diff options
Diffstat (limited to 'c/src/exec/posix/src/mqueuesendsupp.c')
| -rw-r--r-- | c/src/exec/posix/src/mqueuesendsupp.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/c/src/exec/posix/src/mqueuesendsupp.c b/c/src/exec/posix/src/mqueuesendsupp.c deleted file mode 100644 index b3f249638c..0000000000 --- a/c/src/exec/posix/src/mqueuesendsupp.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * 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. - * - * $Id$ - */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#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/seterr.h> -#include <rtems/posix/mqueue.h> -#include <rtems/posix/time.h> - - -/*PAGE - * - * _POSIX_Message_queue_Send_support - */ - -int _POSIX_Message_queue_Send_support( - mqd_t mqdes, - const char *msg_ptr, - unsigned32 msg_len, - unsigned32 msg_prio, - Watchdog_Interval timeout -) -{ - POSIX_Message_queue_Control *the_mq; - POSIX_Message_queue_Control_fd *the_mq_fd; - Objects_Locations location; - CORE_message_queue_Status msg_status; - - /* - * Validate the priority. - * XXX - Do not validate msg_prio is not less than 0. - */ - - if ( msg_prio > MQ_PRIO_MAX ) - rtems_set_errno_and_return_minus_one( EINVAL ); - - the_mq_fd = _POSIX_Message_queue_Get_fd( mqdes, &location ); - switch ( location ) { - case OBJECTS_ERROR: - rtems_set_errno_and_return_minus_one( EBADF ); - - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - rtems_set_errno_and_return_minus_one( EINVAL ); - - case OBJECTS_LOCAL: - if ( (the_mq_fd->oflag & O_ACCMODE) == O_RDONLY ) { - _Thread_Enable_dispatch(); - rtems_set_errno_and_return_minus_one( EBADF ); - } - - the_mq = the_mq_fd->Queue; - - msg_status = _CORE_message_queue_Submit( - &the_mq->Message_queue, - (void *) msg_ptr, - msg_len, - mqdes, /* mqd_t is an object id */ -#if defined(RTEMS_MULTIPROCESSING) - NULL, /* XXX _POSIX_Message_queue_Core_message_queue_mp_support*/ -#else - NULL, -#endif - _POSIX_Message_queue_Priority_to_core( msg_prio ), - (the_mq_fd->oflag & O_NONBLOCK) ? FALSE : TRUE, - timeout /* no timeout */ - ); - - _Thread_Enable_dispatch(); - - /* - * If we had to block, then this is where the task returns - * after it wakes up. The returned status is correct for - * non-blocking operations but if we blocked, then we need - * to look at the status in our TCB. - */ - - if ( msg_status == CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED_WAIT ) - msg_status = _Thread_Executing->Wait.return_code; - - if ( !msg_status ) - return msg_status; - - rtems_set_errno_and_return_minus_one( - _POSIX_Message_queue_Translate_core_message_queue_return_code( - msg_status - ) - ); - } - return POSIX_BOTTOM_REACHED(); -} |