original files of m241

vxworks-6.9/target/h/mqueueCommon.h

@@ -0,0 +1,99 @@
+/* mqueueCommon.h - POSIX usr/kernel shared message queue header file */
+
+/*
+ * Copyright (c) 2003, 2005-2006, 2010 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute or otherwise make use of this software
+ * may be licensed only pursuant to the terms of an applicable Wind River
+ * license agreement. 
+ */
+
+/*
+modification history
+--------------------
+01g,28apr10,pad  Moved extern C statement after include statements.
+01f,13mar06,kk   added _Restrict keyword to mq_setattr() in user land
+01e,12feb06,kk   make mq_attr POSIX conformant (SPR# 114488)
+01d,05jan06,jln  added definition of _VX_PX_MQ_NAME_MAX and _VX_PX_MQ_PATH_MAX
+01c,22aug05,kk   moved RTP or kernel specific prototypes to mqueue.h
+01b,07jul05,kk   move MQ_PRIO_MAX into kernel, user level has it in limits.h
+01a,14nov03,m_s  code-inspection changes
+01a,31oct03,m_s  Written
+*/
+
+#ifndef __INCmqueueCommonh
+#define __INCmqueueCommonh
+
+
+/* includes */
+
+#include <fcntl.h>
+#include <sigevent.h>
+
+#ifndef _WRS_KERNEL
+#include <sys/cdefs.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* defines */
+
+#define MQ_NUM_MSGS_DEFAULT	16	/* default messages per queue */
+#define MQ_MSG_SIZE_DEFAULT	16	/* default message size in bytes */
+
+/*
+ * _VX_PX_MQ_NAME_MAX is the maximum number of bytes in a
+ * filename (not including terminating null)
+ */
+                                                                                               
+#define _VX_PX_MQ_NAME_MAX	255 
+                                                                                               
+/*
+ * _VX_PX_MQ_PATH_MAX is the maximum number of bytes in a
+ * pathname, including the terminating null character
+ */
+
+#define _VX_PX_MQ_PATH_MAX	255
+
+/* typedefs */
+
+/* message queue attributes */
+
+struct mq_attr
+    {
+    long	mq_maxmsg;
+    long	mq_msgsize;
+    long	mq_flags;
+    long	mq_curmsgs;
+    };
+
+/* message queue descriptor for applications */
+
+struct mq_des;
+typedef struct mq_des * mqd_t;
+
+/* function declarations */
+
+/* mq_receive() and mq_send() are in mqueue.h */
+
+extern mqd_t mq_open    (const char *, int, ...);
+extern int   mq_close   (mqd_t);
+extern int   mq_unlink  (const char *);
+extern int   mq_notify  (mqd_t, const struct sigevent *);
+extern int   mq_getattr (mqd_t, struct mq_attr *);
+
+#ifdef _WRS_KERNEL
+extern int   mq_setattr (mqd_t, const struct mq_attr *, struct mq_attr *);
+#else /* for user land */
+extern int   mq_setattr (mqd_t, 
+                         const struct mq_attr * _Restrict, 
+			 struct mq_attr * _Restrict);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* INCmqueueCommonh */