168 lines
6.5 KiB
C
168 lines
6.5 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file chregistry.h
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* @brief Threads registry macros and structures.
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*
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* @addtogroup registry
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* @{
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*/
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#ifndef _CHREGISTRY_H_
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#define _CHREGISTRY_H_
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#if CH_USE_REGISTRY || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Module constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module data structures and types. */
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/*===========================================================================*/
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/**
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* @brief ChibiOS/RT memory signature record.
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*/
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typedef struct {
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char ch_identifier[4]; /**< @brief Always set to "main". */
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uint8_t ch_zero; /**< @brief Must be zero. */
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uint8_t ch_size; /**< @brief Size of this structure. */
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uint16_t ch_version; /**< @brief Encoded ChibiOS/RT version. */
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uint8_t ch_ptrsize; /**< @brief Size of a pointer. */
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uint8_t ch_timesize; /**< @brief Size of a @p systime_t. */
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uint8_t ch_threadsize; /**< @brief Size of a @p thread_t. */
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uint8_t cf_off_prio; /**< @brief Offset of @p p_prio field. */
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uint8_t cf_off_ctx; /**< @brief Offset of @p p_ctx field. */
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uint8_t cf_off_newer; /**< @brief Offset of @p p_newer field. */
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uint8_t cf_off_older; /**< @brief Offset of @p p_older field. */
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uint8_t cf_off_name; /**< @brief Offset of @p p_name field. */
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uint8_t cf_off_stklimit; /**< @brief Offset of @p p_stklimit
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field. */
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uint8_t cf_off_state; /**< @brief Offset of @p p_state field. */
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uint8_t cf_off_flags; /**< @brief Offset of @p p_flags field. */
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uint8_t cf_off_refs; /**< @brief Offset of @p p_refs field. */
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uint8_t cf_off_preempt; /**< @brief Offset of @p p_preempt
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field. */
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uint8_t cf_off_time; /**< @brief Offset of @p p_time field. */
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} chdebug_t;
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/*===========================================================================*/
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/* Module macros. */
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/*===========================================================================*/
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/**
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* @brief Removes a thread from the registry list.
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* @note This macro is not meant for use in application code.
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*
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* @param[in] tp thread to remove from the registry
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*/
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#define REG_REMOVE(tp) { \
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(tp)->p_older->p_newer = (tp)->p_newer; \
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(tp)->p_newer->p_older = (tp)->p_older; \
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}
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/**
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* @brief Adds a thread to the registry list.
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* @note This macro is not meant for use in application code.
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*
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* @param[in] tp thread to add to the registry
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*/
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#define REG_INSERT(tp) { \
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(tp)->p_newer = (thread_t *)&rlist; \
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(tp)->p_older = rlist.r_older; \
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(tp)->p_older->p_newer = rlist.r_older = (tp); \
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}
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern ROMCONST chdebug_t ch_debug;
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thread_t *chRegFirstThread(void);
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thread_t *chRegNextThread(thread_t *tp);
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#ifdef __cplusplus
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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/**
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* @brief Sets the current thread name.
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* @pre This function only stores the pointer to the name if the option
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* @p CH_USE_REGISTRY is enabled else no action is performed.
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*
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* @param[in] p thread name as a zero terminated string
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*
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* @api
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*/
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static inline void chRegSetThreadName(const char *name) {
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#if CH_USE_REGISTRY
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currp->p_name = name;
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#else
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(void)name;
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#endif
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}
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/**
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* @brief Returns the name of the specified thread.
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* @pre This function only returns the pointer to the name if the option
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* @p CH_USE_REGISTRY is enabled else @p NULL is returned.
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*
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* @param[in] tp pointer to the thread
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*
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* @return Thread name as a zero terminated string.
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* @retval NULL if the thread name has not been set.
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*
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* @iclass
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*/
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static inline const char *chRegGetThreadNameI(thread_t *tp) {
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chDbgCheckClassI();
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#if CH_USE_REGISTRY
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return tp->p_name;
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#else
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(void)tp;
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return NULL;
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#endif
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}
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#endif /* CH_USE_REGISTRY */
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#endif /* _CHREGISTRY_H_ */
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/** @} */
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