63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
/* Copyright (c) 2025 Barcelona Supercomputing Center (BSC)
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* SPDX-License-Identifier: GPL-3.0-or-later */
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#include <nosv.h>
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#include <nosv/affinity.h>
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#include <stdatomic.h>
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#include <unistd.h>
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#include "compat.h"
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#include "common.h"
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#define NTASKS 10
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atomic_int nr_completed_tasks;
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atomic_int completed;
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nosv_task_t child_task;
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nosv_task_t main_task;
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static void
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task_run(nosv_task_t task)
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{
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UNUSED(task);
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sleep_us(100);
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}
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static void
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task_comp(nosv_task_t task)
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{
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int total = atomic_fetch_add(&nr_completed_tasks, 1);
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if (total < NTASKS) {
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nosv_submit(task, NOSV_SUBMIT_NONE);
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/* Wait to give the scheduler the chance to win the race */
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sleep_us(100);
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} else {
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nosv_submit(main_task, NOSV_SUBMIT_UNLOCKED);
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}
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}
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int
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main(void)
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{
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nosv_init();
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nosv_attach(&main_task, NULL, NULL, NOSV_ATTACH_NONE);
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nosv_task_type_t task_type;
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nosv_type_init(&task_type, task_run, NULL, task_comp, "child_task", NULL, NULL, NOSV_TYPE_INIT_NONE);
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nosv_create(&child_task, task_type, 0, 0);
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nosv_submit(child_task, NOSV_SUBMIT_NONE);
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nosv_pause(NOSV_PAUSE_NONE);
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nosv_destroy(child_task, NOSV_DESTROY_NONE);
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nosv_detach(NOSV_DETACH_NONE);
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nosv_type_destroy(task_type, NOSV_TYPE_DESTROY_NONE);
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nosv_shutdown();
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return 0;
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}
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