Fix logic when using the umtx_*_err() functions. With these functions

a positive error value is returned, not -1.

diff --git a/lib/libthread_xu/thread/thr_umtx.c b/lib/libthread_xu/thread/thr_umtx.c
index 2b7b125..f8ff944 100644 (file)
--- a/lib/libthread_xu/thread/thr_umtx.c
+++ b/lib/libthread_xu/thread/thr_umtx.c
@@ -49,7 +49,7 @@ __thr_umtx_lock(volatile umtx_t *mtx, int timo)
                if (v == 2 || atomic_cmpset_acq_int(mtx, 1, 2)) {
                        if (timo == 0)
                                _umtx_sleep_err(mtx, 2, timo);
-                       else if ( (errval = _umtx_sleep_err(mtx, 2, timo)) != 0) {
+                       else if ( (errval = _umtx_sleep_err(mtx, 2, timo)) > 0) {
                                if (errval == EAGAIN) {
                                        if (atomic_cmpset_acq_int(mtx, 0, 2))
                                                ret = 0;
@@ -128,7 +128,7 @@ _thr_umtx_wait(volatile umtx_t *mtx, int exp, const struct timespec *timeout,
        return (0);
 
     if (timeout == NULL) {
-       while ( (errval = _umtx_sleep_err(mtx, exp, 10000000)) < 0) {
+       while ( (errval = _umtx_sleep_err(mtx, exp, 10000000)) > 0) {
            if (errval == EBUSY)
                break;
            if (errval == EINTR) {
@@ -162,7 +162,7 @@ _thr_umtx_wait(volatile umtx_t *mtx, int exp, const struct timespec *timeout,
        } else {
            timo = 1000000;
        }
-       if ( (errval = _umtx_sleep_err(mtx, exp, timo)) < 0) {
+       if ( (errval = _umtx_sleep_err(mtx, exp, timo)) > 0) {
            if (errval == EBUSY) {
                ret = 0;
                break;