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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-02 17:00:35 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-02 17:00:35 +0000 |
commit | 4dc89814e10296b8f7212e949a97730abc9032e4 (patch) | |
tree | 1dad373c2e98f6b3127adfd48c7165ab248fbe55 /cpukit/posix/src/mqueuedeletesupp.c | |
parent | Minor changes to make the screen match a bit better. (diff) | |
download | rtems-4dc89814e10296b8f7212e949a97730abc9032e4.tar.bz2 |
Split mqueue.c into a variety of files.
Diffstat (limited to '')
-rw-r--r-- | cpukit/posix/src/mqueuedeletesupp.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/cpukit/posix/src/mqueuedeletesupp.c b/cpukit/posix/src/mqueuedeletesupp.c new file mode 100644 index 0000000000..9fa76dc7d9 --- /dev/null +++ b/cpukit/posix/src/mqueuedeletesupp.c @@ -0,0 +1,62 @@ +/* + * 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 + * + * _POSIX_Message_queue_Delete + */ + +void _POSIX_Message_queue_Delete( + POSIX_Message_queue_Control *the_mq +) +{ + if ( !the_mq->linked && !the_mq->open_count ) { + _POSIX_Message_queue_Free( the_mq ); + +#if defined(RTEMS_MULTIPROCESSING) + if ( the_mq->process_shared == PTHREAD_PROCESS_SHARED ) { + + _Objects_MP_Close( + &_POSIX_Message_queue_Information, + the_mq->Object.id + ); + + _POSIX_Message_queue_MP_Send_process_packet( + POSIX_MESSAGE_QUEUE_MP_ANNOUNCE_DELETE, + the_mq->Object.id, + 0, /* Not used */ + 0 /* Not used */ + ); + } +#endif + + } +} + |