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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [cancelrun.c] - Rev 173

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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;
}
 

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