37 lines
578 B
C
37 lines
578 B
C
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/*
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* Copyright (c) 2017 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <pthread.h>
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#include "ksched.h"
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#include "wait_q.h"
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void ready_one_thread(_wait_q_t *wq);
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int pthread_barrier_wait(pthread_barrier_t *b)
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{
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int key = irq_lock();
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b->count++;
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if (b->count >= b->max) {
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b->count = 0;
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while (!sys_dlist_is_empty(&b->wait_q)) {
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ready_one_thread(&b->wait_q);
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}
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if (!__must_switch_threads()) {
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irq_unlock(key);
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return 0;
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}
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} else {
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_pend_current_thread(&b->wait_q, K_FOREVER);
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}
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return _Swap(key);
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}
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