3 * Copyright (C) Igor Sysoev
7 #include <ngx_config.h>
11 /* FreeBSD 3.0 at least */
12 char ngx_freebsd_kern_ostype[16];
13 char ngx_freebsd_kern_osrelease[128];
14 int ngx_freebsd_kern_osreldate;
15 int ngx_freebsd_hw_ncpu;
16 int ngx_freebsd_kern_ipc_somaxconn;
17 u_long ngx_freebsd_net_inet_tcp_sendspace;
20 int ngx_freebsd_machdep_hlt_logical_cpus;
23 ngx_uint_t ngx_freebsd_sendfile_nbytes_bug;
24 ngx_uint_t ngx_freebsd_use_tcp_nopush;
25 ngx_uint_t ngx_freebsd_debug_malloc;
28 static ngx_os_io_t ngx_freebsd_io = {
33 #if (NGX_HAVE_SENDFILE)
34 ngx_freebsd_sendfile_chain,
51 sysctl_t sysctls[] = {
54 sizeof(ngx_freebsd_hw_ncpu), 0 },
56 { "machdep.hlt_logical_cpus",
57 &ngx_freebsd_machdep_hlt_logical_cpus,
58 sizeof(ngx_freebsd_machdep_hlt_logical_cpus), 0 },
60 { "net.inet.tcp.sendspace",
61 &ngx_freebsd_net_inet_tcp_sendspace,
62 sizeof(ngx_freebsd_net_inet_tcp_sendspace), 0 },
64 { "kern.ipc.somaxconn",
65 &ngx_freebsd_kern_ipc_somaxconn,
66 sizeof(ngx_freebsd_kern_ipc_somaxconn), 0 },
75 #if (NGX_DEBUG_MALLOC)
77 #if __FreeBSD_version >= 500014
78 _malloc_options = "J";
83 ngx_freebsd_debug_malloc = 1;
88 mo = getenv("MALLOC_OPTIONS");
90 if (mo && ngx_strchr(mo, 'J')) {
91 ngx_freebsd_debug_malloc = 1;
98 ngx_os_specific_init(ngx_log_t *log)
100 int version, somaxconn;
105 size = sizeof(ngx_freebsd_kern_ostype);
106 if (sysctlbyname("kern.ostype",
107 ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) {
108 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
109 "sysctlbyname(kern.ostype) failed");
111 if (ngx_errno != NGX_ENOMEM) {
115 ngx_freebsd_kern_ostype[size - 1] = '\0';
118 size = sizeof(ngx_freebsd_kern_osrelease);
119 if (sysctlbyname("kern.osrelease",
120 ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) {
121 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
122 "sysctlbyname(kern.osrelease) failed");
124 if (ngx_errno != NGX_ENOMEM) {
128 ngx_freebsd_kern_osrelease[size - 1] = '\0';
133 if (sysctlbyname("kern.osreldate",
134 &ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) {
135 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
136 "sysctlbyname(kern.osreldate) failed");
140 version = ngx_freebsd_kern_osreldate;
143 #if (NGX_HAVE_SENDFILE)
146 * The determination of the sendfile() "nbytes bug" is complex enough.
147 * There are two sendfile() syscalls: a new #393 has no bug while
148 * an old #336 has the bug in some versions and has not in others.
149 * Besides libc_r wrapper also emulates the bug in some versions.
150 * There is no way to say exactly if syscall #336 in FreeBSD circa 4.6
151 * has the bug. We use the algorithm that is correct at least for
152 * RELEASEs and for syscalls only (not libc_r wrapper).
154 * 4.6.1-RELEASE and below have the bug
155 * 4.6.2-RELEASE and above have the new syscall
157 * We detect the new sendfile() syscall available at the compile time
158 * to allow an old binary to run correctly on an updated FreeBSD system.
161 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
162 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
164 /* a new syscall without the bug */
166 ngx_freebsd_sendfile_nbytes_bug = 0;
170 /* an old syscall that may have the bug */
172 ngx_freebsd_sendfile_nbytes_bug = 1;
176 #endif /* NGX_HAVE_SENDFILE */
179 if ((version < 500000 && version >= 440003) || version >= 500017) {
180 ngx_freebsd_use_tcp_nopush = 1;
184 for (i = 0; sysctls[i].name; i++) {
185 size = sysctls[i].size;
187 if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
190 sysctls[i].exists = 1;
196 if (err == NGX_ENOENT) {
200 ngx_log_error(NGX_LOG_ALERT, log, err,
201 "sysctlbyname(%s) failed", sysctls[i].name);
205 if (ngx_freebsd_machdep_hlt_logical_cpus) {
206 ngx_ncpu = ngx_freebsd_hw_ncpu / 2;
209 ngx_ncpu = ngx_freebsd_hw_ncpu;
212 somaxconn = version < 600008 ? 32676 : 65535;
214 if (ngx_freebsd_kern_ipc_somaxconn > somaxconn) {
215 ngx_log_error(NGX_LOG_ALERT, log, 0,
216 "sysctl kern.ipc.somaxconn must be no more than %d",
221 ngx_tcp_nodelay_and_tcp_nopush = 1;
223 ngx_os_io = ngx_freebsd_io;
230 ngx_os_specific_status(ngx_log_t *log)
235 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
236 ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease);
238 #ifdef __DragonFly_version
239 ngx_log_error(NGX_LOG_NOTICE, log, 0,
240 "kern.osreldate: %d, built on %d",
241 ngx_freebsd_kern_osreldate, __DragonFly_version);
243 ngx_log_error(NGX_LOG_NOTICE, log, 0,
244 "kern.osreldate: %d, built on %d",
245 ngx_freebsd_kern_osreldate, __FreeBSD_version);
248 for (i = 0; sysctls[i].name; i++) {
249 if (sysctls[i].exists) {
250 if (sysctls[i].size == sizeof(long)) {
251 value = *(long *) sysctls[i].value;
254 value = *(int *) sysctls[i].value;
257 ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
258 sysctls[i].name, value);