statesimpl.h

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/*
 *  COPYRIGHT (c) 1989-2012.
 *  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_SCORE_STATESIMPL_H
#define _RTEMS_SCORE_STATESIMPL_H

#include <rtems/score/states.h>
#include <rtems/score/basedefs.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 *  The following constants define the individual states which may be
 *  be used to compose and manipulate a thread's state.
 */

#define STATES_READY                           0x00000

#define STATES_DORMANT                         0x00001

#define STATES_SUSPENDED                       0x00002

#define STATES_DELAYING                        0x00008

#define STATES_WAITING_FOR_TIME                0x00010

#define STATES_WAITING_FOR_BUFFER              0x00020

#define STATES_WAITING_FOR_SEGMENT             0x00040

#define STATES_WAITING_FOR_MESSAGE             0x00080

#define STATES_WAITING_FOR_EVENT               0x00100

#define STATES_WAITING_FOR_SEMAPHORE           0x00200

#define STATES_WAITING_FOR_MUTEX               0x00400

#define STATES_WAITING_FOR_CONDITION_VARIABLE  0x00800

#define STATES_WAITING_FOR_JOIN_AT_EXIT        0x01000

#define STATES_WAITING_FOR_RPC_REPLY           0x02000

#define STATES_WAITING_FOR_PERIOD              0x04000

#define STATES_WAITING_FOR_SIGNAL              0x08000

#define STATES_WAITING_FOR_BARRIER             0x10000

#define STATES_WAITING_FOR_RWLOCK              0x20000

#define STATES_WAITING_FOR_SYSTEM_EVENT        0x40000

#define STATES_WAITING_FOR_BSD_WAKEUP          0x80000

#define STATES_WAITING_FOR_TERMINATION         0x100000

#define STATES_ZOMBIE                          0x200000

#define STATES_MIGRATING                       0x400000

#define STATES_RESTARTING                      0x800000

#define STATES_WAITING_FOR_JOIN                0x1000000

#define STATES_INTERRUPTIBLE_BY_SIGNAL         0x10000000

#define STATES_LOCALLY_BLOCKED ( STATES_WAITING_FOR_BUFFER             | \
                                 STATES_WAITING_FOR_SEGMENT            | \
                                 STATES_WAITING_FOR_MESSAGE            | \
                                 STATES_WAITING_FOR_SEMAPHORE          | \
                                 STATES_WAITING_FOR_MUTEX              | \
                                 STATES_WAITING_FOR_CONDITION_VARIABLE | \
                                 STATES_WAITING_FOR_JOIN               | \
                                 STATES_WAITING_FOR_SIGNAL             | \
                                 STATES_WAITING_FOR_BARRIER            | \
                                 STATES_WAITING_FOR_BSD_WAKEUP         | \
                                 STATES_WAITING_FOR_RWLOCK             )

#define STATES_BLOCKED         ( STATES_DELAYING                | \
                                 STATES_LOCALLY_BLOCKED         | \
                                 STATES_WAITING_FOR_TIME        | \
                                 STATES_WAITING_FOR_PERIOD      | \
                                 STATES_WAITING_FOR_EVENT       | \
                                 STATES_WAITING_FOR_RPC_REPLY   | \
                                 STATES_WAITING_FOR_SYSTEM_EVENT | \
                                 STATES_INTERRUPTIBLE_BY_SIGNAL )

#define STATES_ALL_SET 0xffffffff

RTEMS_INLINE_ROUTINE States_Control _States_Set (
  States_Control states_to_set,
  States_Control current_state
)
{
   return (current_state | states_to_set);
}

RTEMS_INLINE_ROUTINE States_Control _States_Clear (
  States_Control states_to_clear,
  States_Control current_state
)
{
   return (current_state & ~states_to_clear);
}

RTEMS_INLINE_ROUTINE bool _States_Is_ready (
  States_Control the_states
)
{
   return (the_states == STATES_READY);
}

RTEMS_INLINE_ROUTINE bool _States_Is_only_dormant (
  States_Control the_states
)
{
   return (the_states == STATES_DORMANT);
}

RTEMS_INLINE_ROUTINE bool _States_Is_dormant (
  States_Control the_states
)
{
   return (the_states & STATES_DORMANT);
}

RTEMS_INLINE_ROUTINE bool _States_Is_suspended (
  States_Control the_states
)
{
   return (the_states & STATES_SUSPENDED);
}

RTEMS_INLINE_ROUTINE bool _States_Is_delaying (
  States_Control the_states
)
{
   return (the_states & STATES_DELAYING);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_buffer (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_BUFFER);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_segment (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_SEGMENT);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_message (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_MESSAGE);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_event (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_EVENT);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_system_event (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_SYSTEM_EVENT);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_mutex (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_MUTEX);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_semaphore (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_SEMAPHORE);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_time (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_TIME);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_rpc_reply (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_RPC_REPLY);
}

RTEMS_INLINE_ROUTINE bool _States_Is_waiting_for_period (
  States_Control the_states
)
{
   return (the_states & STATES_WAITING_FOR_PERIOD);
}

RTEMS_INLINE_ROUTINE bool _States_Is_interruptible_by_signal (
  States_Control the_states
)
{
   return (the_states & STATES_INTERRUPTIBLE_BY_SIGNAL);

}
RTEMS_INLINE_ROUTINE bool _States_Is_locally_blocked (
  States_Control the_states
)
{
   return (the_states & STATES_LOCALLY_BLOCKED);
}

RTEMS_INLINE_ROUTINE bool _States_Is_blocked (
  States_Control the_states
)
{
   return (the_states & STATES_BLOCKED);
}

RTEMS_INLINE_ROUTINE bool _States_Are_set (
  States_Control the_states,
  States_Control mask
)
{
   return ( (the_states & mask) != STATES_READY);
}

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */