3 * Copyright (C) Igor Sysoev
4 * Copyright (C) Nginx, Inc.
8 #include <ngx_config.h>
12 /* FreeBSD 3.0 at least */
13 char ngx_freebsd_kern_ostype
[16];
14 char ngx_freebsd_kern_osrelease
[128];
15 int ngx_freebsd_kern_osreldate
;
16 int ngx_freebsd_hw_ncpu
;
17 int ngx_freebsd_kern_ipc_somaxconn
;
18 u_long ngx_freebsd_net_inet_tcp_sendspace
;
21 int ngx_freebsd_machdep_hlt_logical_cpus
;
24 ngx_uint_t ngx_freebsd_sendfile_nbytes_bug
;
25 ngx_uint_t ngx_freebsd_use_tcp_nopush
;
27 ngx_uint_t ngx_debug_malloc
;
30 static ngx_os_io_t ngx_freebsd_io
= {
35 #if (NGX_HAVE_SENDFILE)
36 ngx_freebsd_sendfile_chain
,
53 sysctl_t sysctls
[] = {
56 sizeof(ngx_freebsd_hw_ncpu
), 0 },
58 { "machdep.hlt_logical_cpus",
59 &ngx_freebsd_machdep_hlt_logical_cpus
,
60 sizeof(ngx_freebsd_machdep_hlt_logical_cpus
), 0 },
62 { "net.inet.tcp.sendspace",
63 &ngx_freebsd_net_inet_tcp_sendspace
,
64 sizeof(ngx_freebsd_net_inet_tcp_sendspace
), 0 },
66 { "kern.ipc.somaxconn",
67 &ngx_freebsd_kern_ipc_somaxconn
,
68 sizeof(ngx_freebsd_kern_ipc_somaxconn
), 0 },
77 #if (NGX_DEBUG_MALLOC)
79 #if __FreeBSD_version >= 500014 && __FreeBSD_version < 1000011
80 _malloc_options
= "J";
81 #elif __FreeBSD_version < 500014
90 mo
= getenv("MALLOC_OPTIONS");
92 if (mo
&& ngx_strchr(mo
, 'J')) {
100 ngx_os_specific_init(ngx_log_t
*log
)
107 size
= sizeof(ngx_freebsd_kern_ostype
);
108 if (sysctlbyname("kern.ostype",
109 ngx_freebsd_kern_ostype
, &size
, NULL
, 0) == -1) {
110 ngx_log_error(NGX_LOG_ALERT
, log
, ngx_errno
,
111 "sysctlbyname(kern.ostype) failed");
113 if (ngx_errno
!= NGX_ENOMEM
) {
117 ngx_freebsd_kern_ostype
[size
- 1] = '\0';
120 size
= sizeof(ngx_freebsd_kern_osrelease
);
121 if (sysctlbyname("kern.osrelease",
122 ngx_freebsd_kern_osrelease
, &size
, NULL
, 0) == -1) {
123 ngx_log_error(NGX_LOG_ALERT
, log
, ngx_errno
,
124 "sysctlbyname(kern.osrelease) failed");
126 if (ngx_errno
!= NGX_ENOMEM
) {
130 ngx_freebsd_kern_osrelease
[size
- 1] = '\0';
135 if (sysctlbyname("kern.osreldate",
136 &ngx_freebsd_kern_osreldate
, &size
, NULL
, 0) == -1) {
137 ngx_log_error(NGX_LOG_ALERT
, log
, ngx_errno
,
138 "sysctlbyname(kern.osreldate) failed");
142 version
= ngx_freebsd_kern_osreldate
;
145 #if (NGX_HAVE_SENDFILE)
148 * The determination of the sendfile() "nbytes bug" is complex enough.
149 * There are two sendfile() syscalls: a new #393 has no bug while
150 * an old #336 has the bug in some versions and has not in others.
151 * Besides libc_r wrapper also emulates the bug in some versions.
152 * There is no way to say exactly if syscall #336 in FreeBSD circa 4.6
153 * has the bug. We use the algorithm that is correct at least for
154 * RELEASEs and for syscalls only (not libc_r wrapper).
156 * 4.6.1-RELEASE and below have the bug
157 * 4.6.2-RELEASE and above have the new syscall
159 * We detect the new sendfile() syscall available at the compile time
160 * to allow an old binary to run correctly on an updated FreeBSD system.
163 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
164 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
166 /* a new syscall without the bug */
168 ngx_freebsd_sendfile_nbytes_bug
= 0;
172 /* an old syscall that may have the bug */
174 ngx_freebsd_sendfile_nbytes_bug
= 1;
178 #endif /* NGX_HAVE_SENDFILE */
181 if ((version
< 500000 && version
>= 440003) || version
>= 500017) {
182 ngx_freebsd_use_tcp_nopush
= 1;
186 for (i
= 0; sysctls
[i
].name
; i
++) {
187 size
= sysctls
[i
].size
;
189 if (sysctlbyname(sysctls
[i
].name
, sysctls
[i
].value
, &size
, NULL
, 0)
192 sysctls
[i
].exists
= 1;
198 if (err
== NGX_ENOENT
) {
202 ngx_log_error(NGX_LOG_ALERT
, log
, err
,
203 "sysctlbyname(%s) failed", sysctls
[i
].name
);
207 if (ngx_freebsd_machdep_hlt_logical_cpus
) {
208 ngx_ncpu
= ngx_freebsd_hw_ncpu
/ 2;
211 ngx_ncpu
= ngx_freebsd_hw_ncpu
;
214 if (version
< 600008 && ngx_freebsd_kern_ipc_somaxconn
> 32767) {
215 ngx_log_error(NGX_LOG_ALERT
, log
, 0,
216 "sysctl kern.ipc.somaxconn must be less than 32768");
220 ngx_tcp_nodelay_and_tcp_nopush
= 1;
222 ngx_os_io
= ngx_freebsd_io
;
229 ngx_os_specific_status(ngx_log_t
*log
)
234 ngx_log_error(NGX_LOG_NOTICE
, log
, 0, "OS: %s %s",
235 ngx_freebsd_kern_ostype
, ngx_freebsd_kern_osrelease
);
237 #ifdef __DragonFly_version
238 ngx_log_error(NGX_LOG_NOTICE
, log
, 0,
239 "kern.osreldate: %d, built on %d",
240 ngx_freebsd_kern_osreldate
, __DragonFly_version
);
242 ngx_log_error(NGX_LOG_NOTICE
, log
, 0,
243 "kern.osreldate: %d, built on %d",
244 ngx_freebsd_kern_osreldate
, __FreeBSD_version
);
247 for (i
= 0; sysctls
[i
].name
; i
++) {
248 if (sysctls
[i
].exists
) {
249 if (sysctls
[i
].size
== sizeof(long)) {
250 value
= *(long *) sysctls
[i
].value
;
253 value
= *(int *) sysctls
[i
].value
;
256 ngx_log_error(NGX_LOG_NOTICE
, log
, 0, "%s: %l",
257 sysctls
[i
].name
, value
);