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add clock and mqueue interface.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1083 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com
2010-11-21 23:56:16 +00:00
parent d57496b78c
commit 72630eae88
6 changed files with 230 additions and 34 deletions
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components/pthreads/mqueue.h
+33
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#ifndef __MQUEUE_H__
#define __MQUEUE_H__
#include <rtthread.h>
#include <sys/types.h>
#include <sys/time.h>
#include <signal.h>
typedef rt_mq_t mqd_t;
struct mq_attr
{
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. */
};
int mq_close(mqd_t mqdes);
int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat);
int mq_notify(mqd_t mqdes, const struct sigevent *notification);
mqd_t mq_open(const char *name, int oflag, ...);
ssize_t mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len, unsigned *msg_prio);
int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned msg_prio);
int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat,
struct mq_attr *omqstat);
ssize_t mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
unsigned *msg_prio, const struct timespec *abs_timeout);
int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned msg_prio,
const struct timespec *abs_timeout);
int mq_unlink(const char *name);
#endif