Mercurial > hg > nginx-quic
view src/os/unix/ngx_linux_init.c @ 935:db8e718447f1
use light-weight sync on ppc64
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 19 Dec 2006 15:23:20 +0000 |
parents | b80f94fa2197 |
children | 82528072f415 |
line wrap: on
line source
/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> static ngx_int_t ngx_linux_procfs(char *name, char *buf, size_t len, ngx_log_t *log); char ngx_linux_kern_ostype[50]; char ngx_linux_kern_osrelease[20]; int ngx_linux_rtsig_max; static ngx_os_io_t ngx_linux_io = { ngx_unix_recv, ngx_readv_chain, 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) { int name[2]; size_t len; ngx_err_t err; if (ngx_linux_procfs("/proc/sys/kernel/ostype", ngx_linux_kern_ostype, sizeof(ngx_linux_kern_ostype), log) == -1) { return NGX_ERROR; } if (ngx_linux_procfs("/proc/sys/kernel/osrelease", ngx_linux_kern_osrelease, sizeof(ngx_linux_kern_osrelease), log) == -1) { return NGX_ERROR; } 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; } 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); ngx_log_error(NGX_LOG_NOTICE, log, 0, "sysctl(KERN_RTSIGMAX): %d", ngx_linux_rtsig_max); } static ngx_int_t ngx_linux_procfs(char *name, char *buf, size_t len, ngx_log_t *log) { int n; ngx_fd_t fd; fd = open(name, O_RDONLY); if (fd == NGX_INVALID_FILE) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "open(\"%s\") failed", name); return NGX_ERROR; } n = read(fd, buf, len); if (n == -1) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "read(\"%s\") failed", name); } else { if (buf[n - 1] == '\n') { buf[--n] = '\0'; } } ngx_close_file(fd); return n; }