text: /* Copyright (c) 2003-2004, Roger Dingledine
   * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   * Copyright (c) 2007-2020, The Tor Project, Inc. */
  /* See LICENSE for licensing information */
  
  /**
   * @file subsysmgr.h
   * @brief Header for subsysmgr.c
   **/
  
  #ifndef TOR_SUBSYSMGR_T
  #define TOR_SUBSYSMGR_T
  
  #include "lib/subsys/subsys.h"
  
  extern const struct subsys_fns_t *tor_subsystems[];
  extern const unsigned n_tor_subsystems;
  
  int subsystems_init(void);
  int subsystems_init_upto(int level);
  
  struct pubsub_builder_t;
  int subsystems_add_pubsub_upto(struct pubsub_builder_t *builder,
                                 int target_level);
  int subsystems_add_pubsub(struct pubsub_builder_t *builder);
  
  void subsystems_shutdown(void);
  void subsystems_shutdown_downto(int level);
  
  void subsystems_prefork(void);
  void subsystems_postfork(void);
  void subsystems_thread_cleanup(void);
  
  struct config_mgr_t;
  int subsystems_register_options_formats(struct config_mgr_t *mgr);
  int subsystems_register_state_formats(struct config_mgr_t *mgr);
  struct or_options_t;
  struct or_state_t;
  int subsystems_set_options(const struct config_mgr_t *mgr,
                             struct or_options_t *options);
  int subsystems_set_state(const struct config_mgr_t *mgr,
                           struct or_state_t *state);
  int subsystems_flush_state(const struct config_mgr_t *mgr,
                             struct or_state_t *state);
  
  #ifdef TOR_UNIT_TESTS
  int subsystems_get_options_idx(const subsys_fns_t *sys);
  int subsystems_get_state_idx(const subsys_fns_t *sys);
  #endif
  
  #endif /* !defined(TOR_SUBSYSMGR_T) */
  