pthread_spin_trylock 159 oshmem/mca/spml/ucx/spml_ucx_component.c if (pthread_spin_trylock(&mca_spml_ucx.async_lock)) { pthread_spin_trylock 173 oshmem/mca/spml/ucx/spml_ucx_component.c if (pthread_spin_trylock(&mca_spml_ucx.async_lock)) {