platform_system_sepolicy/procrank.te

# File types must be defined for file_contexts.
type procrank_exec, exec_type, file_type;

userdebug_or_eng(`
  type procrank, domain, mlstrustedsubject;

  domain_auto_trans(shell, procrank_exec, procrank)
  domain_auto_trans(dumpstate, procrank_exec, procrank)
  allow procrank self:capability sys_ptrace;
  allow procrank devpts:chr_file { read write getattr ioctl };
  allow procrank dumpstate:unix_stream_socket { read write getattr };
  r_dir_file(procrank, domain)
  allow procrank { shell dumpstate }:fd use;
  allow procrank adbd:process sigchld;
')