1 2 /* 3 * Copyright (C) Igor Sysoev 4 * Copyright (C) NGINX, Inc. 5 */ 6 7 #ifndef _NXT_SIGNAL_H_INCLUDED_ 8 #define _NXT_SIGNAL_H_INCLUDED_ 9 10 11 struct nxt_sig_event_s { 12 int signo; 13 nxt_work_handler_t handler; 14 const char *name; 15 }; 16 17 #define nxt_event_signal(sig, handler) \ 18 { sig, handler, #sig } 19 20 #define nxt_event_signal_end \ 21 { 0, NULL, NULL } 22 23 24 typedef struct { 25 /* Used by epoll and eventport. */ 26 nxt_work_handler_t handler; 27 28 const nxt_sig_event_t *sigev; 29 sigset_t sigmask; 30 31 /* Used by the signal thread. */ 32 nxt_pid_t process; 33 nxt_thread_handle_t thread; 34 } nxt_event_signals_t; 35 36 37 nxt_event_signals_t *nxt_event_engine_signals(const nxt_sig_event_t *sigev); 38 39 #define nxt_event_engine_signals_start(engine) \ 40 nxt_signal_thread_start(engine) 41 42 #define nxt_event_engine_signals_stop(engine) \ 43 nxt_signal_thread_stop(engine) 44 45 46 NXT_EXPORT nxt_int_t nxt_signal_thread_start(nxt_event_engine_t *engine); 47 NXT_EXPORT void nxt_signal_thread_stop(nxt_event_engine_t *engine); 48 49 50 #endif /* _NXT_SIGNAL_H_INCLUDED_ */ 51