diff options
Diffstat (limited to 'cpukit/posix/src/mqueuetimedreceive.c')
-rw-r--r-- | cpukit/posix/src/mqueuetimedreceive.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/cpukit/posix/src/mqueuetimedreceive.c b/cpukit/posix/src/mqueuetimedreceive.c new file mode 100644 index 0000000000..7c523faa1d --- /dev/null +++ b/cpukit/posix/src/mqueuetimedreceive.c @@ -0,0 +1,54 @@ +/* + * NOTE: The structure of the routines is identical to that of POSIX + * Message_queues to leave the option of having unnamed message + * queues at a future date. They are currently not part of the + * POSIX standard but unnamed message_queues are. This is also + * the reason for the apparently unnecessary tracking of + * the process_shared attribute. [In addition to the fact that + * it would be trivial to add pshared to the mq_attr structure + * and have process private message queues.] + * + * This code ignores the O_RDONLY/O_WRONLY/O_RDWR flag at open + * time. + * + * $Id$ + */ + +#include <stdarg.h> + +#include <pthread.h> +#include <limits.h> +#include <errno.h> +#include <fcntl.h> +#include <mqueue.h> + +#include <rtems/system.h> +#include <rtems/score/watchdog.h> +#include <rtems/posix/seterr.h> +#include <rtems/posix/mqueue.h> +#include <rtems/posix/time.h> + +/*PAGE + * + * 15.2.5 Receive a Message From a Message Queue, P1003.1b-1993, p. 279 + * + * NOTE: P1003.4b/D8, p. 45 adds mq_timedreceive(). + */ + +int mq_timedreceive( /* XXX: should this be ssize_t */ + mqd_t mqdes, + char *msg_ptr, + size_t msg_len, + unsigned int *msg_prio, + const struct timespec *timeout +) +{ + return _POSIX_Message_queue_Receive_support( + mqdes, + msg_ptr, + msg_len, + msg_prio, + _POSIX_Timespec_to_interval( timeout ) + ); +} + |