diff options
Diffstat (limited to 'cpukit/posix/include/rtems/posix/mqueue.h')
| -rw-r--r-- | cpukit/posix/include/rtems/posix/mqueue.h | 210 |
1 files changed, 4 insertions, 206 deletions
diff --git a/cpukit/posix/include/rtems/posix/mqueue.h b/cpukit/posix/include/rtems/posix/mqueue.h index d6f370cbf8..1db54b1d1a 100644 --- a/cpukit/posix/include/rtems/posix/mqueue.h +++ b/cpukit/posix/include/rtems/posix/mqueue.h @@ -35,7 +35,10 @@ #include <mqueue.h> /* struct mq_attr */ #include <rtems/score/coremsg.h> #include <rtems/score/object.h> -#include <rtems/posix/posixapi.h> + +#ifdef __cplusplus +extern "C" { +#endif /** * @defgroup POSIX_MQUEUE_P Message Queues Private Support @@ -44,9 +47,6 @@ * */ /**@{**/ -#ifdef __cplusplus -extern "C" { -#endif /* * Data Structure used to manage a POSIX message queue @@ -68,208 +68,6 @@ typedef struct { int oflag; } POSIX_Message_queue_Control_fd; -/* - * The following defines the information control block used to manage - * this class of objects. The second item is used to manage the set - * of "file descriptors" associated with the message queues. - */ - -POSIX_EXTERN Objects_Information _POSIX_Message_queue_Information; -POSIX_EXTERN Objects_Information _POSIX_Message_queue_Information_fds; - -/** - * @brief Initialize message_queue manager related data structures. - * - * DESCRIPTION: - * - * This routine performs the initialization necessary for this manager. - * - * 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. - * - */ - -void _POSIX_Message_queue_Manager_initialization(void); - -/* - * - * _POSIX_Message_queue_Create_support - * - * DESCRIPTION: - * - * This routine performs the creation of a message queue utilizing the - * core message queue. - */ - -int _POSIX_Message_queue_Create_support( - const char *name, - size_t name_len, - int pshared, - struct mq_attr *attr, - POSIX_Message_queue_Control **message_queue -); - -/** - * @brief Delete a POSIX message queue. - * - * DESCRIPTION: - * - * This routine supports the mq_unlink and mq_close routines by - * doing most of the work involved with removing a message queue. - */ -void _POSIX_Message_queue_Delete( - POSIX_Message_queue_Control *the_mq -); - -/* - * @brief POSIX Message Queue Receive Support - * - * DESCRIPTION: - * - * This routine supports the various flavors of receiving a message. - * - * 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. - */ - -ssize_t _POSIX_Message_queue_Receive_support( - mqd_t mqdes, - char *msg_ptr, - size_t msg_len, - unsigned int *msg_prio, - bool wait, - Watchdog_Interval timeout -); - -/* - * _POSIX_Message_queue_Send_support - * - * DESCRIPTION: - * - * This routine posts a message to a specified message queue. - */ - -int _POSIX_Message_queue_Send_support( - mqd_t mqdes, - const char *msg_ptr, - size_t msg_len, - unsigned int msg_prio, - bool wait, - Watchdog_Interval timeout -); - -/* - * _POSIX_Message_queue_Allocate - * - * DESCRIPTION: - * - * This function allocates a message queue control block from - * the inactive chain of free message queue control blocks. - */ - -RTEMS_INLINE_ROUTINE POSIX_Message_queue_Control *_POSIX_Message_queue_Allocate( void ); - -/* - * _POSIX_Message_queue_Free - * - * DESCRIPTION: - * - * This routine frees a message queue control block to the - * inactive chain of free message queue control blocks. - */ - -RTEMS_INLINE_ROUTINE void _POSIX_Message_queue_Free ( - POSIX_Message_queue_Control *the_mq -); - -/* - * _POSIX_Message_queue_Get - * - * DESCRIPTION: - * - * This function maps message queue IDs to message queue control blocks. - * If ID corresponds to a local message queue, then it returns - * the_mq control pointer which maps to ID and location - * is set to OBJECTS_LOCAL. if the message queue ID is global and - * resides on a remote node, then location is set to OBJECTS_REMOTE, - * and the_message queue is undefined. Otherwise, location is set - * to OBJECTS_ERROR and the_mq is undefined. - */ - -RTEMS_INLINE_ROUTINE POSIX_Message_queue_Control *_POSIX_Message_queue_Get ( - Objects_Id id, - Objects_Locations *location -); - -/* - * _POSIX_Message_queue_Is_null - * - * DESCRIPTION: - * - * This function returns TRUE if the_message_queue is NULL and FALSE otherwise. - */ - -RTEMS_INLINE_ROUTINE bool _POSIX_Message_queue_Is_null ( - POSIX_Message_queue_Control *the_mq -); - -/* - * _POSIX_Message_queue_Priority_to_core - * - * DESCRIPTION: - * - * XXX - */ - -RTEMS_INLINE_ROUTINE CORE_message_queue_Submit_types _POSIX_Message_queue_Priority_to_core( - unsigned int priority -); - -/* - * _POSIX_Message_queue_Priority_from_core - * - * DESCRIPTION: - * - * XXX - */ - -RTEMS_INLINE_ROUTINE unsigned int _POSIX_Message_queue_Priority_from_core( - CORE_message_queue_Submit_types priority -); - -/* - * _POSIX_Message_queue_Translate_core_message_queue_return_code - * - * DESCRIPTION: - * - * XXX - */ - -int _POSIX_Message_queue_Translate_core_message_queue_return_code( - uint32_t the_message_queue_status -); - - -#include <rtems/posix/mqueue.inl> - /** @} */ #ifdef __cplusplus |