diff options
Diffstat (limited to 'src/include/mailboxes.h')
| -rw-r--r-- | src/include/mailboxes.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/include/mailboxes.h b/src/include/mailboxes.h deleted file mode 100644 index 075806da8..000000000 --- a/src/include/mailboxes.h +++ /dev/null @@ -1,126 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file mailboxes.h
- * @brief Mailboxes macros and structures.
- * @addtogroup Mailboxes
- * @{
- */
-
-#ifndef _MAILBOXES_H_
-#define _MAILBOXES_H_
-
-#if CH_USE_MAILBOXES
-
-typedef struct {
- msg_t *mb_buffer; /**< Pointer to the mailbox buffer.*/
- msg_t *mb_top; /**< Pointer to the first location
- after the buffer.*/
- msg_t *mb_wrptr; /**< Write pointer.*/
- msg_t *mb_rdptr; /**< Read pointer.*/
- Semaphore mb_fullsem; /**< Full counter @p Semaphore.*/
- Semaphore mb_emptysem; /**< Empty counter @p Semaphore.*/
-} Mailbox;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void chMBInit(Mailbox *mbp, msg_t *buf, cnt_t n);
- void chMBReset(Mailbox *mbp);
- msg_t chMBPost(Mailbox *mbp, msg_t msg, systime_t timeout);
- msg_t chMBPostS(Mailbox *mbp, msg_t msg, systime_t timeout);
- msg_t chMBPostAhead(Mailbox *mbp, msg_t msg, systime_t timeout);
- msg_t chMBPostAheadS(Mailbox *mbp, msg_t msg, systime_t timeout);
- msg_t chMBFetch(Mailbox *mbp, msg_t *msgp, systime_t timeout);
- msg_t chMBFetchS(Mailbox *mbp, msg_t *msgp, systime_t timeout);
-#ifdef __cplusplus
-}
-#endif
-
-/**
- * Returns the mailbox buffer size.
- * @param[in] mbp the pointer to an initialized Mailbox object
- */
-#define chMBSize(mbp) \
- ((mbp)->mb_top - (mbp)->mb_buffer)
-
-/**
- * Returns the free space into the mailbox.
- * @param[in] mbp the pointer to an initialized Mailbox object
- * @return The number of empty message slots.
- * @note Can be invoked in any system state but if invoked out of a locked
- * state then the returned value may change after reading.
- * @note The returned value can be less than zero when there are waiting
- * threads on the internal semaphore.
- */
-#define chMBGetEmpty(mbp) chSemGetCounterI(&(mbp)->mb_emptysem)
-
-/**
- * Returns the number of messages into the mailbox.
- * @param[in] mbp the pointer to an initialized Mailbox object
- * @return The number of queued messages.
- * @note Can be invoked in any system state but if invoked out of a locked
- * state then the returned value may change after reading.
- * @note The returned value can be less than zero when there are waiting
- * threads on the internal semaphore.
- */
-#define chMBGetFull(mbp) chSemGetCounterI(&(mbp)->mb_fullsem)
-
-/**
- * Returns the next message in the queue without removing it.
- * @note A message must be waiting in the queue for this function to work or
- * it would return garbage. The correct way to use this macro is to
- * use @p chMBGetFull() and then use this macro, all within a lock state. - */
-#define chMBPeek(mbp) (*(mbp)->mb_rdptr)
-
-/**
- * @brief Data part of a static mailbox initializer.
- * @details This macro should be used when statically initializing a
- * mailbox that is part of a bigger structure.
- * @param name the name of the mailbox variable
- * @param buffer pointer to the mailbox buffer area
- * @param size size of the mailbox buffer area
- */
-#define _MAILBOX_DATA(name, buffer, size) { \
- (msg_t *)(buffer), \
- (msg_t *)(buffer) + size, \
- (msg_t *)(buffer), \
- (msg_t *)(buffer), \
- _SEMAPHORE_DATA(name.mb_fullsem, 0), \
- _SEMAPHORE_DATA(name.mb_emptysem, size), \
-}
-
-/**
- * @brief Static mailbox initializer.
- * @details Statically initialized mailboxes require no explicit
- * initialization using @p chMBInit().
- * @param name the name of the mailbox variable
- * @param buffer pointer to the mailbox buffer area
- * @param size size of the mailbox buffer area
- */
-#define MAILBOX_DECL(name, buffer, size) \
- Mailbox name = _MAILBOX_DATA(name, buffer, size)
-
-#endif /* CH_USE_MAILBOXES */
-
-#endif /* _MAILBOXES_H_ */
-
-/** @} */
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