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/*

 *  $Id: cancelrun.c,v 1.2 2001-09-27 11:59:17 chris Exp $

 */

#include <pthread.h>

#include <errno.h>

#include <rtems/system.h>

#include <rtems/score/chain.h>

#include <rtems/score/isr.h>

#include <rtems/score/thread.h>

#include <rtems/score/wkspace.h>

#include <rtems/posix/cancel.h>

#include <rtems/posix/pthread.h>

#include <rtems/posix/threadsup.h>

/*PAGE

 *

 *  _POSIX_Thread_cancel_run

 *

 */

void _POSIX_Thread_cancel_run(

  Thread_Control *the_thread

)

{

  int                                old_cancel_state;

  POSIX_Cancel_Handler_control      *handler;

  Chain_Control                     *handler_stack;

  POSIX_API_Control                 *thread_support;

  ISR_Level                          level;

  thread_support = the_thread->API_Extensions[ THREAD_API_POSIX ];

  handler_stack = &thread_support->Cancellation_Handlers;

  old_cancel_state = thread_support->cancelability_state;

  thread_support->cancelability_state = PTHREAD_CANCEL_DISABLE;

  while ( !_Chain_Is_empty( handler_stack ) ) {

    _ISR_Disable( level );

      handler = (POSIX_Cancel_Handler_control *) _Chain_Tail( handler_stack );

      _Chain_Extract_unprotected( &handler->Node );

    _ISR_Enable( level );

    (*handler->routine)( handler->arg );

    _Workspace_Free( handler );

  }

  thread_support->cancelation_requested = 0;

  thread_support->cancelability_state = old_cancel_state;

}