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testsupport: Add worker setup handler

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Add rtems_test_parallel_get_task_id().
This commit is contained in:
Sebastian Huber
2015-03-17 10:32:20 +01:00
parent 8e10f62378
commit 8c7eb0039c
4 changed files with 96 additions and 24 deletions
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44
cpukit/libmisc/testsupport/test.h
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@@ -125,10 +125,26 @@ typedef struct {
Atomic_Ulong stop;
SMP_barrier_Control barrier;
size_t worker_count;
rtems_id worker_ids[32];
rtems_id stop_worker_timer_id;
rtems_id master_id;
} rtems_test_parallel_context;
/**
* @brief Worker task setup handler.
*
* Called during rtems_test_parallel() to optionally setup a worker task before
* it is started.
*
* @param[in] ctx The parallel context.
* @param[in] worker_index The worker index.
* @param[in] worker_id The worker task identifier.
*/
typedef void (*rtems_test_parallel_worker_setup)(
rtems_test_parallel_context *ctx,
size_t worker_index,
rtems_id worker_id
);
/**
* @brief Basic parallel job description.
*/
@@ -211,7 +227,7 @@ typedef struct {
* @retval false Otherwise.
*/
static inline bool rtems_test_parallel_stop_job(
rtems_test_parallel_context *ctx
const rtems_test_parallel_context *ctx
)
{
return _Atomic_Load_ulong(&ctx->stop, ATOMIC_ORDER_RELAXED) != 0;
@@ -232,20 +248,38 @@ static inline bool rtems_test_parallel_is_master_worker(size_t worker_index)
return worker_index == 0;
}
/**
* @brief Returns the task identifier for a worker.
*
* @param[in] ctx The parallel context.
* @param[in] worker_index The worker index.
*
* @return The task identifier of the worker.
*/
static inline rtems_id rtems_test_parallel_get_task_id(
const rtems_test_parallel_context *ctx,
size_t worker_index
)
{
return ctx->worker_ids[worker_index];
}
/**
* @brief Runs a bunch of jobs in parallel on all processors of the system.
*
* The worker tasks inherit the priority of the executing task.
*
* There are SMP barriers before and after the job body.
*
* @param[in] ctx The parallel context.
* @param[in] non_master_worker_priority The task priority for non-master
* workers.
* @param[in] worker_setup Optional handler to setup a worker task before it is
* started.
* @param[in] jobs The table of jobs.
* @param[in] job_count The count of jobs in the job table.
*/
void rtems_test_parallel(
rtems_test_parallel_context *ctx,
rtems_task_priority non_master_worker_priority,
rtems_test_parallel_worker_setup worker_setup,
const rtems_test_parallel_job *jobs,
size_t job_count
);