1 /* (c) 2007,2008 Andrei Nigmatulin */ 2 3 #ifndef FPM_PROCESS_CTL_H 4 #define FPM_PROCESS_CTL_H 1 5 6 #include "fpm_events.h" 7 8 /* spawn max 32 children at once */ 9 #define FPM_MAX_SPAWN_RATE (32) 10 /* 1s (in ms) heartbeat for idle server maintenance */ 11 #define FPM_IDLE_SERVER_MAINTENANCE_HEARTBEAT (1000) 12 /* a minimum of 130ms heartbeat for pctl */ 13 #define FPM_PCTL_MIN_HEARTBEAT (130) 14 15 16 struct fpm_child_s; 17 18 void fpm_pctl(int new_state, int action); 19 int fpm_pctl_can_spawn_children(void); 20 int fpm_pctl_kill(pid_t pid, int how); 21 void fpm_pctl_kill_all(int signo); 22 void fpm_pctl_heartbeat(struct fpm_event_s *ev, short which, void *arg); 23 void fpm_pctl_perform_idle_server_maintenance_heartbeat(struct fpm_event_s *ev, short which, void *arg); 24 void fpm_pctl_on_socket_accept(struct fpm_event_s *ev, short which, void *arg); 25 int fpm_pctl_child_exited(void); 26 int fpm_pctl_init_main(void); 27 28 29 enum { 30 FPM_PCTL_STATE_UNSPECIFIED, 31 FPM_PCTL_STATE_NORMAL, 32 FPM_PCTL_STATE_RELOADING, 33 FPM_PCTL_STATE_TERMINATING, 34 FPM_PCTL_STATE_FINISHING 35 }; 36 37 enum { 38 FPM_PCTL_ACTION_SET, 39 FPM_PCTL_ACTION_TIMEOUT, 40 FPM_PCTL_ACTION_LAST_CHILD_EXITED 41 }; 42 43 enum { 44 FPM_PCTL_TERM, 45 FPM_PCTL_STOP, 46 FPM_PCTL_CONT, 47 FPM_PCTL_QUIT, 48 FPM_PCTL_KILL 49 }; 50 51 #endif 52