186 lines
6.9 KiB
C
186 lines
6.9 KiB
C
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/*
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ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS 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 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_CFG_USE_REGISTRY == TRUE) || 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 identifier[4]; /**< @brief Always set to "main". */
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uint8_t zero; /**< @brief Must be zero. */
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uint8_t size; /**< @brief Size of this structure. */
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uint16_t version; /**< @brief Encoded ChibiOS/RT version. */
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uint8_t ptrsize; /**< @brief Size of a pointer. */
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uint8_t timesize; /**< @brief Size of a @p systime_t. */
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uint8_t threadsize; /**< @brief Size of a @p thread_t. */
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uint8_t off_prio; /**< @brief Offset of @p prio field. */
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uint8_t off_ctx; /**< @brief Offset of @p ctx field. */
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uint8_t off_newer; /**< @brief Offset of @p newer field. */
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uint8_t off_older; /**< @brief Offset of @p older field. */
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uint8_t off_name; /**< @brief Offset of @p name field. */
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uint8_t off_stklimit; /**< @brief Offset of @p stklimit field.*/
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uint8_t off_state; /**< @brief Offset of @p state field. */
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uint8_t off_flags; /**< @brief Offset of @p flags field. */
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uint8_t off_refs; /**< @brief Offset of @p refs field. */
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uint8_t off_preempt; /**< @brief Offset of @p preempt field. */
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uint8_t off_time; /**< @brief Offset of @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)->older->newer = (tp)->newer; \
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(tp)->newer->older = (tp)->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)->newer = (thread_t *)&ch.rlist; \
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(tp)->older = ch.rlist.older; \
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(tp)->older->newer = (tp); \
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ch.rlist.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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thread_t *chRegFindThreadByName(const char *name);
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thread_t *chRegFindThreadByPointer(thread_t *tp);
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thread_t *chRegFindThreadByWorkingArea(stkalign_t *wa);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CH_CFG_USE_REGISTRY == TRUE */
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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_CFG_USE_REGISTRY is enabled else no action is performed.
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*
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* @param[in] name 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_CFG_USE_REGISTRY == TRUE
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ch.rlist.current->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_CFG_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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*/
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static inline const char *chRegGetThreadNameX(thread_t *tp) {
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#if CH_CFG_USE_REGISTRY == TRUE
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return tp->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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/**
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* @brief Changes the name of the specified thread.
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* @pre This function only stores the pointer to the name if the option
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* @p CH_CFG_USE_REGISTRY is enabled else no action is performed.
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*
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* @param[in] tp pointer to the thread
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* @param[in] name thread name as a zero terminated string
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*
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* @xclass
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*/
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static inline void chRegSetThreadNameX(thread_t *tp, const char *name) {
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#if CH_CFG_USE_REGISTRY == TRUE
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tp->name = name;
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#else
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(void)tp;
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(void)name;
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#endif
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}
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#endif /* CHREGISTRY_H */
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/** @} */
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