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#ifndef _NGX_PROCESS_CYCLE_H_INCLUDED_
#define _NGX_PROCESS_CYCLE_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#define NGX_CMD_OPEN_CHANNEL 1
#define NGX_CMD_CLOSE_CHANNEL 2
#define NGX_CMD_QUIT 3
#define NGX_CMD_TERMINATE 4
#define NGX_CMD_REOPEN 5
typedef struct {
ngx_uint_t command;
ngx_pid_t pid;
ngx_int_t slot;
ngx_fd_t fd;
} ngx_channel_t;
typedef struct {
int argc;
char *const *argv;
} ngx_master_ctx_t;
#define NGX_PROCESS_SINGLE 0
#define NGX_PROCESS_MASTER 1
#define NGX_PROCESS_WORKER 2
void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx);
void ngx_single_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx);
ngx_int_t ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
ngx_log_t *log);
ngx_int_t ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
ngx_log_t *log);
extern ngx_uint_t ngx_process;
extern ngx_pid_t ngx_pid;
extern ngx_pid_t ngx_new_binary;
extern ngx_uint_t ngx_inherited;
extern ngx_uint_t ngx_threaded;
extern ngx_uint_t ngx_exiting;
extern sig_atomic_t ngx_reap;
extern sig_atomic_t ngx_timer;
extern sig_atomic_t ngx_sigio;
extern sig_atomic_t ngx_quit;
extern sig_atomic_t ngx_terminate;
extern sig_atomic_t ngx_noaccept;
extern sig_atomic_t ngx_reconfigure;
extern sig_atomic_t ngx_reopen;
extern sig_atomic_t ngx_change_binary;
#endif /* _NGX_PROCESS_CYCLE_H_INCLUDED_ */
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