161 lines
4.2 KiB
C
161 lines
4.2 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#include "tos_k.h"
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#if TOS_CFG_COMPLETION_EN > 0
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__API__ k_err_t tos_completion_create(k_completion_t *completion)
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{
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TOS_PTR_SANITY_CHECK(completion);
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completion->done = (completion_done_t)0u;
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pend_object_init(&completion->pend_obj);
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TOS_OBJ_INIT(completion, KNL_OBJ_TYPE_COMPLETION);
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return K_ERR_NONE;
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}
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__API__ k_err_t tos_completion_destroy(k_completion_t *completion)
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{
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TOS_CPU_CPSR_ALLOC();
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TOS_PTR_SANITY_CHECK(completion);
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TOS_OBJ_VERIFY(completion, KNL_OBJ_TYPE_COMPLETION);
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TOS_CPU_INT_DISABLE();
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pend_wakeup_all(&completion->pend_obj, PEND_STATE_DESTROY);
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pend_object_deinit(&completion->pend_obj);
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TOS_OBJ_DEINIT(completion);
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TOS_CPU_INT_ENABLE();
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knl_sched();
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return K_ERR_NONE;
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}
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__API__ k_err_t tos_completion_pend_timed(k_completion_t *completion, k_tick_t timeout)
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{
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TOS_CPU_CPSR_ALLOC();
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TOS_IN_IRQ_CHECK();
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TOS_PTR_SANITY_CHECK(completion);
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TOS_OBJ_VERIFY(completion, KNL_OBJ_TYPE_COMPLETION);
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TOS_CPU_INT_DISABLE();
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if (completion->done > (completion_done_t)0u) {
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TOS_CPU_INT_ENABLE();
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return K_ERR_NONE;
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}
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if (timeout == TOS_TIME_NOWAIT) { // no wait, return immediately
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TOS_CPU_INT_ENABLE();
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return K_ERR_PEND_NOWAIT;
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}
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if (knl_is_sched_locked()) {
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TOS_CPU_INT_ENABLE();
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return K_ERR_PEND_SCHED_LOCKED;
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}
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pend_task_block(k_curr_task, &completion->pend_obj, timeout);
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TOS_CPU_INT_ENABLE();
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knl_sched();
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return pend_state2errno(k_curr_task->pend_state);
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}
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__API__ k_err_t tos_completion_pend(k_completion_t *completion)
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{
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return tos_completion_pend_timed(completion, TOS_TIME_FOREVER);
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}
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__STATIC__ k_err_t completion_do_post(k_completion_t *completion, opt_post_t opt)
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{
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TOS_CPU_CPSR_ALLOC();
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TOS_PTR_SANITY_CHECK(completion);
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TOS_OBJ_VERIFY(completion, KNL_OBJ_TYPE_COMPLETION);
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TOS_CPU_INT_DISABLE();
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if (completion->done == (completion_done_t)-1) {
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TOS_CPU_INT_ENABLE();
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return K_ERR_COMPLETION_OVERFLOW;
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}
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++completion->done;
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if (pend_is_nopending(&completion->pend_obj)) {
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TOS_CPU_INT_ENABLE();
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return K_ERR_NONE;
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}
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pend_wakeup(&completion->pend_obj, PEND_STATE_POST, opt);
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TOS_CPU_INT_ENABLE();
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knl_sched();
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return K_ERR_NONE;
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}
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__API__ k_err_t tos_completion_post(k_completion_t *completion)
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{
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return completion_do_post(completion, OPT_POST_ONE);
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}
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__API__ k_err_t tos_completion_post_all(k_completion_t *completion)
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{
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return completion_do_post(completion, OPT_POST_ALL);
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}
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__API__ k_err_t tos_completion_reset(k_completion_t *completion)
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{
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TOS_CPU_CPSR_ALLOC();
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TOS_PTR_SANITY_CHECK(completion);
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TOS_OBJ_VERIFY(completion, KNL_OBJ_TYPE_COMPLETION);
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TOS_CPU_INT_DISABLE();
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completion->done = (completion_done_t)0u;
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TOS_CPU_INT_ENABLE();
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return K_ERR_NONE;
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}
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__API__ int tos_completion_is_done(k_completion_t *completion)
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{
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TOS_CPU_CPSR_ALLOC();
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int is_done = K_FALSE;
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TOS_PTR_SANITY_CHECK_RC(completion, K_FALSE);
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TOS_OBJ_VERIFY_RC(completion, KNL_OBJ_TYPE_COMPLETION, K_FALSE);
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TOS_CPU_INT_DISABLE();
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is_done = (completion->done > (completion_done_t)0u ? K_TRUE : K_FALSE);
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TOS_CPU_INT_ENABLE();
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return is_done;
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}
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#endif /* TOS_CFG_COMPLETION_EN */
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