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/* $Id$
* ============================================================================
*
* = LIBRARY
* pace
*
* = FILENAME
* mqueue.h
*
* = AUTHOR
* Luther Baker
*
* ============================================================================ */
#ifndef PACE_MQUEUE_H
#define PACE_MQUEUE_H
#include "pace/defines.h"
/* Linux doesn't support this file at all. We will allow the interface, but
all return values will be PACE_ERRNO_LACKS_RT. */
# if defined (linux)
typedef unsigned int mqd_t;
struct mq_attr { };
struct sigevent { };
#include "pace/unistd.h"
# else /* !linux */
#include <mqueue.h>
#endif /* !linux */
# if defined (PACE_HAS_CPLUSPLUS)
extern "C" {
# endif /* PACE_HAS_CPLUSPLUS */
PACE_INLINE int pace_mq_close (mqd_t mqdes);
PACE_INLINE int pace_mq_getattr (mqd_t mqdes,
struct mq_attr * mqstat);
PACE_INLINE int pace_mq_notify (mqd_t mqdes,
const struct sigevent * notification);
# define pace_mq_open(X) mq_open X
/* mqd_t mq_open (const char *name, int oflag, (*//* args *//*) ... );
*
* PLEASE PAY SPECIAL ATTENTION HERE!
* This is a macro and requires an additional set of parenthesis
* surrounding the arguments.
*/
PACE_INLINE ssize_t pace_mq_receive (mqd_t mqdes,
char * msg_ptr,
size_t msg_len,
unsigned int * nmsg_prio);
PACE_INLINE int pace_mq_send (mqd_t mqdes,
const char * mst_ptr,
size_t msg_len,
unsigned int psg_prio);
PACE_INLINE int pace_mq_setattr (mqd_t mqdes,
const struct mq_attr * mqstat,
struct mq_attr * omqstat);
PACE_INLINE int pace_mq_unlink (const char * name);
# if defined (PACE_HAS_CPLUSPLUS)
}
# endif /* PACE_HAS_CPLUSPLUS */
# if defined (PACE_HAS_INLINE)
# include "mqueue.inl"
# endif /* PACE_HAS_INLINE */
#endif /* PACE_MQUEUE_H */
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