Fork!

fork.cpp

@@ -0,0 +1,22 @@
+#include <iostream>
+#include <unistd.h>
+#include <sys/wait.h>
+
+int main() {
+    std::cout << "wo shi ni die" << std::endl;
+    pid_t pid;
+    int result;
+    for (int i = 0; i < 1024; i++) {
+        if ((pid = fork()) == 0) {
+            std::cout << "child #" << i << std::endl;
+            exit(i);
+            // return 0;
+        }
+        else {
+            waitpid(pid, &result, 0);
+        }
+        std::cout << "child #" << i << " exited with code" << WEXITSTATUS(result) << std::endl;
+    }
+
+    return 0;
+}