PTRACE_O_EXITKILL 36 include/linux/ptrace.h #define PT_EXITKILL (PTRACE_O_EXITKILL << PT_OPT_FLAG_SHIFT) PTRACE_O_EXITKILL 94 include/uapi/linux/ptrace.h #define PTRACE_O_MASK (0x000000ff | PTRACE_O_EXITKILL)