/usr/include/x86_64-linux-musl/mqueue.h is in musl-dev 0.9.15-1.
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 | #ifndef _MQUEUE_H
#define _MQUEUE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
#define __NEED_size_t
#define __NEED_ssize_t
#define __NEED_pthread_attr_t
#define __NEED_time_t
#define __NEED_struct_timespec
#include <bits/alltypes.h>
typedef int mqd_t;
struct mq_attr {
long mq_flags, mq_maxmsg, mq_msgsize, mq_curmsgs, __unused[4];
};
struct sigevent;
int mq_close(mqd_t);
int mq_getattr(mqd_t, struct mq_attr *);
int mq_notify(mqd_t, const struct sigevent *);
mqd_t mq_open(const char *, int, ...);
ssize_t mq_receive(mqd_t, char *, size_t, unsigned *);
int mq_send(mqd_t, const char *, size_t, unsigned);
int mq_setattr(mqd_t, const struct mq_attr *__restrict, struct mq_attr *__restrict);
ssize_t mq_timedreceive(mqd_t, char *__restrict, size_t, unsigned *__restrict, const struct timespec *__restrict);
int mq_timedsend(mqd_t, const char *, size_t, unsigned, const struct timespec *);
int mq_unlink(const char *);
#ifdef __cplusplus
}
#endif
#endif
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