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