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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;
}
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