diff options
Diffstat (limited to 'app/nginx/src/os/unix/ngx_process.h')
-rw-r--r-- | app/nginx/src/os/unix/ngx_process.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/app/nginx/src/os/unix/ngx_process.h b/app/nginx/src/os/unix/ngx_process.h new file mode 100644 index 0000000..7b5e8c0 --- /dev/null +++ b/app/nginx/src/os/unix/ngx_process.h @@ -0,0 +1,88 @@ + +/* + * Copyright (C) Igor Sysoev + * Copyright (C) Nginx, Inc. + */ + + +#ifndef _NGX_PROCESS_H_INCLUDED_ +#define _NGX_PROCESS_H_INCLUDED_ + + +#include <ngx_setaffinity.h> +#include <ngx_setproctitle.h> + + +typedef pid_t ngx_pid_t; + +#define NGX_INVALID_PID -1 + +typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data); + +typedef struct { + ngx_pid_t pid; + int status; + ngx_socket_t channel[2]; + + ngx_spawn_proc_pt proc; + void *data; + char *name; + + unsigned respawn:1; + unsigned just_spawn:1; + unsigned detached:1; + unsigned exiting:1; + unsigned exited:1; +} ngx_process_t; + + +typedef struct { + char *path; + char *name; + char *const *argv; + char *const *envp; +} ngx_exec_ctx_t; + + +#define NGX_MAX_PROCESSES 1024 + +#define NGX_PROCESS_NORESPAWN -1 +#define NGX_PROCESS_JUST_SPAWN -2 +#define NGX_PROCESS_RESPAWN -3 +#define NGX_PROCESS_JUST_RESPAWN -4 +#define NGX_PROCESS_DETACHED -5 + + +#define ngx_getpid getpid + +#ifndef ngx_log_pid +#define ngx_log_pid ngx_pid +#endif + + +ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle, + ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn); +ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx); +ngx_int_t ngx_init_signals(ngx_log_t *log); +void ngx_debug_point(void); + + +#if (NGX_HAVE_SCHED_YIELD) +#define ngx_sched_yield() sched_yield() +#else +#define ngx_sched_yield() usleep(1) +#endif + + +extern int ngx_argc; +extern char **ngx_argv; +extern char **ngx_os_argv; + +extern ngx_pid_t ngx_pid; +extern ngx_socket_t ngx_channel; +extern ngx_int_t ngx_process_slot; +extern ngx_int_t ngx_last_process; +extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES]; + + +#endif /* _NGX_PROCESS_H_INCLUDED_ */ |