diff options
Diffstat (limited to 'c/src/exec/score/src/threadinitialize.c')
| -rw-r--r-- | c/src/exec/score/src/threadinitialize.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/c/src/exec/score/src/threadinitialize.c b/c/src/exec/score/src/threadinitialize.c deleted file mode 100644 index e850e3fe1f..0000000000 --- a/c/src/exec/score/src/threadinitialize.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Thread Handler - * - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/score/apiext.h> -#include <rtems/score/context.h> -#include <rtems/score/interr.h> -#include <rtems/score/isr.h> -#include <rtems/score/object.h> -#include <rtems/score/priority.h> -#include <rtems/score/states.h> -#include <rtems/score/sysstate.h> -#include <rtems/score/thread.h> -#include <rtems/score/threadq.h> -#include <rtems/score/userext.h> -#include <rtems/score/wkspace.h> - -/*PAGE - * - * _Thread_Initialize - * - * This routine initializes the specified the thread. It allocates - * all memory associated with this thread. It completes by adding - * the thread to the local object table so operations on this - * thread id are allowed. - */ - -boolean _Thread_Initialize( - Objects_Information *information, - Thread_Control *the_thread, - void *stack_area, - unsigned32 stack_size, - boolean is_fp, - Priority_Control priority, - boolean is_preemptible, - Thread_CPU_budget_algorithms budget_algorithm, - Thread_CPU_budget_algorithm_callout budget_callout, - unsigned32 isr_level, - Objects_Name name -) -{ - unsigned32 actual_stack_size = 0; - void *stack = NULL; -#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) - void *fp_area; -#endif - void *extensions_area; - - /* - * Initialize the Ada self pointer - */ - - the_thread->rtems_ada_self = NULL; - - /* - * Allocate and Initialize the stack for this thread. - */ - - - if ( !stack_area ) { - if ( !_Stack_Is_enough( stack_size ) ) - actual_stack_size = STACK_MINIMUM_SIZE; - else - actual_stack_size = stack_size; - - actual_stack_size = _Thread_Stack_Allocate( the_thread, actual_stack_size ); - - if ( !actual_stack_size ) - return FALSE; /* stack allocation failed */ - - stack = the_thread->Start.stack; - the_thread->Start.core_allocated_stack = TRUE; - } else { - stack = stack_area; - actual_stack_size = stack_size; - the_thread->Start.core_allocated_stack = FALSE; - } - - _Stack_Initialize( - &the_thread->Start.Initial_stack, - stack, - actual_stack_size - ); - - /* - * Allocate the floating point area for this thread - */ - -#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) - if ( is_fp ) { - - fp_area = _Workspace_Allocate( CONTEXT_FP_SIZE ); - if ( !fp_area ) { - _Thread_Stack_Free( the_thread ); - return FALSE; - } - fp_area = _Context_Fp_start( fp_area, 0 ); - - } else - fp_area = NULL; - - the_thread->fp_context = fp_area; - the_thread->Start.fp_context = fp_area; -#endif - - /* - * Clear the libc reent hook. - */ - - the_thread->libc_reent = NULL; - - /* - * Allocate the extensions area for this thread - */ - - if ( _Thread_Maximum_extensions ) { - extensions_area = _Workspace_Allocate( - (_Thread_Maximum_extensions + 1) * sizeof( void * ) - ); - - if ( !extensions_area ) { -#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) - if ( fp_area ) - (void) _Workspace_Free( fp_area ); -#endif - - _Thread_Stack_Free( the_thread ); - - return FALSE; - } - } else - extensions_area = NULL; - - the_thread->extensions = (void **) extensions_area; - - /* - * Clear the extensions area so extension users can determine - * if they are linked to the thread. An extension user may - * create the extension long after tasks have been created - * so they cannot rely on the thread create user extension - * call. - */ - - if ( the_thread->extensions ) { - int i; - for ( i = 0; i < (_Thread_Maximum_extensions + 1); i++ ) - the_thread->extensions[i] = NULL; - } - - /* - * General initialization - */ - - the_thread->Start.is_preemptible = is_preemptible; - the_thread->Start.budget_algorithm = budget_algorithm; - the_thread->Start.budget_callout = budget_callout; - - switch ( budget_algorithm ) { - case THREAD_CPU_BUDGET_ALGORITHM_NONE: - case THREAD_CPU_BUDGET_ALGORITHM_RESET_TIMESLICE: - break; - case THREAD_CPU_BUDGET_ALGORITHM_EXHAUST_TIMESLICE: - the_thread->cpu_time_budget = _Thread_Ticks_per_timeslice; - break; - case THREAD_CPU_BUDGET_ALGORITHM_CALLOUT: - break; - } - - the_thread->Start.isr_level = isr_level; - - the_thread->current_state = STATES_DORMANT; - the_thread->resource_count = 0; - the_thread->suspend_count = 0; - the_thread->real_priority = priority; - the_thread->Start.initial_priority = priority; - the_thread->ticks_executed = 0; - - _Thread_Set_priority( the_thread, priority ); - - /* - * Open the object - */ - - _Objects_Open( information, &the_thread->Object, name ); - - /* - * Invoke create extensions - */ - - if ( !_User_extensions_Thread_create( the_thread ) ) { - - if ( extensions_area ) - (void) _Workspace_Free( extensions_area ); - -#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) - if ( fp_area ) - (void) _Workspace_Free( fp_area ); -#endif - - _Thread_Stack_Free( the_thread ); - - return FALSE; - } - - return TRUE; - -} |