Mercurial > hg > nginx
view src/os/win32/ngx_process.h @ 7670:ccb5ff87ab3e
Cache: introduced min_free cache clearing.
Clearing cache based on free space left on a file system is
expected to allow better disk utilization in some cases, notably
when disk space might be also used for something other than nginx
cache (including nginx own temporary files) and while loading
cache (when cache size might be inaccurate for a while, effectively
disabling max_size cache clearing).
Based on a patch by Adam Bambuch.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 22 Jun 2020 18:03:00 +0300 |
parents | 8b84d60ef13d |
children |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_PROCESS_H_INCLUDED_ #define _NGX_PROCESS_H_INCLUDED_ typedef DWORD ngx_pid_t; #define NGX_INVALID_PID 0 #define ngx_getpid GetCurrentProcessId #define ngx_getppid() 0 #define ngx_log_pid ngx_pid #define NGX_PROCESS_SYNC_NAME \ (sizeof("ngx_cache_manager_mutex_") + NGX_INT32_LEN) typedef uint64_t ngx_cpuset_t; typedef struct { HANDLE handle; ngx_pid_t pid; char *name; HANDLE term; HANDLE quit; HANDLE reopen; u_char term_event[NGX_PROCESS_SYNC_NAME]; u_char quit_event[NGX_PROCESS_SYNC_NAME]; u_char reopen_event[NGX_PROCESS_SYNC_NAME]; unsigned just_spawn:1; unsigned exiting:1; } ngx_process_t; typedef struct { char *path; char *name; char *args; char *const *argv; char *const *envp; HANDLE child; } ngx_exec_ctx_t; ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle, char *name, ngx_int_t respawn); ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx); #define ngx_debug_point() #define ngx_sched_yield() SwitchToThread() #define NGX_MAX_PROCESSES (MAXIMUM_WAIT_OBJECTS - 4) #define NGX_PROCESS_RESPAWN -2 #define NGX_PROCESS_JUST_RESPAWN -3 extern int ngx_argc; extern char **ngx_argv; extern char **ngx_os_argv; extern ngx_int_t ngx_last_process; extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES]; extern ngx_pid_t ngx_pid; extern ngx_pid_t ngx_parent; #endif /* _NGX_PROCESS_H_INCLUDED_ */