Mercurial > hg > nginx-quic
view src/os/unix/ngx_darwin_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 | 710e35d17c28 |
children | 4919fb357a5d |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> char ngx_darwin_kern_ostype[16]; char ngx_darwin_kern_osrelease[128]; int ngx_darwin_hw_ncpu; int ngx_darwin_kern_ipc_somaxconn; u_long ngx_darwin_net_inet_tcp_sendspace; static ngx_os_io_t ngx_darwin_io = { ngx_unix_recv, ngx_readv_chain, ngx_udp_unix_recv, ngx_unix_send, #if (NGX_HAVE_SENDFILE) ngx_darwin_sendfile_chain, NGX_IO_SENDFILE #else ngx_writev_chain, 0 #endif }; typedef struct { char *name; void *value; size_t size; ngx_uint_t exists; } sysctl_t; sysctl_t sysctls[] = { { "hw.ncpu", &ngx_darwin_hw_ncpu, sizeof(ngx_darwin_hw_ncpu), 0 }, { "net.inet.tcp.sendspace", &ngx_darwin_net_inet_tcp_sendspace, sizeof(ngx_darwin_net_inet_tcp_sendspace), 0 }, { "kern.ipc.somaxconn", &ngx_darwin_kern_ipc_somaxconn, sizeof(ngx_darwin_kern_ipc_somaxconn), 0 }, { NULL, NULL, 0, 0 } }; ngx_int_t ngx_os_specific_init(ngx_log_t *log) { size_t size; ngx_err_t err; ngx_uint_t i; size = sizeof(ngx_darwin_kern_ostype); if (sysctlbyname("kern.ostype", ngx_darwin_kern_ostype, &size, NULL, 0) == -1) { err = ngx_errno; if (err != NGX_ENOENT) { ngx_log_error(NGX_LOG_ALERT, log, err, "sysctlbyname(kern.ostype) failed"); if (err != NGX_ENOMEM) { return NGX_ERROR; } ngx_darwin_kern_ostype[size - 1] = '\0'; } } size = sizeof(ngx_darwin_kern_osrelease); if (sysctlbyname("kern.osrelease", ngx_darwin_kern_osrelease, &size, NULL, 0) == -1) { err = ngx_errno; if (err != NGX_ENOENT) { ngx_log_error(NGX_LOG_ALERT, log, err, "sysctlbyname(kern.osrelease) failed"); if (err != NGX_ENOMEM) { return NGX_ERROR; } ngx_darwin_kern_osrelease[size - 1] = '\0'; } } for (i = 0; sysctls[i].name; i++) { size = sysctls[i].size; if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0) == 0) { sysctls[i].exists = 1; continue; } err = ngx_errno; if (err == NGX_ENOENT) { continue; } ngx_log_error(NGX_LOG_ALERT, log, err, "sysctlbyname(%s) failed", sysctls[i].name); return NGX_ERROR; } ngx_ncpu = ngx_darwin_hw_ncpu; if (ngx_darwin_kern_ipc_somaxconn > 32767) { ngx_log_error(NGX_LOG_ALERT, log, 0, "sysctl kern.ipc.somaxconn must be less than 32768"); return NGX_ERROR; } ngx_tcp_nodelay_and_tcp_nopush = 1; ngx_os_io = ngx_darwin_io; return NGX_OK; } void ngx_os_specific_status(ngx_log_t *log) { u_long value; ngx_uint_t i; if (ngx_darwin_kern_ostype[0]) { ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", ngx_darwin_kern_ostype, ngx_darwin_kern_osrelease); } for (i = 0; sysctls[i].name; i++) { if (sysctls[i].exists) { if (sysctls[i].size == sizeof(long)) { value = *(long *) sysctls[i].value; } else { value = *(int *) sysctls[i].value; } ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l", sysctls[i].name, value); } } }