1 files changed, 172 insertions, 0 deletions
diff --git a/cpukit/posix/include/mqueue.h b/cpukit/posix/include/mqueue.h
new file mode 100644
index 0000000000..f08dc0754b
--- /dev/null
+++ b/cpukit/posix/include/mqueue.h
@@ -0,0 +1,172 @@
+/**
+ * @file mqueue.h
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#ifndef _MQUEUE_H
+#define _MQUEUE_H
+
+
+#include <unistd.h>
+
+#if defined(_POSIX_MESSAGE_PASSING)
+
+#include <sys/types.h>
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  15.1.1 Data Structures, P1003.1b-1993, p. 271
+ */
+
+/**
+ *  Message queue id type.
+ *
+ *  @note Use uint32_t since all POSIX Ids are 32-bit currently.
+ */
+typedef uint32_t  mqd_t;
+
+/**
+ *  This is the message queue attributes structure.
+ */
+struct mq_attr {
+  /** This is the message queue flags */
+  long  mq_flags;
+  /** This is the maximum number of messages */
+  long  mq_maxmsg;
+  /** This is the maximum message size */
+  long  mq_msgsize;
+  /** This is the mumber of messages currently queued */
+  long  mq_curmsgs;
+};
+
+/**
+ *  15.2.2 Open a Message Queue, P1003.1b-1993, p. 272
+ */
+mqd_t mq_open(
+  const char *name,
+  int         oflag,
+  ...
+);
+
+/**
+ *  15.2.2 Close a Message Queue, P1003.1b-1993, p. 275
+ */
+int mq_close(
+  mqd_t  mqdes
+);
+
+/**
+ *  15.2.2 Remove a Message Queue, P1003.1b-1993, p. 276
+ */
+int mq_unlink(
+  const char *name
+);
+
+/**
+ *  15.2.4 Send a Message to a Message Queue, P1003.1b-1993, p. 277
+ *
+ *  @note P1003.4b/D8, p. 45 adds mq_timedsend().
+ */
+int mq_send(
+  mqd_t         mqdes,
+  const char   *msg_ptr,
+  size_t        msg_len,
+  unsigned int  msg_prio
+);
+
+#if defined(_POSIX_TIMEOUTS)
+
+#include <time.h>
+
+int mq_timedsend(
+  mqd_t                  mqdes,
+  const char            *msg_ptr,
+  size_t                 msg_len,
+  unsigned int           msg_prio,
+  const struct timespec *abstime
+);
+
+#endif /* _POSIX_TIMEOUTS */
+
+/*
+ *  15.2.5 Receive a Message From a Message Queue, P1003.1b-1993, p. 279
+ *
+ *  NOTE: P1003.4b/D8, p. 45 adds mq_timedreceive().
+ */
+
+ssize_t mq_receive(
+  mqd_t         mqdes,
+  char         *msg_ptr,
+  size_t        msg_len,
+  unsigned int *msg_prio
+);
+
+#if defined(_POSIX_TIMEOUTS)
+
+ssize_t mq_timedreceive(
+  mqd_t                  mqdes,
+  char                  *msg_ptr,
+  size_t                 msg_len,
+  unsigned int          *msg_prio,
+  const struct timespec *abstime
+);
+
+#endif /* _POSIX_TIMEOUTS */
+
+#if defined(_POSIX_REALTIME_SIGNALS)
+
+/*
+ *  15.2.6 Notify Process that a Message is Available on a Queue,
+ *         P1003.1b-1993, p. 280
+ */
+
+int mq_notify(
+  mqd_t                  mqdes,
+  const struct sigevent *notification
+);
+
+#endif /* _POSIX_REALTIME_SIGNALS */
+
+/*
+ *  15.2.7 Set Message Queue Attributes, P1003.1b-1993, p. 281
+ */
+
+int mq_setattr(
+  mqd_t                 mqdes,
+  const struct mq_attr *mqstat,
+  struct mq_attr       *omqstat
+);
+
+/*
+ *  15.2.8 Get Message Queue Attributes, P1003.1b-1993, p. 283
+ */
+
+int mq_getattr(
+  mqd_t           mqdes,
+  struct mq_attr *mqstat
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _POSIX_MESSAGE_PASSING */
+
+#endif
+/* end of include file */