55#if defined(_POSIX_MESSAGE_PASSING)
80typedef uint32_t mqd_t;
142 unsigned int msg_prio
145#if defined(_POSIX_TIMEOUTS)
158 unsigned int msg_prio,
159 const struct timespec *abstime
175 unsigned int *msg_prio
178#if defined(_POSIX_TIMEOUTS)
180ssize_t mq_timedreceive(
182 char *__restrict msg_ptr,
184 unsigned int *__restrict msg_prio,
185 const struct timespec *__restrict abstime
190#if defined(_POSIX_REALTIME_SIGNALS)
200 const struct sigevent *notification
212 const struct mq_attr *__restrict mqstat,
213 struct mq_attr *__restrict omqstat
222 struct mq_attr *mqstat