UNIX Message Queue Post: 302270273

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mqueue.h

mqueue.h(3HEAD) 						      Headers							   mqueue.h(3HEAD)

NAME

       mqueue.h, mqueue - message queues

SYNOPSIS

       #include <mqueue.h>

DESCRIPTION

       The  <mqueue.h>	header	defines  the  mqd_t type, which is used for message queue descriptors.	This will not be an array type.  A message
       queue descriptor may be implemented using a file descriptor, in which case applications can open up to at least OPEN_MAX file  and  message
       queues.

       The <mqueue.h> header defines the sigevent structure (as described in <signal.h>, see signal.h(3HEAD)) and the  mq_attr structure, which is
       used in getting and setting the attributes of a message queue.  Attributes are initially set when the message queue is created.	A  mq_attr
       structure has the following members:

	 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

       Inclusion of the <mqueue.h> header may make visible symbols defined in the headers <fcntl.h>, <signal.h>, <sys/types.h>, and <time.h>.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       fcntl.h(3HEAD), signal.h(3HEAD), time.h(3HEAD), types.h(3HEAD), attributes(5), standards(5)

SunOS 5.11							    30 Aug 2002 						   mqueue.h(3HEAD)

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