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Annotation of embedaddon/nginx/src/os/unix/ngx_process.h, revision 1.1

1.1     ! misho       1: 
        !             2: /*
        !             3:  * Copyright (C) Igor Sysoev
        !             4:  * Copyright (C) Nginx, Inc.
        !             5:  */
        !             6: 
        !             7: 
        !             8: #ifndef _NGX_PROCESS_H_INCLUDED_
        !             9: #define _NGX_PROCESS_H_INCLUDED_
        !            10: 
        !            11: 
        !            12: #include <ngx_setaffinity.h>
        !            13: #include <ngx_setproctitle.h>
        !            14: 
        !            15: 
        !            16: typedef pid_t       ngx_pid_t;
        !            17: 
        !            18: #define NGX_INVALID_PID  -1
        !            19: 
        !            20: typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
        !            21: 
        !            22: typedef struct {
        !            23:     ngx_pid_t           pid;
        !            24:     int                 status;
        !            25:     ngx_socket_t        channel[2];
        !            26: 
        !            27:     ngx_spawn_proc_pt   proc;
        !            28:     void               *data;
        !            29:     char               *name;
        !            30: 
        !            31:     unsigned            respawn:1;
        !            32:     unsigned            just_spawn:1;
        !            33:     unsigned            detached:1;
        !            34:     unsigned            exiting:1;
        !            35:     unsigned            exited:1;
        !            36: } ngx_process_t;
        !            37: 
        !            38: 
        !            39: typedef struct {
        !            40:     char         *path;
        !            41:     char         *name;
        !            42:     char *const  *argv;
        !            43:     char *const  *envp;
        !            44: } ngx_exec_ctx_t;
        !            45: 
        !            46: 
        !            47: #define NGX_MAX_PROCESSES         1024
        !            48: 
        !            49: #define NGX_PROCESS_NORESPAWN     -1
        !            50: #define NGX_PROCESS_JUST_SPAWN    -2
        !            51: #define NGX_PROCESS_RESPAWN       -3
        !            52: #define NGX_PROCESS_JUST_RESPAWN  -4
        !            53: #define NGX_PROCESS_DETACHED      -5
        !            54: 
        !            55: 
        !            56: #define ngx_getpid   getpid
        !            57: 
        !            58: #ifndef ngx_log_pid
        !            59: #define ngx_log_pid  ngx_pid
        !            60: #endif
        !            61: 
        !            62: 
        !            63: ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
        !            64:     ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn);
        !            65: ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
        !            66: ngx_int_t ngx_init_signals(ngx_log_t *log);
        !            67: void ngx_debug_point(void);
        !            68: 
        !            69: 
        !            70: #if (NGX_HAVE_SCHED_YIELD)
        !            71: #define ngx_sched_yield()  sched_yield()
        !            72: #else
        !            73: #define ngx_sched_yield()  usleep(1)
        !            74: #endif
        !            75: 
        !            76: 
        !            77: extern int            ngx_argc;
        !            78: extern char         **ngx_argv;
        !            79: extern char         **ngx_os_argv;
        !            80: 
        !            81: extern ngx_pid_t      ngx_pid;
        !            82: extern ngx_socket_t   ngx_channel;
        !            83: extern ngx_int_t      ngx_process_slot;
        !            84: extern ngx_int_t      ngx_last_process;
        !            85: extern ngx_process_t  ngx_processes[NGX_MAX_PROCESSES];
        !            86: 
        !            87: 
        !            88: #endif /* _NGX_PROCESS_H_INCLUDED_ */