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
16 #include "ffrt_inner.h"
17
ffrt_submit_example1()18 int ffrt_submit_example1()
19 {
20 int x = 0;
21 ffrt::submit([&]() { x = 2; }, {}, {&x});
22 ffrt::submit([&]() { x = x * 3; }, {&x}, {});
23 ffrt::wait();
24 printf("hello ffrt. x=%d\n", x);
25 return 0;
26 }
ffrt_submit_example2()27 int ffrt_submit_example2()
28 {
29 int x = 0;
30 ffrt::submit([&]() { x = 2; }, {}, {&x}, ffrt::task_attr().name("add2"));
31 ffrt::submit([&]() { x = x * 3; }, {&x}, {},
32 ffrt::task_attr().name("mul3")); // default to CPU
33 ffrt::wait();
34 printf("hello ffrt. x=%d\n", x);
35 return 0;
36 }
37
ffrt_submit_example3()38 int ffrt_submit_example3()
39 {
40 int x = 0;
41 ffrt::task_handle h = ffrt::submit_h([&]() { x = 2; }, {}, {});
42 ffrt::wait({h});
43 printf("hello ffrt, x=%d\n", x);
44 return 0;
45 }
46
main()47 int main()
48 {
49 ffrt_submit_example1();
50 ffrt_submit_example2();
51 ffrt_submit_example3();
52 return 0;
53 }