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 = {
36 ngx_udp_unix_sendmsg_chain,
37 #if (NGX_HAVE_SENDFILE)
38 ngx_freebsd_sendfile_chain,
55 sysctl_t sysctls[] = {
58 sizeof(ngx_freebsd_hw_ncpu), 0 },
60 { "machdep.hlt_logical_cpus",
61 &ngx_freebsd_machdep_hlt_logical_cpus,
62 sizeof(ngx_freebsd_machdep_hlt_logical_cpus), 0 },
64 { "net.inet.tcp.sendspace",
65 &ngx_freebsd_net_inet_tcp_sendspace,
66 sizeof(ngx_freebsd_net_inet_tcp_sendspace), 0 },
68 { "kern.ipc.somaxconn",
69 &ngx_freebsd_kern_ipc_somaxconn,
70 sizeof(ngx_freebsd_kern_ipc_somaxconn), 0 },
79 #if (NGX_DEBUG_MALLOC)
81 #if __FreeBSD_version >= 500014 && __FreeBSD_version < 1000011
82 _malloc_options = "J";
83 #elif __FreeBSD_version < 500014
92 mo = getenv("MALLOC_OPTIONS");
94 if (mo && ngx_strchr(mo, 'J')) {
102 ngx_os_specific_init(ngx_log_t *log)
109 size = sizeof(ngx_freebsd_kern_ostype);
110 if (sysctlbyname("kern.ostype",
111 ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) {
112 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
113 "sysctlbyname(kern.ostype) failed");
115 if (ngx_errno != NGX_ENOMEM) {
119 ngx_freebsd_kern_ostype[size - 1] = '\0';
122 size = sizeof(ngx_freebsd_kern_osrelease);
123 if (sysctlbyname("kern.osrelease",
124 ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) {
125 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
126 "sysctlbyname(kern.osrelease) failed");
128 if (ngx_errno != NGX_ENOMEM) {
132 ngx_freebsd_kern_osrelease[size - 1] = '\0';
137 if (sysctlbyname("kern.osreldate",
138 &ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) {
139 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
140 "sysctlbyname(kern.osreldate) failed");
144 version = ngx_freebsd_kern_osreldate;
147 #if (NGX_HAVE_SENDFILE)
150 * The determination of the sendfile() "nbytes bug" is complex enough.
151 * There are two sendfile() syscalls: a new #393 has no bug while
152 * an old #336 has the bug in some versions and has not in others.
153 * Besides libc_r wrapper also emulates the bug in some versions.
154 * There is no way to say exactly if syscall #336 in FreeBSD circa 4.6
155 * has the bug. We use the algorithm that is correct at least for
156 * RELEASEs and for syscalls only (not libc_r wrapper).
158 * 4.6.1-RELEASE and below have the bug
159 * 4.6.2-RELEASE and above have the new syscall
161 * We detect the new sendfile() syscall available at the compile time
162 * to allow an old binary to run correctly on an updated FreeBSD system.
165 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
166 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
168 /* a new syscall without the bug */
170 ngx_freebsd_sendfile_nbytes_bug = 0;
174 /* an old syscall that may have the bug */
176 ngx_freebsd_sendfile_nbytes_bug = 1;
180 #endif /* NGX_HAVE_SENDFILE */
183 if ((version < 500000 && version >= 440003) || version >= 500017) {
184 ngx_freebsd_use_tcp_nopush = 1;
188 for (i = 0; sysctls[i].name; i++) {
189 size = sysctls[i].size;
191 if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
194 sysctls[i].exists = 1;
200 if (err == NGX_ENOENT) {
204 ngx_log_error(NGX_LOG_ALERT, log, err,
205 "sysctlbyname(%s) failed", sysctls[i].name);
209 if (ngx_freebsd_machdep_hlt_logical_cpus) {
210 ngx_ncpu = ngx_freebsd_hw_ncpu / 2;
213 ngx_ncpu = ngx_freebsd_hw_ncpu;
216 if (version < 600008 && ngx_freebsd_kern_ipc_somaxconn > 32767) {
217 ngx_log_error(NGX_LOG_ALERT, log, 0,
218 "sysctl kern.ipc.somaxconn must be less than 32768");
222 ngx_tcp_nodelay_and_tcp_nopush = 1;
224 ngx_os_io = ngx_freebsd_io;
231 ngx_os_specific_status(ngx_log_t *log)
236 ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
237 ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease);
239 #ifdef __DragonFly_version
240 ngx_log_error(NGX_LOG_NOTICE, log, 0,
241 "kern.osreldate: %d, built on %d",
242 ngx_freebsd_kern_osreldate, __DragonFly_version);
244 ngx_log_error(NGX_LOG_NOTICE, log, 0,
245 "kern.osreldate: %d, built on %d",
246 ngx_freebsd_kern_osreldate, __FreeBSD_version);
249 for (i = 0; sysctls[i].name; i++) {
250 if (sysctls[i].exists) {
251 if (sysctls[i].size == sizeof(long)) {
252 value = *(long *) sysctls[i].value;
255 value = *(int *) sysctls[i].value;
258 ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
259 sysctls[i].name, value);