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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2013-08-10 14:51:16 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2013-08-10 14:51:16 +0000
commita1435e018bfc9919cb76b1356509ecc883767fb4 (patch)
treeb82f74e9eee194c8b04ba4a0dd0b88810813caf8 /os/kernel/src/chregistry.c
parenteb7a1a15b23341693864c6fc13ac5eab5c1d6122 (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6123 35acf78f-673a-0410-8e92-d51de3d6d3f4
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diff --git a/os/kernel/src/chregistry.c b/os/kernel/src/chregistry.c
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@@ -1,175 +0,0 @@
-/*
- 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/>.
-*/
-
-/**
- * @file chregistry.c
- * @brief Threads registry code.
- *
- * @addtogroup registry
- * @details Threads Registry related APIs and services.
- *
- * <h2>Operation mode</h2>
- * The Threads Registry is a double linked list that holds all the
- * active threads in the system.<br>
- * Operations defined for the registry:
- * - <b>First</b>, returns the first, in creation order, active thread
- * in the system.
- * - <b>Next</b>, returns the next, in creation order, active thread
- * in the system.
- * .
- * The registry is meant to be mainly a debug feature, for example,
- * using the registry a debugger can enumerate the active threads
- * in any given moment or the shell can print the active threads
- * and their state.<br>
- * Another possible use is for centralized threads memory management,
- * terminating threads can pulse an event source and an event handler
- * can perform a scansion of the registry in order to recover the
- * memory.
- * @pre In order to use the threads registry the @p CH_CFG_USE_REGISTRY
- * option must be enabled in @p chconf.h.
- * @{
- */
-#include "ch.h"
-
-#if CH_CFG_USE_REGISTRY || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Module exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module local types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module local variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module local functions. */
-/*===========================================================================*/
-
-#define _offsetof(st, m) \
- ((size_t)((char *)&((st *)0)->m - (char *)0))
-
-/*===========================================================================*/
-/* Module exported functions. */
-/*===========================================================================*/
-
-/*
- * OS signature in ROM plus debug-related information.
- */
-ROMCONST chdebug_t ch_debug = {
- "main",
- (uint8_t)0,
- (uint8_t)sizeof (chdebug_t),
- (uint16_t)((CH_KERNEL_MAJOR << 11) |
- (CH_KERNEL_MINOR << 6) |
- (CH_KERNEL_PATCH) << 0),
- (uint8_t)sizeof (void *),
- (uint8_t)sizeof (systime_t),
- (uint8_t)sizeof (thread_t),
- (uint8_t)_offsetof(thread_t, p_prio),
- (uint8_t)_offsetof(thread_t, p_ctx),
- (uint8_t)_offsetof(thread_t, p_newer),
- (uint8_t)_offsetof(thread_t, p_older),
- (uint8_t)_offsetof(thread_t, p_name),
-#if CH_DBG_ENABLE_STACK_CHECK
- (uint8_t)_offsetof(thread_t, p_stklimit),
-#else
- (uint8_t)0,
-#endif
- (uint8_t)_offsetof(thread_t, p_state),
- (uint8_t)_offsetof(thread_t, p_flags),
-#if CH_CFG_USE_DYNAMIC
- (uint8_t)_offsetof(thread_t, p_refs),
-#else
- (uint8_t)0,
-#endif
-#if CH_CFG_TIME_QUANTUM > 0
- (uint8_t)_offsetof(thread_t, p_preempt),
-#else
- (uint8_t)0,
-#endif
-#if CH_DBG_THREADS_PROFILING
- (uint8_t)_offsetof(thread_t, p_time)
-#else
- (uint8_t)0
-#endif
-};
-
-/**
- * @brief Returns the first thread in the system.
- * @details Returns the most ancient thread in the system, usually this is
- * the main thread unless it terminated. A reference is added to the
- * returned thread in order to make sure its status is not lost.
- * @note This function cannot return @p NULL because there is always at
- * least one thread in the system.
- *
- * @return A reference to the most ancient thread.
- *
- * @api
- */
-thread_t *chRegFirstThread(void) {
- thread_t *tp;
-
- chSysLock();
- tp = ch.rlist.r_newer;
-#if CH_CFG_USE_DYNAMIC
- tp->p_refs++;
-#endif
- chSysUnlock();
- return tp;
-}
-
-/**
- * @brief Returns the thread next to the specified one.
- * @details The reference counter of the specified thread is decremented and
- * the reference counter of the returned thread is incremented.
- *
- * @param[in] tp pointer to the thread
- * @return A reference to the next thread.
- * @retval NULL if there is no next thread.
- *
- * @api
- */
-thread_t *chRegNextThread(thread_t *tp) {
- thread_t *ntp;
-
- chSysLock();
- ntp = tp->p_newer;
- if (ntp == (thread_t *)&ch.rlist)
- ntp = NULL;
-#if CH_CFG_USE_DYNAMIC
- else {
- chDbgAssert(ntp->p_refs < 255, "too many references");
- ntp->p_refs++;
- }
-#endif
- chSysUnlock();
-#if CH_CFG_USE_DYNAMIC
- chThdRelease(tp);
-#endif
- return ntp;
-}
-
-#endif /* CH_CFG_USE_REGISTRY */
-
-/** @} */