base/include/rtai_pmq.h File Reference

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Data Structures
struct	mq_attr
struct	suprt_fun_arg
Defines
#define	MQ_OPEN_MAX   8
#define	MQ_PRIO_MAX   32
#define	MQ_BLOCK   0
#define	MQ_NONBLOCK   1
#define	MQ_NAME_MAX   80
#define	MQ_MIN_MSG_PRIORITY   0
#define	MQ_MAX_MSG_PRIORITY   MQ_PRIO_MAX
#define	MAX_PQUEUES   4
#define	MAX_MSGSIZE   50
#define	MAX_MSGS   10
#define	O_NOTIFY_NP   0x1000
#define	INVALID_PQUEUE   0
#define	MQIDX   0
Typedefs
typedef mq_attr	MQ_ATTR
typedef int	mqd_t
Functions
static void	signal_suprt_fun_mq (struct suprt_fun_arg *fun_arg)
static int	rt_request_signal_mq (mqd_t mq)
static mqd_t	mq_open (char *mq_name, int oflags, mode_t permissions, struct mq_attr *mq_attr)
static size_t	mq_receive (mqd_t mq, char *msg_buffer, size_t buflen, unsigned int *msgprio)
static int	mq_send (mqd_t mq, const char *msg, size_t msglen, unsigned int msgprio)
static int	mq_close (mqd_t mq)
static int	mq_getattr (mqd_t mq, struct mq_attr *attrbuf)
static int	mq_setattr (mqd_t mq, const struct mq_attr *new_attrs, struct mq_attr *old_attrs)
static int	mq_notify (mqd_t mq, const struct sigevent *notification)
static int	mq_unlink (char *mq_name)
static size_t	mq_timedreceive (mqd_t mq, char *msg_buffer, size_t buflen, unsigned int *msgprio, const struct timespec *abstime)
static int	mq_timedsend (mqd_t mq, const char *msg, size_t msglen, unsigned int msgprio, const struct timespec *abstime)

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Define Documentation

#define INVALID_PQUEUE   0

Definition at line 60 of file rtai_pmq.h.

#define MAX_MSGS   10

Definition at line 49 of file rtai_pmq.h.

#define MAX_MSGSIZE   50

Definition at line 48 of file rtai_pmq.h.

#define MAX_PQUEUES   4

Definition at line 46 of file rtai_pmq.h.

#define MQ_BLOCK   0

Definition at line 39 of file rtai_pmq.h.

#define MQ_MAX_MSG_PRIORITY   MQ_PRIO_MAX

Definition at line 44 of file rtai_pmq.h.

#define MQ_MIN_MSG_PRIORITY   0

Definition at line 43 of file rtai_pmq.h.

#define MQ_NAME_MAX   80

Definition at line 41 of file rtai_pmq.h.

#define MQ_NONBLOCK   1

Definition at line 40 of file rtai_pmq.h.

#define MQ_OPEN_MAX   8

Definition at line 35 of file rtai_pmq.h.

#define MQ_PRIO_MAX   32

Definition at line 37 of file rtai_pmq.h.

#define MQIDX   0

Definition at line 202 of file rtai_pmq.h.

#define O_NOTIFY_NP   0x1000

Definition at line 51 of file rtai_pmq.h.

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Typedef Documentation

typedef struct mq_attr MQ_ATTR

typedef int mqd_t

Definition at line 204 of file rtai_pmq.h.

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Function Documentation

static int mq_close

(

mqd_t

mq

)

[inline, static]

Definition at line 304 of file rtai_pmq.h.

References errno, LOW, MQ_CLOSE, MQIDX, rtai_lxrt(), and SIZARG.

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static int mq_getattr	(	mqd_t	mq,
		struct mq_attr *	attrbuf
	)			[inline, static]

Definition at line 315 of file rtai_pmq.h.

References errno, LOW, MQ_GETATTR, MQIDX, rtai_lxrt(), and SIZARG.

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static int mq_notify	(	mqd_t	mq,
		const struct sigevent *	notification
	)			[inline, static]

Definition at line 337 of file rtai_pmq.h.

References errno, LOW, MQ_NOTIFY, MQIDX, O_NOTIFY_NP, rt_buddy, rt_request_signal_mq(), rtai_lxrt(), SIZARG, and task.

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static mqd_t mq_open	(	char *	mq_name,
		int	oflags,
		mode_t	permissions,
		struct mq_attr *	mq_attr
	)			[inline, static]

Definition at line 257 of file rtai_pmq.h.

References errno, LOW, MQ_OPEN, MQIDX, O_NOTIFY_NP, rt_request_signal_mq(), rtai_lxrt(), and SIZARG.

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static size_t mq_receive	(	mqd_t	mq,
		char *	msg_buffer,
		size_t	buflen,
		unsigned int *	msgprio
	)			[inline, static]

Definition at line 272 of file rtai_pmq.h.

References errno, rtai_lxrt_t::i, LOW, MQ_RECEIVE, MQIDX, rtai_lxrt(), and SIZARG.

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static int mq_send	(	mqd_t	mq,
		const char *	msg,
		size_t	msglen,
		unsigned int	msgprio
	)			[inline, static]

Definition at line 288 of file rtai_pmq.h.

References errno, rtai_lxrt_t::i, LOW, MQ_SEND, MQIDX, rtai_lxrt(), and SIZARG.

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static int mq_setattr	(	mqd_t	mq,
		const struct mq_attr *	new_attrs,
		struct mq_attr *	old_attrs
	)			[inline, static]

Definition at line 326 of file rtai_pmq.h.

References errno, LOW, MQ_SETATTR, MQIDX, rtai_lxrt(), and SIZARG.

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static size_t mq_timedreceive	(	mqd_t	mq,
		char *	msg_buffer,
		size_t	buflen,
		unsigned int *	msgprio,
		const struct timespec *	abstime
	)			[inline, static]

Definition at line 363 of file rtai_pmq.h.

References errno, rtai_lxrt_t::i, LOW, MQ_TIMEDRECEIVE, MQIDX, rtai_lxrt(), and SIZARG.

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static int mq_timedsend	(	mqd_t	mq,
		const char *	msg,
		size_t	msglen,
		unsigned int	msgprio,
		const struct timespec *	abstime
	)			[inline, static]

Definition at line 379 of file rtai_pmq.h.

References errno, rtai_lxrt_t::i, LOW, MQ_TIMEDSEND, MQIDX, rtai_lxrt(), and SIZARG.

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static int mq_unlink

(

char *

mq_name

)

[inline, static]

Definition at line 352 of file rtai_pmq.h.

References errno, LOW, MQ_UNLINK, MQIDX, rtai_lxrt(), and SIZARG.

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static int rt_request_signal_mq

(

mqd_t

mq

)

[inline, static]

Definition at line 243 of file rtai_pmq.h.

References suprt_fun_arg::cpuid, rtai_lxrt_t::i, LOW, rt_buddy, RT_SIGNAL_HELPER, rt_thread_create(), rtai_lxrt(), RTAI_SIGNALS_IDX, signal_suprt_fun_mq(), SIGNAL_TASK_STACK_SIZE, and suprt_fun_arg::task.

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static void signal_suprt_fun_mq

(

struct suprt_fun_arg *

fun_arg

)

[static]

Definition at line 215 of file rtai_pmq.h.

References suprt_fun_arg::cpuid, LOW, MAXSIGNALS, mlockall, suprt_fun_arg::mq, MQ_REG_USP_NOTIFIER, MQIDX, rt_get_name(), rt_make_hard_real_time(), rt_make_soft_real_time(), RT_SIGNAL_REQUEST, RT_SIGNAL_WAITSIG, rt_task_delete, rt_thread_init(), rtai_lxrt(), RTAI_SIGNALS_IDX, suprt_fun_arg::self, SIGNAL_TASK_INIPRIO, suprt_fun_arg::task, and task.

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