diff options
Diffstat (limited to 'cpukit/posix/include/rtems/posix/condimpl.h')
| -rw-r--r-- | cpukit/posix/include/rtems/posix/condimpl.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/cpukit/posix/include/rtems/posix/condimpl.h b/cpukit/posix/include/rtems/posix/condimpl.h deleted file mode 100644 index 66e09bf6d8..0000000000 --- a/cpukit/posix/include/rtems/posix/condimpl.h +++ /dev/null @@ -1,184 +0,0 @@ -/** - * @file - * - * This include file contains the static inline implementation of the private - * inlined routines for POSIX condition variables. - */ - -/* - * COPYRIGHT (c) 1989-2013. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifndef _RTEMS_POSIX_CONDIMPL_H -#define _RTEMS_POSIX_CONDIMPL_H - -#include <errno.h> -#include <pthread.h> - -#include <rtems/score/percpu.h> -#include <rtems/score/threadqimpl.h> - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - unsigned long flags; - Thread_queue_Syslock_queue Queue; - pthread_mutex_t *mutex; -} POSIX_Condition_variables_Control; - -#define POSIX_CONDITION_VARIABLES_CLOCK_MONOTONIC 0x1UL - -#define POSIX_CONDITION_VARIABLES_FLAGS_MASK 0x1UL - -#define POSIX_CONDITION_VARIABLES_MAGIC 0x18dfb1feUL - -/** - * Constant to indicate condition variable does not currently have - * a mutex assigned to it. - */ -#define POSIX_CONDITION_VARIABLES_NO_MUTEX NULL - -#define POSIX_CONDITION_VARIABLES_TQ_OPERATIONS &_Thread_queue_Operations_FIFO - -#define POSIX_CONDITION_VARIABLE_OF_THREAD_QUEUE_QUEUE( queue ) \ - RTEMS_CONTAINER_OF( \ - queue, POSIX_Condition_variables_Control, Queue.Queue ) - -/** - * The default condition variable attributes structure. - */ -extern const pthread_condattr_t _POSIX_Condition_variables_Default_attributes; - -static inline POSIX_Condition_variables_Control *_POSIX_Condition_variables_Get( - pthread_cond_t *cond -) -{ - return (POSIX_Condition_variables_Control *) cond; -} - -RTEMS_INLINE_ROUTINE void _POSIX_Condition_variables_Initialize( - POSIX_Condition_variables_Control *the_cond, - const pthread_condattr_t *the_attr -) -{ - unsigned long flags; - - _Thread_queue_Queue_initialize( &the_cond->Queue.Queue, NULL ); - the_cond->mutex = POSIX_CONDITION_VARIABLES_NO_MUTEX; - - flags = (uintptr_t) the_cond ^ POSIX_CONDITION_VARIABLES_MAGIC; - flags &= ~POSIX_CONDITION_VARIABLES_FLAGS_MASK; - - if ( the_attr->clock == CLOCK_MONOTONIC ) { - flags |= POSIX_CONDITION_VARIABLES_CLOCK_MONOTONIC; - } - - the_cond->flags = flags; -} - -RTEMS_INLINE_ROUTINE void _POSIX_Condition_variables_Destroy( - POSIX_Condition_variables_Control *the_cond -) -{ - the_cond->flags = ~the_cond->flags; -} - -RTEMS_INLINE_ROUTINE clockid_t _POSIX_Condition_variables_Get_clock( - unsigned long flags -) -{ - if ( ( flags & POSIX_CONDITION_VARIABLES_CLOCK_MONOTONIC ) != 0 ) { - return CLOCK_MONOTONIC; - } - - return CLOCK_REALTIME; -} - -RTEMS_INLINE_ROUTINE Thread_Control *_POSIX_Condition_variables_Acquire( - POSIX_Condition_variables_Control *the_cond, - Thread_queue_Context *queue_context -) -{ - ISR_Level level; - Thread_Control *executing; - - _Thread_queue_Context_ISR_disable( queue_context, level ); - _Thread_queue_Context_set_ISR_level( queue_context, level ); - executing = _Thread_Executing; - _Thread_queue_Queue_acquire_critical( - &the_cond->Queue.Queue, - &executing->Potpourri_stats, - &queue_context->Lock_context.Lock_context - ); - - return executing; -} - -RTEMS_INLINE_ROUTINE void _POSIX_Condition_variables_Release( - POSIX_Condition_variables_Control *the_cond, - Thread_queue_Context *queue_context -) -{ - _Thread_queue_Queue_release( - &the_cond->Queue.Queue, - &queue_context->Lock_context.Lock_context - ); -} - -/** - * @brief Implements wake up version of the "signal" operation. - * - * A support routine which implements guts of the broadcast and single task - * wake up version of the "signal" operation. - */ -int _POSIX_Condition_variables_Signal_support( - pthread_cond_t *cond, - bool is_broadcast -); - -/** - * @brief POSIX condition variables wait support. - * - * A support routine which implements guts of the blocking, non-blocking, and - * timed wait version of condition variable wait routines. - */ -int _POSIX_Condition_variables_Wait_support( - pthread_cond_t *cond, - pthread_mutex_t *mutex, - const struct timespec *abstime -); - -bool _POSIX_Condition_variables_Auto_initialization( - POSIX_Condition_variables_Control *the_cond -); - -#define POSIX_CONDITION_VARIABLES_VALIDATE_OBJECT( the_cond, flags ) \ - do { \ - if ( ( the_cond ) == NULL ) { \ - return EINVAL; \ - } \ - flags = ( the_cond )->flags; \ - if ( \ - ( ( (uintptr_t) ( the_cond ) ^ POSIX_CONDITION_VARIABLES_MAGIC ) \ - & ~POSIX_CONDITION_VARIABLES_FLAGS_MASK ) \ - != ( flags & ~POSIX_CONDITION_VARIABLES_FLAGS_MASK ) \ - ) { \ - if ( !_POSIX_Condition_variables_Auto_initialization( the_cond ) ) { \ - return EINVAL; \ - } \ - } \ - } while ( 0 ) - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ |