1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
/*
* Copyright (C) Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
/* FreeBSD 3.0 at least */
char ngx_freebsd_kern_ostype[16];
char ngx_freebsd_kern_osrelease[128];
int ngx_freebsd_kern_osreldate;
int ngx_freebsd_hw_ncpu;
int ngx_freebsd_kern_ipc_somaxconn;
u_long ngx_freebsd_net_inet_tcp_sendspace;
/* FreeBSD 4.9 */
int ngx_freebsd_machdep_hlt_logical_cpus;
/* FreeBSD 5.0 */
int ngx_freebsd_kern_ipc_zero_copy_send;
ngx_uint_t ngx_freebsd_sendfile_nbytes_bug;
ngx_uint_t ngx_freebsd_use_tcp_nopush;
static ngx_os_io_t ngx_freebsd_io = {
ngx_unix_recv,
ngx_readv_chain,
ngx_unix_send,
#if (NGX_HAVE_SENDFILE)
ngx_freebsd_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_freebsd_hw_ncpu,
sizeof(ngx_freebsd_hw_ncpu), 0 },
{ "machdep.hlt_logical_cpus",
&ngx_freebsd_machdep_hlt_logical_cpus,
sizeof(ngx_freebsd_machdep_hlt_logical_cpus), 0 },
{ "net.inet.tcp.sendspace",
&ngx_freebsd_net_inet_tcp_sendspace,
sizeof(ngx_freebsd_net_inet_tcp_sendspace), 0 },
{ "kern.ipc.somaxconn",
&ngx_freebsd_kern_ipc_somaxconn,
sizeof(ngx_freebsd_kern_ipc_somaxconn), 0 },
{ "kern.ipc.zero_copy.send",
&ngx_freebsd_kern_ipc_zero_copy_send,
sizeof(ngx_freebsd_kern_ipc_zero_copy_send), 0 },
{ NULL, NULL, 0, 0 }
};
void
ngx_debug_init()
{
#if (NGX_DEBUG_MALLOC)
#if __FreeBSD_version >= 500014
_malloc_options = "J";
#else
malloc_options = "J";
#endif
#endif
}
ngx_int_t
ngx_os_specific_init(ngx_log_t *log)
{
int version, somaxconn;
size_t size;
ngx_err_t err;
ngx_uint_t i;
size = sizeof(ngx_freebsd_kern_ostype);
if (sysctlbyname("kern.ostype",
ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
"sysctlbyname(kern.ostype) failed");
if (ngx_errno != NGX_ENOMEM) {
return NGX_ERROR;
}
ngx_freebsd_kern_ostype[size - 1] = '\0';
}
size = sizeof(ngx_freebsd_kern_osrelease);
if (sysctlbyname("kern.osrelease",
ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
"sysctlbyname(kern.osrelease) failed");
if (ngx_errno != NGX_ENOMEM) {
return NGX_ERROR;
}
ngx_freebsd_kern_osrelease[size - 1] = '\0';
}
size = sizeof(int);
if (sysctlbyname("kern.osreldate",
&ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
"sysctlbyname(kern.osreldate) failed");
return NGX_ERROR;
}
version = ngx_freebsd_kern_osreldate;
#if (NGX_HAVE_SENDFILE)
/*
* The determination of the sendfile() "nbytes bug" is complex enough.
* There are two sendfile() syscalls: a new #393 has no bug while
* an old #336 has the bug in some versions and has not in others.
* Besides libc_r wrapper also emulates the bug in some versions.
* There is no way to say exactly if syscall #336 in FreeBSD circa 4.6
* has the bug. We use the algorithm that is correct at least for
* RELEASEs and for syscalls only (not libc_r wrapper).
*
* 4.6.1-RELEASE and below have the bug
* 4.6.2-RELEASE and above have the new syscall
*
* We detect the new sendfile() syscall available at the compile time
* to allow an old binary to run correctly on an updated FreeBSD system.
*/
#if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
|| __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
/* a new syscall without the bug */
ngx_freebsd_sendfile_nbytes_bug = 0;
#else
/* an old syscall that may have the bug */
ngx_freebsd_sendfile_nbytes_bug = 1;
#endif
#endif /* NGX_HAVE_SENDFILE */
if ((version < 500000 && version >= 440003) || version >= 500017) {
ngx_freebsd_use_tcp_nopush = 1;
}
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;
}
if (ngx_freebsd_machdep_hlt_logical_cpus) {
ngx_ncpu = ngx_freebsd_hw_ncpu / 2;
} else {
ngx_ncpu = ngx_freebsd_hw_ncpu;
}
somaxconn = version < 600008 ? 32676 : 65535;
if (ngx_freebsd_kern_ipc_somaxconn > somaxconn) {
ngx_log_error(NGX_LOG_ALERT, log, 0,
"sysctl kern.ipc.somaxconn must be no more than %d",
somaxconn);
return NGX_ERROR;
}
ngx_tcp_nodelay_and_tcp_nopush = 1;
ngx_os_io = ngx_freebsd_io;
return NGX_OK;
}
void
ngx_os_specific_status(ngx_log_t *log)
{
u_long value;
ngx_uint_t i;
ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease);
#ifdef __DragonFly_version
ngx_log_error(NGX_LOG_NOTICE, log, 0,
"kern.osreldate: %d, built on %d",
ngx_freebsd_kern_osreldate, __DragonFly_version);
#else
ngx_log_error(NGX_LOG_NOTICE, log, 0,
"kern.osreldate: %d, built on %d",
ngx_freebsd_kern_osreldate, __FreeBSD_version);
#endif
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);
}
}
}
|