ptrace_pass
enum ptrace_pass pass = sh->ptrace_pass;
enum ptrace_pass pass;
for (sh->ptrace_pass = pass = PTP_NOTHING; pass < PTP_DONE;
sh->ptrace_pass = ++pass) {
static void mess_with_syscall(pid_t testpid, enum ptrace_pass pass)
mess_with_syscall(testpid, sh->ptrace_pass);
} while (sh->ptrace_pass != PTP_DONE &&
enum ptrace_pass ptrace_pass;