OPAL_EVLOOP_NONBLOCK   50 opal/mca/event/external/external.h #define OPAL_EVLOOP_NONBLOCK EVLOOP_NONBLOCK    /**< Do not block. */
OPAL_EVLOOP_NONBLOCK   81 opal/mca/event/libevent2022/libevent2022.h #define OPAL_EVLOOP_NONBLOCK EVLOOP_NONBLOCK    /**< Do not block. */