1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include <pthread.h>
16 #include "tm/io_task.h"
17 #include "core/task_io.h"
18 #ifdef FFRT_CO_BACKTRACE_OH_ENABLE
19 #include <dlfcn.h>
20 #endif
21 #include "util/slab.h"
22 #include "util/ffrt_facade.h"
23 #include "util/spmc_queue.h"
24
25 #define ENABLE_LOCAL_QUEUE
26
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 API_ATTRIBUTE((visibility("default")))
ffrt_submit_coroutine(void * co,ffrt_coroutine_ptr_t exec,ffrt_function_t destroy,const ffrt_deps_t * in_deps,const ffrt_deps_t * out_deps,const ffrt_task_attr_t * attr)31 void ffrt_submit_coroutine(void* co, ffrt_coroutine_ptr_t exec, ffrt_function_t destroy, const ffrt_deps_t* in_deps,
32 const ffrt_deps_t* out_deps, const ffrt_task_attr_t* attr)
33 {
34 FFRT_COND_DO_ERR((exec == nullptr), return, "input invalid, exec == nullptr");
35 FFRT_COND_DO_ERR((destroy == nullptr), return, "input invalid, destroy == nullptr");
36
37 ffrt::task_attr_private *p = reinterpret_cast<ffrt::task_attr_private *>(const_cast<ffrt_task_attr_t *>(attr));
38
39 (void)in_deps;
40 (void)out_deps;
41 ffrt::ffrt_io_callable_t work;
42 work.exec = exec;
43 work.destroy = destroy;
44 work.data = co;
45 if (likely(attr == nullptr || ffrt_task_attr_get_delay(attr) == 0)) {
46 ffrt::FFRTFacade::GetDMInstance().onSubmitIO(work, p);
47 return;
48 }
49 FFRT_LOGE("io function does not support delay");
50 }
51
52 API_ATTRIBUTE((visibility("default")))
ffrt_get_current_task(void)53 void* ffrt_get_current_task(void)
54 {
55 auto task = ffrt::ExecuteCtx::Cur()->task;
56 if (!ffrt::IsCoTask(task)) {
57 return reinterpret_cast<void*>(task);
58 }
59 return nullptr;
60 }
61
62 // API used to schedule stackless coroutine task
63 API_ATTRIBUTE((visibility("default")))
ffrt_wake_coroutine(void * task)64 void ffrt_wake_coroutine(void* task)
65 {
66 if (task == nullptr) {
67 FFRT_LOGE("Task is nullptr.");
68 return;
69 }
70
71 #ifdef FFRT_BBOX_ENABLE
72 TaskWakeCounterInc();
73 #endif
74
75 ffrt::TaskBase* wakedTask = static_cast<ffrt::TaskBase*>(task);
76 wakedTask->SetStatus(ffrt::TaskStatus::READY);
77 int qos = wakedTask->qos_;
78 ffrt::FFRTFacade::GetSchedInstance()->PushTask(wakedTask->qos_, wakedTask);
79 if (ffrt::FFRTFacade::GetSchedInstance()->GetTaskSchedMode(qos)
80 == ffrt::TaskSchedMode::DEFAULT_TASK_SCHED_MODE) {
81 ffrt::FFRTFacade::GetEUInstance().NotifyTask<ffrt::TaskNotifyType::TASK_LOCAL>(qos);
82 }
83 }
84 #ifdef __cplusplus
85 }
86 #endif
87