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#include <assert.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
siginfo_t si;
int main() {
int pid = fork();
if(!pid)
exit(69);
int ret = waitid(P_ALL, 0, &si, WEXITED);
assert(ret == 0);
assert(si.si_pid == pid);
assert(si.si_signo == SIGCHLD);
assert(si.si_code == CLD_EXITED);
}
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