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Diffstat (limited to 'testsuites/validation/tc-timecounter-get-smp.c')
-rw-r--r-- | testsuites/validation/tc-timecounter-get-smp.c | 740 |
1 files changed, 740 insertions, 0 deletions
diff --git a/testsuites/validation/tc-timecounter-get-smp.c b/testsuites/validation/tc-timecounter-get-smp.c new file mode 100644 index 0000000000..d8c9f598dd --- /dev/null +++ b/testsuites/validation/tc-timecounter-get-smp.c @@ -0,0 +1,740 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup ScoreTimecounterValGetSmp + */ + +/* + * Copyright (C) 2021 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This file is part of the RTEMS quality process and was automatically + * generated. If you find something that needs to be fixed or + * worded better please post a report or patch to an RTEMS mailing list + * or raise a bug report: + * + * https://www.rtems.org/bugs.html + * + * For information on updating and regenerating please refer to the How-To + * section in the Software Requirements Engineering chapter of the + * RTEMS Software Engineering manual. The manual is provided as a part of + * a release. For development sources please refer to the online + * documentation at: + * + * https://docs.rtems.org + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems.h> +#include <rtems/counter.h> +#include <rtems/timecounter.h> +#include <rtems/score/smpbarrier.h> +#include <rtems/score/threaddispatch.h> + +#include "tx-support.h" + +#include <rtems/test.h> + +/** + * @defgroup ScoreTimecounterValGetSmp spec:/score/timecounter/val/get-smp + * + * @ingroup TestsuitesValidationTimecounterSmp0 + * + * @brief Tests directives to get a time value. + * + * This test case performs the following actions: + * + * - Install timecounter of different quality levels and frequencies. + * + * - Call the rtems_clock_get_realtime() directive and let it observe a + * generation number of zero as well as a generation number change. + * + * - Call the rtems_clock_get_realtime_bintime() directive and let it observe + * a generation number of zero as well as a generation number change. + * + * - Call the rtems_clock_get_realtime_timeval() directive and let it observe + * a generation number of zero as well as a generation number change. + * + * - Call the rtems_clock_get_monotonic() directive and let it observe a + * generation number of zero as well as a generation number change. + * + * - Call the rtems_clock_get_monotonic_bintime() directive and let it + * observe a generation number of zero as well as a generation number + * change. + * + * - Call the rtems_clock_get_monotonic_sbintime() directive and let it + * observe a generation number of zero as well as a generation number + * change. + * + * - Call the rtems_clock_get_monotonic_timeval() directive and let it + * observe a generation number of zero as well as a generation number + * change. + * + * - Delete the synchronous worker task. Reinitialize the barrier and + * barrier states. Start the zero worker task. + * + * - Call the rtems_clock_get_realtime_coarse() directive and try to let it + * observe a generation number of zero. + * + * - Call the rtems_clock_get_realtime_coarse_bintime() directive and try to + * let it observe a generation number of zero. + * + * - Call the rtems_clock_get_realtime_coarse_timeval() directive and try to + * let it observe a generation number of zero. + * + * - Call the rtems_clock_get_monotonic_coarse() directive and try to let it + * observe a generation number of zero. + * + * - Call the rtems_clock_get_monotonic_coarse_bintime() directive and try to + * let it observe a generation number of zero. + * + * - Call the rtems_clock_get_monotonic_coarse_timeval() directive and try to + * let it observe a generation number of zero. + * + * - Call the rtems_clock_get_boot_time() directive and try to let it observe + * a generation number of zero. + * + * - Call the rtems_clock_get_boot_time_bintime() directive and try to let it + * observe a generation number of zero. + * + * - Call the rtems_clock_get_boot_time_timeval() directive and try to let it + * observe a generation number of zero. + * + * - Delete the zero worker task. Reinitialize the barrier and barrier + * states. Start the change worker task. + * + * - Call the rtems_clock_get_realtime_coarse() directive and try to let it + * observe a changing generation number. + * + * - Call the rtems_clock_get_realtime_coarse_bintime() directive and try to + * let it observe a changing generation number. + * + * - Call the rtems_clock_get_realtime_coarse_timeval() directive and try to + * let it observe a changing generation number. + * + * - Call the rtems_clock_get_monotonic_coarse() directive and try to let it + * observe a changing generation number. + * + * - Call the rtems_clock_get_monotonic_coarse_bintime() directive and try to + * let it observe a changing generation number. + * + * - Call the rtems_clock_get_monotonic_coarse_timeval() directive and try to + * let it observe a changing generation number. + * + * - Call the rtems_clock_get_boot_time() directive and try to let it observe + * a changing generation number. + * + * - Call the rtems_clock_get_boot_time_bintime() directive and try to let it + * observe a changing generation number. + * + * - Call the rtems_clock_get_boot_time_timeval() directive and try to let it + * observe a changing generation number. + * + * - Delete the change worker task. + * + * @{ + */ + +typedef struct { + struct timecounter base; + Atomic_Ulong counter; + Atomic_Uint *generation_0; + Atomic_Uint *generation_1; + SMP_barrier_Control barrier; + SMP_barrier_State barrier_state[ 2 ]; +} Timecounter; + +static Timecounter test_timecounter; + +static uint32_t GetTimecount( struct timecounter *base ) +{ + Timecounter *tc; + + tc = (Timecounter *) base; + + return (uint32_t) _Atomic_Fetch_add_ulong( + &tc->counter, + 1, + ATOMIC_ORDER_RELAXED + ); +} + +static uint32_t GetTimecountBarrier( struct timecounter *base ) +{ + Timecounter *tc; + + tc = (Timecounter *) base; + + /* C0, C1, C2 */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); + + /* D0, D1, D2 */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); + + return GetTimecount( &tc->base ); +} + +static uint32_t GetCounter( const Timecounter *tc ) +{ + return (uint32_t) _Atomic_Load_ulong( + &tc->counter, + ATOMIC_ORDER_RELAXED + ); +} + +static void SetCounter( Timecounter *tc, uint32_t counter ) +{ + _Atomic_Store_ulong( + &tc->counter, + counter, + ATOMIC_ORDER_RELAXED + ); +} + +static void CallTimecounterTick( void ) +{ + Per_CPU_Control *cpu_self; + + cpu_self = _Thread_Dispatch_disable(); + rtems_timecounter_tick(); + _Thread_Dispatch_enable( cpu_self ); +} + +static void SetGeneration( Timecounter *tc, unsigned int generation ) +{ + _Atomic_Store_uint( tc->generation_0, generation, ATOMIC_ORDER_RELAXED ); + _Atomic_Store_uint( tc->generation_1, generation, ATOMIC_ORDER_RELAXED ); +} + +static void PrepareSynchronousWork( Timecounter *tc ) +{ + /* A */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); + + SetCounter( tc, 0 ); + + /* B */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); +} + +static void CleanupSynchronousWork( Timecounter *tc ) +{ + /* E */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); + + T_eq_u32( GetCounter( tc ), 3 ); +} + +static void SynchronousWorker( rtems_task_argument arg ) +{ + Timecounter *tc; + + tc = (Timecounter *) arg; + + while ( true ) { + /* A */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + SetGeneration( tc, 0 ); + + /* B */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + /* C0 */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + SetGeneration( tc, 1 ); + + /* D0 */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + /* C1 */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + SetGeneration( tc, 2 ); + + /* D1 */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + /* C2 */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + /* D2 */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + /* E */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + } +} + +static void PrepareZeroWork( Timecounter *tc ) +{ + /* F */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); + + SetCounter( tc, 0 ); + + /* G */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); +} + +static void CleanupZeroWork( Timecounter *tc ) +{ + /* H */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); + + T_eq_u32( GetCounter( tc ), 0 ); +} + +static void ZeroWorker( rtems_task_argument arg ) +{ + Timecounter *tc; + + tc = (Timecounter *) arg; + + while ( true ) { + /* F */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + SetGeneration( tc, 0 ); + + /* G */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + rtems_counter_delay_nanoseconds( 10000000 ); + SetGeneration( tc, 1 ); + + /* H */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + } +} + +static void PrepareChangeWork( Timecounter *tc ) +{ + /* F */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); + + SetCounter( tc, 0 ); + + /* G */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); +} + +static void CleanupChangeWork( Timecounter *tc ) +{ + /* H */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 0 ], 2 ); + + T_eq_u32( GetCounter( tc ), 0 ); +} + +static void ChangeWorker( rtems_task_argument arg ) +{ + Timecounter *tc; + + tc = (Timecounter *) arg; + + while ( true ) { + unsigned int i; + + /* F */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + /* G */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + + for ( i = 1; i < 1000; ++i ) { + SetGeneration( tc, i ); + } + + /* H */ + _SMP_barrier_Wait( &tc->barrier, &tc->barrier_state[ 1 ], 2 ); + } +} + +/* This definition must be identical to the one in kern_tc.c */ +struct timehands { + struct timecounter *th_counter; + int64_t th_adjustment; + uint64_t th_scale; + uint32_t th_large_delta; + uint32_t th_offset_count; + struct bintime th_offset; + struct bintime th_bintime; + struct timeval th_microtime; + struct timespec th_nanotime; + struct bintime th_boottime; + Atomic_Uint th_generation; + struct timehands *th_next; +}; + +static void NtpUpdateSecond( int64_t *adjustment, time_t *newsec ) +{ + Timecounter *tc; + struct timehands *th; + + tc = &test_timecounter; + th = RTEMS_CONTAINER_OF( adjustment, struct timehands, th_adjustment ); + T_assert_eq_ptr( th, th->th_next->th_next ); + tc->generation_0 = &th->th_generation; + tc->generation_1 = &th->th_next->th_generation; +} + +/** + * @brief Install timecounter of different quality levels and frequencies. + */ +static void ScoreTimecounterValGetSmp_Action_0( void ) +{ + Timecounter *tc; + rtems_id worker_id; + struct bintime bt; + sbintime_t sbt; + struct timespec ts; + struct timeval tv; + unsigned int i; + + tc = &test_timecounter; + tc->base.tc_get_timecount = GetTimecount; + tc->base.tc_counter_mask = 0xffffffff; + tc->base.tc_frequency = 0x10000000; + tc->base.tc_quality = RTEMS_TIMECOUNTER_QUALITY_CLOCK_DRIVER; + rtems_timecounter_install( &tc->base ); + + SetCounter( tc, tc->base.tc_frequency ); + _Timecounter_Set_NTP_update_second( NtpUpdateSecond ); + CallTimecounterTick(); + _Timecounter_Set_NTP_update_second( NULL ); + + T_assert_not_null( tc->generation_0 ); + T_assert_not_null( tc->generation_1 ); + + _SMP_barrier_Control_initialize( &tc->barrier ); + _SMP_barrier_State_initialize( &tc->barrier_state[ 0 ] ); + _SMP_barrier_State_initialize( &tc->barrier_state[ 1 ] ); + + worker_id = CreateTask( "WORK", PRIO_NORMAL ); + SetScheduler( worker_id, SCHEDULER_B_ID, PRIO_NORMAL ); + StartTask( worker_id, SynchronousWorker, tc ); + + tc->base.tc_get_timecount = GetTimecountBarrier; + + /* + * Call the rtems_clock_get_realtime() directive and let it observe a + * generation number of zero as well as a generation number change. + */ + PrepareSynchronousWork( tc ); + rtems_clock_get_realtime( &ts ); + T_eq_i64( ts.tv_sec, 567993616 ); + T_eq_long( ts.tv_nsec, 7 ); + CleanupSynchronousWork( tc ); + + /* + * Call the rtems_clock_get_realtime_bintime() directive and let it observe a + * generation number of zero as well as a generation number change. + */ + PrepareSynchronousWork( tc ); + rtems_clock_get_realtime_bintime( &bt ); + T_eq_i64( bt.sec, 567993616 ); + T_eq_u64( bt.frac, 137438953472 ); + CleanupSynchronousWork( tc ); + + /* + * Call the rtems_clock_get_realtime_timeval() directive and let it observe a + * generation number of zero as well as a generation number change. + */ + PrepareSynchronousWork( tc ); + rtems_clock_get_realtime_timeval( &tv ); + T_eq_i64( tv.tv_sec, 567993616 ); + T_eq_long( tv.tv_usec, 0 ); + CleanupSynchronousWork( tc ); + + /* + * Call the rtems_clock_get_monotonic() directive and let it observe a + * generation number of zero as well as a generation number change. + */ + PrepareSynchronousWork( tc ); + rtems_clock_get_monotonic( &ts ); + T_eq_i64( ts.tv_sec, 17 ); + T_eq_long( ts.tv_nsec, 7 ); + CleanupSynchronousWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_bintime() directive and let it observe + * a generation number of zero as well as a generation number change. + */ + PrepareSynchronousWork( tc ); + rtems_clock_get_monotonic_bintime( &bt ); + T_eq_i64( bt.sec, 17 ); + T_eq_u64( bt.frac, 137438953472 ); + CleanupSynchronousWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_sbintime() directive and let it observe + * a generation number of zero as well as a generation number change. + */ + PrepareSynchronousWork( tc ); + sbt = rtems_clock_get_monotonic_sbintime(); + T_eq_i64( sbt, 73014444064 ); + CleanupSynchronousWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_timeval() directive and let it observe + * a generation number of zero as well as a generation number change. + */ + PrepareSynchronousWork( tc ); + rtems_clock_get_monotonic_timeval( &tv ); + T_eq_i64( tv.tv_sec, 17 ); + T_eq_long( tv.tv_usec, 0 ); + CleanupSynchronousWork( tc ); + + /* + * Delete the synchronous worker task. Reinitialize the barrier and barrier + * states. Start the zero worker task. + */ + tc->base.tc_get_timecount = GetTimecount; + DeleteTask( worker_id ); + + _SMP_barrier_Control_initialize( &tc->barrier ); + _SMP_barrier_State_initialize( &tc->barrier_state[ 0 ] ); + _SMP_barrier_State_initialize( &tc->barrier_state[ 1 ] ); + + worker_id = CreateTask( "WORK", PRIO_NORMAL ); + SetScheduler( worker_id, SCHEDULER_B_ID, PRIO_NORMAL ); + StartTask( worker_id, ZeroWorker, tc ); + + /* + * Call the rtems_clock_get_realtime_coarse() directive and try to let it + * observe a generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_realtime_coarse( &ts ); + CleanupZeroWork( tc ); + + /* + * Call the rtems_clock_get_realtime_coarse_bintime() directive and try to + * let it observe a generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_realtime_coarse_bintime( &bt ); + CleanupZeroWork( tc ); + + /* + * Call the rtems_clock_get_realtime_coarse_timeval() directive and try to + * let it observe a generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_realtime_coarse_timeval( &tv ); + CleanupZeroWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_coarse() directive and try to let it + * observe a generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_monotonic_coarse( &ts ); + CleanupZeroWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_coarse_bintime() directive and try to + * let it observe a generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_monotonic_coarse_bintime( &bt ); + CleanupZeroWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_coarse_timeval() directive and try to + * let it observe a generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_monotonic_coarse_timeval( &tv ); + CleanupZeroWork( tc ); + + /* + * Call the rtems_clock_get_boot_time() directive and try to let it observe a + * generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_boot_time( &ts ); + CleanupZeroWork( tc ); + + /* + * Call the rtems_clock_get_boot_time_bintime() directive and try to let it + * observe a generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_boot_time_bintime( &bt ); + CleanupZeroWork( tc ); + + /* + * Call the rtems_clock_get_boot_time_timeval() directive and try to let it + * observe a generation number of zero. + */ + PrepareZeroWork( tc ); + rtems_clock_get_boot_time_timeval( &tv ); + CleanupZeroWork( tc ); + + /* + * Delete the zero worker task. Reinitialize the barrier and barrier states. + * Start the change worker task. + */ + DeleteTask( worker_id ); + + _SMP_barrier_Control_initialize( &tc->barrier ); + _SMP_barrier_State_initialize( &tc->barrier_state[ 0 ] ); + _SMP_barrier_State_initialize( &tc->barrier_state[ 1 ] ); + + worker_id = CreateTask( "WORK", PRIO_NORMAL ); + SetScheduler( worker_id, SCHEDULER_B_ID, PRIO_NORMAL ); + StartTask( worker_id, ChangeWorker, tc ); + + /* + * Call the rtems_clock_get_realtime_coarse() directive and try to let it + * observe a changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_realtime_coarse( &ts ); + } + + CleanupChangeWork( tc ); + + /* + * Call the rtems_clock_get_realtime_coarse_bintime() directive and try to + * let it observe a changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_realtime_coarse_bintime( &bt ); + } + + CleanupChangeWork( tc ); + + /* + * Call the rtems_clock_get_realtime_coarse_timeval() directive and try to + * let it observe a changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_realtime_coarse_timeval( &tv ); + } + + CleanupChangeWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_coarse() directive and try to let it + * observe a changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_monotonic_coarse( &ts ); + } + + CleanupChangeWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_coarse_bintime() directive and try to + * let it observe a changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_monotonic_coarse_bintime( &bt ); + } + + CleanupChangeWork( tc ); + + /* + * Call the rtems_clock_get_monotonic_coarse_timeval() directive and try to + * let it observe a changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_monotonic_coarse_timeval( &tv ); + } + + CleanupChangeWork( tc ); + + /* + * Call the rtems_clock_get_boot_time() directive and try to let it observe a + * changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_boot_time( &ts ); + } + + CleanupChangeWork( tc ); + + /* + * Call the rtems_clock_get_boot_time_bintime() directive and try to let it + * observe a changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_boot_time_bintime( &bt ); + } + + CleanupChangeWork( tc ); + + /* + * Call the rtems_clock_get_boot_time_timeval() directive and try to let it + * observe a changing generation number. + */ + PrepareChangeWork( tc ); + + for ( i = 0; i < 100; ++i ) { + rtems_clock_get_boot_time_timeval( &tv ); + } + + CleanupChangeWork( tc ); + + /* + * Delete the change worker task. + */ + DeleteTask( worker_id ); +} + +/** + * @fn void T_case_body_ScoreTimecounterValGetSmp( void ) + */ +T_TEST_CASE( ScoreTimecounterValGetSmp ) +{ + ScoreTimecounterValGetSmp_Action_0(); +} + +/** @} */ |