1 /*
2  * %CopyrightBegin%
3  *
4  * Copyright Ericsson AB and Kjell Winblad 2019. All Rights Reserved.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *     http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *
18  * %CopyrightEnd%
19  */
20 
21 /*
22  * Description:
23  *
24  * Author: Kjell Winblad
25  *
26  */
27 
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 
32 #define YCF_YIELD()
33 
34 int A(int depth);
35 int B(int depth);
36 
A(int depth)37 int A(int depth){
38   int b;
39   YCF_YIELD();
40   depth++;
41   printf("A ");
42   YCF_YIELD();
43   if(depth == 100){
44     return 1;
45   } else {
46     b = B(depth);
47   }
48   YCF_YIELD();
49   return b + 1;
50 }
51 
B(int depth)52 int B(int depth){
53   int a;
54   YCF_YIELD();
55   depth++;
56   printf("B ");
57   YCF_YIELD();
58   if(depth == 100){
59     YCF_YIELD();
60     return 1;
61   } else {
62     a = A(depth);
63   }
64   YCF_YIELD();
65   return a + 1;
66 }
67