42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
#ifndef _MQUEUE_H
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#define _MQUEUE_H 1
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// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/mqueue.h.html
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#include <time.h>
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#include <signal.h>
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#define __need_pthread_attr_t
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#define __need_size_t
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#define __need_ssize_t
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#include <sys/types.h>
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typedef int mqd_t;
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struct mq_attr
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{
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long mq_flags; /* Message queue flags. */
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long mq_maxmsg; /* Maximum number of messages. */
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long mq_msgsize; /* Maximum message size. */
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long mq_curmsgs; /* Number of messages currently queued. */
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};
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int mq_close(mqd_t mqdes);
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int mq_getattr(mqd_t mqdes, struct mq_attr* mqstat);
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int mq_notify(mqd_t mqdes, const struct sigevent* notification);
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mqd_t mq_open(const char* name, int oflag, ...);
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ssize_t mq_receive(mqd_t mqdes, char* msq_ptr, size_t msq_len, unsigned* msg_prio);
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int mq_send(mqd_t mqdes, const char* msg_ptr, size_t msg_len, unsigned msg_prio);
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int mq_setattr(mqd_t mqdes, const struct mq_attr* __restrict mqstat, struct mq_attr* __restrict omqstat);
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ssize_t mq_timedreceive(mqd_t mqdes, char* __restrict msg_ptr, size_t msg_len, unsigned* __restrict msg_prio, const struct timespec* __restrict abstime);
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int mq_timedsend(mqd_t mqdes, const char* msg_ptr, size_t msg_len, unsigned msg_prio, const struct timespec* abstime);
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int mq_unlink(const char* name);
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__END_DECLS
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#endif
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