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author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2002-07-22 09:46:48 +0000 |
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committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2002-07-22 09:46:48 +0000 |
commit | 2b3e9d9b244e279ef5693a7cf5dacc7903164af5 (patch) | |
tree | 955e5242d4d08a8ec747c8350f55003bb9d4b519 /c/src/exec/posix/src/mqueuerecvsupp.c | |
parent | Remove everything. (diff) | |
download | rtems-2b3e9d9b244e279ef5693a7cf5dacc7903164af5.tar.bz2 |
Remove, moved to cpukit.
Diffstat (limited to '')
-rw-r--r-- | c/src/exec/posix/src/mqueuerecvsupp.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/c/src/exec/posix/src/mqueuerecvsupp.c b/c/src/exec/posix/src/mqueuerecvsupp.c deleted file mode 100644 index 11d8fbc50c..0000000000 --- a/c/src/exec/posix/src/mqueuerecvsupp.c +++ /dev/null @@ -1,108 +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_Receive_support - * - * NOTE: XXX Document how size, priority, length, and the buffer go - * through the layers. - */ - -ssize_t _POSIX_Message_queue_Receive_support( - mqd_t mqdes, - char *msg_ptr, - size_t msg_len, - unsigned int *msg_prio, - Watchdog_Interval timeout -) -{ - POSIX_Message_queue_Control *the_mq; - POSIX_Message_queue_Control_fd *the_mq_fd; - Objects_Locations location; - unsigned32 length_out; - - 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_WRONLY ) { - _Thread_Enable_dispatch(); - rtems_set_errno_and_return_minus_one( EBADF ); - } - - the_mq = the_mq_fd->Queue; - - if ( msg_len < the_mq->Message_queue.maximum_message_size ) { - _Thread_Enable_dispatch(); - rtems_set_errno_and_return_minus_one( EMSGSIZE ); - } - - /* - * Now if something goes wrong, we return a "length" of -1 - * to indicate an error. - */ - - length_out = -1; - - _CORE_message_queue_Seize( - &the_mq->Message_queue, - mqdes, - msg_ptr, - &length_out, - (the_mq_fd->oflag & O_NONBLOCK) ? FALSE : TRUE, - timeout - ); - - _Thread_Enable_dispatch(); - *msg_prio = - _POSIX_Message_queue_Priority_from_core(_Thread_Executing->Wait.count); - - if ( !_Thread_Executing->Wait.return_code ) - return length_out; - - rtems_set_errno_and_return_minus_one( - _POSIX_Message_queue_Translate_core_message_queue_return_code( - _Thread_Executing->Wait.return_code - ) - ); - } - return POSIX_BOTTOM_REACHED(); -} - |