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/*
ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
This file is part of ChibiOS.
ChibiOS 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 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 chregistry.h
* @brief Threads registry macros and structures.
*
* @addtogroup registry
* @{
*/
#ifndef _CHREGISTRY_H_
#define _CHREGISTRY_H_
#if (CH_CFG_USE_REGISTRY == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Module constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Module pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/
/**
* @brief ChibiOS/RT memory signature record.
*/
typedef struct {
char ch_identifier[4]; /**< @brief Always set to "main". */
uint8_t ch_zero; /**< @brief Must be zero. */
uint8_t ch_size; /**< @brief Size of this structure. */
uint16_t ch_version; /**< @brief Encoded ChibiOS/RT version. */
uint8_t ch_ptrsize; /**< @brief Size of a pointer. */
uint8_t ch_timesize; /**< @brief Size of a @p systime_t. */
uint8_t ch_threadsize; /**< @brief Size of a @p thread_t. */
uint8_t cf_off_prio; /**< @brief Offset of @p p_prio field. */
uint8_t cf_off_ctx; /**< @brief Offset of @p p_ctx field. */
uint8_t cf_off_newer; /**< @brief Offset of @p p_newer field. */
uint8_t cf_off_older; /**< @brief Offset of @p p_older field. */
uint8_t cf_off_name; /**< @brief Offset of @p p_name field. */
uint8_t cf_off_stklimit; /**< @brief Offset of @p p_stklimit
field. */
uint8_t cf_off_state; /**< @brief Offset of @p p_state field. */
uint8_t cf_off_flags; /**< @brief Offset of @p p_flags field. */
uint8_t cf_off_refs; /**< @brief Offset of @p p_refs field. */
uint8_t cf_off_preempt; /**< @brief Offset of @p p_preempt
field. */
uint8_t cf_off_time; /**< @brief Offset of @p p_time field. */
} chdebug_t;
/*===========================================================================*/
/* Module macros. */
/*===========================================================================*/
/**
* @name Macro Functions
* @{
*/
/**
* @brief Sets the current thread name.
* @pre This function only stores the pointer to the name if the option
* @p CH_CFG_USE_REGISTRY is enabled else no action is performed.
*
* @param[in] p thread name as a zero terminated string
*
* @api
*/
#define chRegSetThreadName(p) (ch.rlist.r_current->p_name = (p))
/** @} */
#else /* !CH_CFG_USE_REGISTRY */
#define chRegSetThreadName(p)
#endif /* !CH_CFG_USE_REGISTRY */
#if (CH_CFG_USE_REGISTRY == TRUE) || defined(__DOXYGEN__)
/**
* @brief Removes a thread from the registry list.
* @note This macro is not meant for use in application code.
*
* @param[in] tp thread to remove from the registry
*/
#define REG_REMOVE(tp) { \
(tp)->p_older->p_newer = (tp)->p_newer; \
(tp)->p_newer->p_older = (tp)->p_older; \
}
/**
* @brief Adds a thread to the registry list.
* @note This macro is not meant for use in application code.
*
* @param[in] tp thread to add to the registry
*/
#define REG_INSERT(tp) { \
(tp)->p_newer = (thread_t *)&ch.rlist; \
(tp)->p_older = ch.rlist.r_older; \
(tp)->p_older->p_newer = (tp); \
ch.rlist.r_older = (tp); \
}
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
extern ROMCONST chdebug_t ch_debug;
thread_t *chRegFirstThread(void);
thread_t *chRegNextThread(thread_t *tp);
#ifdef __cplusplus
}
#endif
/*===========================================================================*/
/* Module inline functions. */
/*===========================================================================*/
/**
* @brief Returns the name of the specified thread.
* @pre This function only returns the pointer to the name if the option
* @p CH_CFG_USE_REGISTRY is enabled else @p NULL is returned.
*
* @param[in] tp pointer to the thread
*
* @return Thread name as a zero terminated string.
* @retval NULL if the thread name has not been set.
*
* @iclass
*/
static inline const char *chRegGetThreadNameI(thread_t *tp) {
chDbgCheckClassI();
#if CH_CFG_USE_REGISTRY == TRUE
return tp->p_name;
#else
(void)tp;
return NULL;
#endif
}
#endif /* CH_CFG_USE_REGISTRY == TRUE */
#endif /* _CHREGISTRY_H_ */
/** @} */
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