44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* mqueue.h: POSIX message queue interface
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <time.h>
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#include <sys/types.h>
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#include <sys/signal.h>
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#include <sys/cdefs.h>
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#ifndef _MQUEUE_H
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#define _MQUEUE_H
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__BEGIN_DECLS
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typedef intptr_t mqd_t;
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struct mq_attr {
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long mq_flags; /* Message queue flags */
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long mq_maxmsg; /* Max number of messages in queue */
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long mq_msgsize; /* Max message size */
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long mq_curmsgs; /* Current number of messages in queue */
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};
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int mq_close (mqd_t);
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int mq_getattr (mqd_t, struct mq_attr *);
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int mq_notify (mqd_t, const struct sigevent *);
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mqd_t mq_open (const char *, int, ...);
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ssize_t mq_receive (mqd_t, char *, size_t, unsigned int *);
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int mq_send (mqd_t, const char *, size_t, unsigned int);
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int mq_setattr (mqd_t, const struct mq_attr *, struct mq_attr *);
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ssize_t mq_timedreceive (mqd_t, char *, size_t, unsigned int *,
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const struct timespec *);
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int mq_timedsend (mqd_t, const char *, size_t, unsigned int,
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const struct timespec *);
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int mq_unlink (const char *name);
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__END_DECLS
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#endif /* _MQUEUE_H */
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