test/e2e/cases/profiling/task/offcpu/c/file.c

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include <stdio.h>
#include <stdlib.h>

int main() {
   while (1)
   {
        FILE *fptr;

        // use appropriate location if you are using MacOS or Linux
        fptr = fopen("/tmp/skywalking-rover-e2e-test","w");

        if(fptr == NULL)
        {
           printf("Error!");
           exit(1);
        }

        fprintf(fptr,"%d",1);
        fclose(fptr);
   }
   return 0;
}