediate timeout. a negative value means no timeout.

diff --git a/libc-top-half/musl/src/thread/__wait.c b/libc-top-half/musl/src/thread/__wait.c
index c0e4aac796cfd6cf4d5b2eda977246f01109e097..7ffa9872d954e748225bf26ac5e6d9a83bfc8fe1 100644 (file)
--- a/libc-top-half/musl/src/thread/__wait.c
+++ b/libc-top-half/musl/src/thread/__wait.c
@@ -48,7 +48,7 @@ void __wait(volatile int *addr, volatile int *waiters, int val, int priv)
                __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0) != -ENOSYS
                || __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0);
 #else
-               __wasilibc_futex_wait(addr, FUTEX_WAIT, val, 0);
+               __wasilibc_futex_wait(addr, FUTEX_WAIT, val, -1);
 #endif
        }
        if (waiters) a_dec(waiters);