audit_sig_pid 126 kernel/audit.c pid_t audit_sig_pid = -1; audit_sig_pid 1436 kernel/audit.c sig_data->pid = audit_sig_pid; audit_sig_pid 2283 kernel/audit.c audit_sig_pid = task_tgid_nr(current); audit_sig_pid 330 kernel/audit.h extern pid_t audit_sig_pid;