mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-15 02:34:33 -05:00
93 lines
2.5 KiB
C
Executable File
93 lines
2.5 KiB
C
Executable File
/*
|
|
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
|
|
2011,2012,2013 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/>.
|
|
|
|
---
|
|
|
|
A special exception to the GPL can be applied should you wish to distribute
|
|
a combined work that includes ChibiOS/RT, without being obliged to provide
|
|
the source code for any proprietary components. See the file exception.txt
|
|
for full details of how and when the exception can be applied.
|
|
*/
|
|
|
|
/**
|
|
* @file chmsg.h
|
|
* @brief Messages macros and structures.
|
|
*
|
|
* @addtogroup messages
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _CHMSG_H_
|
|
#define _CHMSG_H_
|
|
|
|
#if CH_USE_MESSAGES || defined(__DOXYGEN__)
|
|
|
|
/**
|
|
* @name Macro Functions
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief Evaluates to TRUE if the thread has pending messages.
|
|
*
|
|
* @iclass
|
|
*/
|
|
#define chMsgIsPendingI(tp) \
|
|
((tp)->p_msgqueue.p_next != (Thread *)&(tp)->p_msgqueue)
|
|
|
|
/**
|
|
* @brief Returns the message carried by the specified thread.
|
|
* @pre This function must be invoked immediately after exiting a call
|
|
* to @p chMsgWait().
|
|
*
|
|
* @param[in] tp pointer to the thread
|
|
* @return The message carried by the sender.
|
|
*
|
|
* @api
|
|
*/
|
|
#define chMsgGet(tp) ((tp)->p_msg)
|
|
|
|
/**
|
|
* @brief Releases the thread waiting on top of the messages queue.
|
|
* @pre Invoke this function only after a message has been received
|
|
* using @p chMsgWait().
|
|
*
|
|
* @param[in] tp pointer to the thread
|
|
* @param[in] msg message to be returned to the sender
|
|
*
|
|
* @sclass
|
|
*/
|
|
#define chMsgReleaseS(tp, msg) chSchWakeupS(tp, msg)
|
|
/** @} */
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
msg_t chMsgSend(Thread *tp, msg_t msg);
|
|
Thread * chMsgWait(void);
|
|
void chMsgRelease(Thread *tp, msg_t msg);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* CH_USE_MESSAGES */
|
|
|
|
#endif /* _CHMSG_H_ */
|
|
|
|
/** @} */
|