Mercurial > hg > nginx-quic
view src/os/unix/ngx_linux_init.c @ 4448:539355d9e675 stable-1.0
Merge of r4404:
Fixed sched_setaffinity(2) to correctly pass size.
Second argument (cpusetsize) is size in bytes, not in bits. Previously
used constant 32 resulted in reading of uninitialized memory and caused
EINVAL to be returned on some Linux kernels.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Sun, 05 Feb 2012 19:25:24 +0000 |
parents | cf148caa9347 |
children | d620f497c50f |
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/* * Copyright (C) Igor Sysoev */ #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 }