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/*
* mq_getattr.c - get message queue attributes.
*/
#include <errno.h>
#include <stddef.h>
#include <sys/syscall.h>
#include <mqueue.h>
#ifdef __NR_mq_getsetattr
#define __NR___syscall_mq_getsetattr __NR_mq_getsetattr
static inline _syscall3(int, __syscall_mq_getsetattr, int, mqdes,
const void *, mqstat, void *, omqstat);
/*
* Set attributes associated with message queue (and possibly also get
* its old attributes)
*/
int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat,
struct mq_attr *omqstat)
{
return __syscall_mq_getsetattr(mqdes, mqstat, omqstat);
}
/* Query status and attributes of message queue */
int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat)
{
return mq_setattr(mqdes, NULL, mqstat);
}
#endif
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