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| #include <stdlib.h>
| #include <sys/wait.h>
| #include <unistd.h>
|
| constexpr int LOOP_COUNT = 100000000;
|
| volatile int a[2];
| void ParentFunction() {
| volatile int* p = a + atoi("0");
| for (int i = 0; i < LOOP_COUNT; ++i) {
| *p = i;
| }
| }
|
| void ChildFunction() {
| volatile int* p = a + atoi("1");
| for (int i = 0; i < LOOP_COUNT; ++i) {
| *p = i;
| }
| }
|
| int main() {
| while (true) {
| pid_t pid = fork();
| if (pid == 0) {
| ChildFunction();
| return 0;
| } else {
| ParentFunction();
| waitpid(pid, nullptr, 0);
| }
| }
| return 0;
| }
|
|
