1
2 /*
3 * Copyright (C) Igor Sysoev
4 */
5
6
7 #include <ngx_config.h>
8 #include <ngx_core.h>
9
10
11 char ngx_darwin_kern_ostype[16];
12 char ngx_darwin_kern_osrelease[128];
13 int ngx_darwin_hw_ncpu;
14 int ngx_darwin_kern_ipc_somaxconn;
15 u_long ngx_darwin_net_inet_tcp_sendspace;
16
17
18 static ngx_os_io_t ngx_darwin_io = {
19 ngx_unix_recv,
20 ngx_readv_chain,
21 ngx_udp_unix_recv,
22 ngx_unix_send,
23 #if (NGX_HAVE_SENDFILE)
24 ngx_darwin_sendfile_chain,
25 NGX_IO_SENDFILE
26 #else
27 ngx_writev_chain,
28 0
29 #endif
30 };
31
32
33 typedef struct {
34 char *name;
35 void *value;
36 size_t size;
37 ngx_uint_t exists;
38 } sysctl_t;
39
40
41 sysctl_t sysctls[] = {
42 { "hw.ncpu",
43 &ngx_darwin_hw_ncpu,
44 sizeof(ngx_darwin_hw_ncpu), 0 },
45
46 { "net.inet.tcp.sendspace",
47 &ngx_darwin_net_inet_tcp_sendspace,
48 sizeof(ngx_darwin_net_inet_tcp_sendspace), 0 },
49
50 { "kern.ipc.somaxconn",
51 &ngx_darwin_kern_ipc_somaxconn,
52 sizeof(ngx_darwin_kern_ipc_somaxconn), 0 },
53
54 { NULL, NULL, 0, 0 }
55 };
56
57
58 ngx_int_t
59 ngx_os_specific_init(ngx_log_t *log)
60 {
61 int somaxconn;
62 size_t size;
63 ngx_err_t err;
64 ngx_uint_t i;
65
66 size = sizeof(ngx_darwin_kern_ostype);
67 if (sysctlbyname("kern.ostype", ngx_darwin_kern_ostype, &size, NULL, 0)
68 == -1)
69 {
70 err = ngx_errno;
71
72 if (err != NGX_ENOENT) {
73
74 ngx_log_error(NGX_LOG_ALERT, log, err,
75 "sysctlbyname(kern.ostype) failed");
76
77 if (err != NGX_ENOMEM) {
78 return NGX_ERROR;
79 }
80
81 ngx_darwin_kern_ostype[size - 1] = '\0';
82 }
83 }
84
85 size = sizeof(ngx_darwin_kern_osrelease);
86 if (sysctlbyname("kern.osrelease", ngx_darwin_kern_osrelease, &size,
87 NULL, 0)
88 == -1)
89 {
90 err = ngx_errno;
91
92 if (err != NGX_ENOENT) {
93
94 ngx_log_error(NGX_LOG_ALERT, log, err,
95 "sysctlbyname(kern.osrelease) failed");
96
97 if (err != NGX_ENOMEM) {
98 return NGX_ERROR;
99 }
100
101 ngx_darwin_kern_osrelease[size - 1] = '\0';
102 }
103 }
104
105 for (i = 0; sysctls[i].name; i++) {
106 size = sysctls[i].size;
107
108 if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
109 == 0)
110 {
111 sysctls[i].exists = 1;
112 continue;
113 }
114
115 err = ngx_errno;
116
117 if (err == NGX_ENOENT) {
118 continue;
119 }
120
121 ngx_log_error(NGX_LOG_ALERT, log, err,
122 "sysctlbyname(%s) failed", sysctls[i].name);
123 return NGX_ERROR;
124 }
125
126 ngx_ncpu = ngx_darwin_hw_ncpu;
127
128 somaxconn = 32676;
129
130 if (ngx_darwin_kern_ipc_somaxconn > somaxconn) {
131 ngx_log_error(NGX_LOG_ALERT, log, 0,
132 "sysctl kern.ipc.somaxconn must be no more than %d",
133 somaxconn);
134 return NGX_ERROR;
135 }
136
137 ngx_tcp_nodelay_and_tcp_nopush = 1;
138
139 ngx_os_io = ngx_darwin_io;
140
141 return NGX_OK;
142 }
143
144
145 void
146 ngx_os_specific_status(ngx_log_t *log)
147 {
148 u_long value;
149 ngx_uint_t i;
150
151 if (ngx_darwin_kern_ostype[0]) {
152 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
153 ngx_darwin_kern_ostype, ngx_darwin_kern_osrelease);
154 }
155
156 for (i = 0; sysctls[i].name; i++) {
157 if (sysctls[i].exists) {
158 if (sysctls[i].size == sizeof(long)) {
159 value = *(long *) sysctls[i].value;
160
161 } else {
162 value = *(int *) sysctls[i].value;
163 }
164
165 ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
166 sysctls[i].name, value);
167 }
168 }
169 }
170
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