chmboxes.h File Reference

Mailboxes macros and structures. More...

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Defines
#define	chMBSize(mbp)   ((mbp)->mb_top - (mbp)->mb_buffer)
	Returns the mailbox buffer size.
#define	chMBGetEmpty(mbp)   chSemGetCounterI(&(mbp)->mb_emptysem)
	Returns the free space into the mailbox.
#define	chMBGetFull(mbp)   chSemGetCounterI(&(mbp)->mb_fullsem)
	Returns the number of messages into the mailbox.
#define	chMBPeek(mbp)   (*(mbp)->mb_rdptr)
	Returns the next message in the queue without removing it.
#define	_MAILBOX_DATA(name, buffer, size)
	Data part of a static mailbox initializer.
#define	MAILBOX_DECL(name, buffer, size)   Mailbox name = _MAILBOX_DATA(name, buffer, size)
	Static mailbox initializer.
Functions
void	chMBInit (Mailbox *mbp, msg_t *buf, cnt_t n)
	Initializes a Mailbox object.
void	chMBReset (Mailbox *mbp)
	Resets a Mailbox object.
msg_t	chMBPost (Mailbox *mbp, msg_t msg, systime_t time)
	Posts a message into a mailbox.
msg_t	chMBPostS (Mailbox *mbp, msg_t msg, systime_t time)
	Posts a message into a mailbox.
msg_t	chMBPostAhead (Mailbox *mbp, msg_t msg, systime_t time)
	Posts an high priority message into a mailbox.
msg_t	chMBPostAheadS (Mailbox *mbp, msg_t msg, systime_t time)
	Posts an high priority message into a mailbox.
msg_t	chMBFetch (Mailbox *mbp, msg_t *msgp, systime_t time)
	Retrieves a message from a mailbox.
msg_t	chMBFetchS (Mailbox *mbp, msg_t *msgp, systime_t time)
	Retrieves a message from a mailbox.

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Detailed Description

Mailboxes macros and structures.

Definition in file chmboxes.h.