Mercurial > hg > nginx-quic
view src/os/unix/ngx_linux_init.c @ 5905:2f7e557eab5b
Cache: proxy_cache_lock_age and friends.
Once this age is reached, the cache lock is discarded and another
request can acquire the lock. Requests which failed to acquire
the lock are not allowed to cache the response.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Tue, 18 Nov 2014 20:41:12 +0300 |
parents | d620f497c50f |
children | adba26ff70b5 |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #include <ngx_config.h> #include <ngx_core.h> u_char ngx_linux_kern_ostype[50]; u_char ngx_linux_kern_osrelease[50]; int ngx_linux_rtsig_max; static ngx_os_io_t ngx_linux_io = { ngx_unix_recv, ngx_readv_chain, ngx_udp_unix_recv, ngx_unix_send, #if (NGX_HAVE_SENDFILE) ngx_linux_sendfile_chain, NGX_IO_SENDFILE #else ngx_writev_chain, 0 #endif }; ngx_int_t ngx_os_specific_init(ngx_log_t *log) { struct utsname u; if (uname(&u) == -1) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "uname() failed"); return NGX_ERROR; } (void) ngx_cpystrn(ngx_linux_kern_ostype, (u_char *) u.sysname, sizeof(ngx_linux_kern_ostype)); (void) ngx_cpystrn(ngx_linux_kern_osrelease, (u_char *) u.release, sizeof(ngx_linux_kern_osrelease)); #if (NGX_HAVE_RTSIG) { int name[2]; size_t len; ngx_err_t err; name[0] = CTL_KERN; name[1] = KERN_RTSIGMAX; len = sizeof(ngx_linux_rtsig_max); if (sysctl(name, 2, &ngx_linux_rtsig_max, &len, NULL, 0) == -1) { err = ngx_errno; if (err != NGX_ENOTDIR && err != NGX_ENOSYS) { ngx_log_error(NGX_LOG_ALERT, log, err, "sysctl(KERN_RTSIGMAX) failed"); return NGX_ERROR; } ngx_linux_rtsig_max = 0; } } #endif ngx_os_io = ngx_linux_io; return NGX_OK; } void ngx_os_specific_status(ngx_log_t *log) { ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", ngx_linux_kern_ostype, ngx_linux_kern_osrelease); #if (NGX_HAVE_RTSIG) ngx_log_error(NGX_LOG_NOTICE, log, 0, "sysctl(KERN_RTSIGMAX): %d", ngx_linux_rtsig_max); #endif }