diff options
Diffstat (limited to 'cpukit/score/include/rtems/score/corerwlock.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/corerwlock.h | 161 |
1 files changed, 3 insertions, 158 deletions
diff --git a/cpukit/score/include/rtems/score/corerwlock.h b/cpukit/score/include/rtems/score/corerwlock.h index 8281abb9eb..3ed511495e 100644 --- a/cpukit/score/include/rtems/score/corerwlock.h +++ b/cpukit/score/include/rtems/score/corerwlock.h @@ -19,6 +19,8 @@ #ifndef _RTEMS_SCORE_CORERWLOCK_H #define _RTEMS_SCORE_CORERWLOCK_H +#include <rtems/score/tqdata.h> + /** * @defgroup ScoreRWLock RWLock Handler * @@ -33,20 +35,6 @@ extern "C" { #endif -#include <rtems/score/thread.h> -#include <rtems/score/threadq.h> -#include <rtems/score/priority.h> -#include <rtems/score/watchdog.h> - -/** - * The following type defines the callout which the API provides - * to support global/multiprocessor operations on RWLocks. - */ -typedef void ( *CORE_RWLock_API_mp_support_callout )( - Thread_Control *, - Objects_Id - ); - /** * RWLock State. */ @@ -63,39 +51,6 @@ typedef enum { } CORE_RWLock_States; /** - * Core RWLock handler return statuses. - */ -typedef enum { - /** This status indicates that the operation completed successfully. */ - CORE_RWLOCK_SUCCESSFUL, - /** This status indicates that the thread was blocked waiting for an */ - CORE_RWLOCK_WAS_DELETED, - /** This status indicates that the rwlock was not immediately available. */ - CORE_RWLOCK_UNAVAILABLE, - /** This status indicates that the calling task was willing to block - * but the operation was unable to complete within the time allotted - * because the resource never became available. - */ - CORE_RWLOCK_TIMEOUT -} CORE_RWLock_Status; - -/** This is the last status value. - */ -#define CORE_RWLOCK_STATUS_LAST CORE_RWLOCK_TIMEOUT - -/** - * This is used to denote that a thread is blocking waiting for - * read-only access to the RWLock. - */ -#define CORE_RWLOCK_THREAD_WAITING_FOR_READ 0 - -/** - * This is used to denote that a thread is blocking waiting for - * write-exclusive access to the RWLock. - */ -#define CORE_RWLOCK_THREAD_WAITING_FOR_WRITE 1 - -/** * The following defines the control block used to manage the * attributes of each RWLock. */ @@ -126,121 +81,11 @@ typedef struct { uint32_t number_of_readers; } CORE_RWLock_Control; -/** - * @brief Initialize a RWlock. - * - * This routine initializes the RWLock based on the parameters passed. - * - * @param[in] the_rwlock is the RWLock to initialize - * @param[in] the_rwlock_attributes define the behavior of this instance - */ -void _CORE_RWLock_Initialize( - CORE_RWLock_Control *the_rwlock, - CORE_RWLock_Attributes *the_rwlock_attributes -); - -/** - * @brief Obtain RWLock for reading. - * - * This routine attempts to obtain the RWLock for read access. - * - * @param[in] the_rwlock is the RWLock to wait for - * @param[in] id is the id of the object being waited upon - * @param[in] wait is true if the calling thread is willing to wait - * @param[in] timeout is the number of ticks the calling thread is willing - * to wait if @a wait is true. - * @param[in] api_rwlock_mp_support is the routine to invoke if the - * thread unblocked is remote - * - * @note Status is returned via the thread control block. - */ - -void _CORE_RWLock_Obtain_for_reading( - CORE_RWLock_Control *the_rwlock, - Objects_Id id, - bool wait, - Watchdog_Interval timeout, - CORE_RWLock_API_mp_support_callout api_rwlock_mp_support -); - -/** - * @brief Obtain RWLock for writing. - * - * This routine attempts to obtain the RWLock for write exclusive access. - * - * @param[in] the_rwlock is the RWLock to wait for - * @param[in] id is the id of the object being waited upon - * @param[in] wait is true if the calling thread is willing to wait - * @param[in] timeout is the number of ticks the calling thread is willing - * to wait if @a wait is true. - * @param[in] api_rwlock_mp_support is the routine to invoke if the - * thread unblocked is remote - * - * @note Status is returned via the thread control block. - */ -void _CORE_RWLock_Obtain_for_writing( - CORE_RWLock_Control *the_rwlock, - Objects_Id id, - bool wait, - Watchdog_Interval timeout, - CORE_RWLock_API_mp_support_callout api_rwlock_mp_support -); - -/** - * @brief Release the RWLock. - * - * This routine manually releases @a the_rwlock. All of the threads waiting - * for the RWLock will be readied. - * - * @param[in] the_rwlock is the RWLock to surrender - * - * @retval Status is returned to indicate successful or failure. - */ -CORE_RWLock_Status _CORE_RWLock_Release( - CORE_RWLock_Control *the_rwlock -); - -/** - * This routine assists in the deletion of a RWLock by flushing the - * associated wait queue. - * - * @param[in] _the_rwlock is the RWLock to flush - * @param[in] _remote_extract_callout is the routine to invoke if the - * thread unblocked is remote - * @param[in] _status is the status to be returned to the unblocked thread - */ -#define _CORE_RWLock_Flush( _the_rwlock, _remote_extract_callout, _status) \ - _Thread_queue_Flush( \ - &((_the_rwlock)->Wait_queue), \ - (_remote_extract_callout), \ - (_status) \ - ) - -/** - * @brief RWLock specific thread queue timeout. - * - * This routine processes a thread which timeouts while waiting on - * an RWLock's thread queue. It is called by the watchdog handler. - * - * @param[in] id is the Id of thread to timeout - * @param[in] ignored is an unused pointer to a caller defined area - */ - -void _CORE_RWLock_Timeout( - Objects_Id id, - void *ignored -); - - -#ifndef __RTEMS_APPLICATION__ -#include <rtems/score/corerwlock.inl> -#endif +/**@}*/ #ifdef __cplusplus } #endif -/**@}*/ - #endif /* end of include file */ |