/usr/include/diet/mqueue.h is in dietlibc-dev 0.33~cvs20120325-6+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | #ifndef _MQUEUE_H
#define _MQUEUE_H
#include <sys/cdefs.h>
#include <sys/time.h>
#define MQ_PRIO_MAX 32768
/* per-uid limit of kernel memory used by mqueue, in bytes */
#define MQ_BYTES_MAX 819200
typedef int mqd_t;
struct mq_attr {
long mq_flags; /* message queue flags */
long mq_maxmsg; /* maximum number of messages */
long mq_msgsize; /* maximum message size */
long mq_curmsgs; /* number of messages currently queued */
long __reserved[4]; /* ignored for input, zeroed for output */
};
#define NOTIFY_NONE 0
#define NOTIFY_WOKENUP 1
#define NOTIFY_REMOVED 2
#define NOTIFY_COOKIE_LEN 32
__BEGIN_DECLS
mqd_t mq_open(const char *name, int oflag, ...) __THROW;
int mq_unlink(const char *name) __THROW;
int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned msg_prio) __THROW;
int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned msg_prio,
const struct timespec *abs_timeout) __THROW;
ssize_t mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len, unsigned *msg_prio) __THROW;
ssize_t mq_timedreceive(mqd_t mqdes, char *restrict msg_ptr, size_t msg_len,
unsigned *restrict msg_prio, const struct timespec *restrict abs_timeout) __THROW;
int mq_notify(mqd_t mqdes, const struct sigevent *notification) __THROW;
int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat) __THROW;
int mq_setattr(mqd_t mqdes, const struct mq_attr *restrict mqstat, struct mq_attr *restrict omqstat) __THROW;
__END_DECLS
#endif
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