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* Copyright (C) Igor Sysoev
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* Copyright (C) Nginx, Inc.
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#include <ngx_config.h>
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char ngx_darwin_kern_ostype[16];
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char ngx_darwin_kern_osrelease[128];
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int ngx_darwin_hw_ncpu;
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int ngx_darwin_kern_ipc_somaxconn;
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u_long ngx_darwin_net_inet_tcp_sendspace;
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ngx_uint_t ngx_debug_malloc;
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static ngx_os_io_t ngx_darwin_io = {
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#if (NGX_HAVE_SENDFILE)
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ngx_darwin_sendfile_chain,
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sysctl_t sysctls[] = {
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sizeof(ngx_darwin_hw_ncpu), 0 },
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{ "net.inet.tcp.sendspace",
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&ngx_darwin_net_inet_tcp_sendspace,
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sizeof(ngx_darwin_net_inet_tcp_sendspace), 0 },
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{ "kern.ipc.somaxconn",
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&ngx_darwin_kern_ipc_somaxconn,
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sizeof(ngx_darwin_kern_ipc_somaxconn), 0 },
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#if (NGX_DEBUG_MALLOC)
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* MacOSX 10.6, 10.7: MallocScribble fills freed memory with 0x55
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* and fills allocated memory with 0xAA.
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* MacOSX 10.4, 10.5: MallocScribble fills freed memory with 0x55,
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* MallocPreScribble fills allocated memory with 0xAA.
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* MacOSX 10.3: MallocScribble fills freed memory with 0x55,
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* and no way to fill allocated memory.
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setenv("MallocScribble", "1", 0);
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if (getenv("MallocScribble")) {
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ngx_os_specific_init(ngx_log_t *log)
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size = sizeof(ngx_darwin_kern_ostype);
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if (sysctlbyname("kern.ostype", ngx_darwin_kern_ostype, &size, NULL, 0)
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if (err != NGX_ENOENT) {
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ngx_log_error(NGX_LOG_ALERT, log, err,
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"sysctlbyname(kern.ostype) failed");
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if (err != NGX_ENOMEM) {
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ngx_darwin_kern_ostype[size - 1] = '\0';
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size = sizeof(ngx_darwin_kern_osrelease);
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if (sysctlbyname("kern.osrelease", ngx_darwin_kern_osrelease, &size,
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if (err != NGX_ENOENT) {
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ngx_log_error(NGX_LOG_ALERT, log, err,
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"sysctlbyname(kern.osrelease) failed");
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if (err != NGX_ENOMEM) {
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ngx_darwin_kern_osrelease[size - 1] = '\0';
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for (i = 0; sysctls[i].name; i++) {
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size = sysctls[i].size;
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if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
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sysctls[i].exists = 1;
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if (err == NGX_ENOENT) {
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ngx_log_error(NGX_LOG_ALERT, log, err,
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"sysctlbyname(%s) failed", sysctls[i].name);
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ngx_ncpu = ngx_darwin_hw_ncpu;
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if (ngx_darwin_kern_ipc_somaxconn > 32767) {
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ngx_log_error(NGX_LOG_ALERT, log, 0,
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"sysctl kern.ipc.somaxconn must be less than 32768");
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ngx_tcp_nodelay_and_tcp_nopush = 1;
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ngx_os_io = ngx_darwin_io;
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ngx_os_specific_status(ngx_log_t *log)
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if (ngx_darwin_kern_ostype[0]) {
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ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
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ngx_darwin_kern_ostype, ngx_darwin_kern_osrelease);
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for (i = 0; sysctls[i].name; i++) {
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if (sysctls[i].exists) {
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if (sysctls[i].size == sizeof(long)) {
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value = *(long *) sysctls[i].value;
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value = *(int *) sysctls[i].value;
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ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
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sysctls[i].name, value);