mirror of
https://github.com/nginx/nginx.git
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08e63d46de
*) Feature: the "error_page" directive supports the variables.
*) Change: now the procfs interface instead of sysctl is used on Linux.
*) Change: now the "Content-Type" header line is inherited from first
response when the "X-Accel-Redirect" was used.
*) Bugfix: the "error_page" directive did not redirect the 413 error.
*) Bugfix: the trailing "?" did not remove old arguments if no new
arguments were added to a rewritten URI.
*) Bugfix: nginx could not run on 64-bit FreeBSD 7.0-CURRENT.
257 lines
6.1 KiB
C
257 lines
6.1 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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/* FreeBSD 3.0 at least */
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char ngx_freebsd_kern_ostype[16];
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char ngx_freebsd_kern_osrelease[128];
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int ngx_freebsd_kern_osreldate;
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int ngx_freebsd_hw_ncpu;
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int ngx_freebsd_kern_ipc_somaxconn;
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u_long ngx_freebsd_net_inet_tcp_sendspace;
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/* FreeBSD 4.9 */
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int ngx_freebsd_machdep_hlt_logical_cpus;
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/* FreeBSD 5.0 */
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int ngx_freebsd_kern_ipc_zero_copy_send;
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ngx_uint_t ngx_freebsd_sendfile_nbytes_bug;
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ngx_uint_t ngx_freebsd_use_tcp_nopush;
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static ngx_os_io_t ngx_freebsd_io = {
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ngx_unix_recv,
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ngx_readv_chain,
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ngx_unix_send,
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#if (NGX_HAVE_SENDFILE)
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ngx_freebsd_sendfile_chain,
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NGX_IO_SENDFILE
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#else
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ngx_writev_chain,
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0
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#endif
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};
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typedef struct {
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char *name;
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void *value;
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size_t size;
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ngx_uint_t exists;
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} sysctl_t;
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sysctl_t sysctls[] = {
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{ "hw.ncpu",
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&ngx_freebsd_hw_ncpu,
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sizeof(ngx_freebsd_hw_ncpu), 0 },
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{ "machdep.hlt_logical_cpus",
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&ngx_freebsd_machdep_hlt_logical_cpus,
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sizeof(ngx_freebsd_machdep_hlt_logical_cpus), 0 },
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{ "net.inet.tcp.sendspace",
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&ngx_freebsd_net_inet_tcp_sendspace,
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sizeof(ngx_freebsd_net_inet_tcp_sendspace), 0 },
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{ "kern.ipc.somaxconn",
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&ngx_freebsd_kern_ipc_somaxconn,
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sizeof(ngx_freebsd_kern_ipc_somaxconn), 0 },
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{ "kern.ipc.zero_copy.send",
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&ngx_freebsd_kern_ipc_zero_copy_send,
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sizeof(ngx_freebsd_kern_ipc_zero_copy_send), 0 },
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{ NULL, NULL, 0, 0 }
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};
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void
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ngx_debug_init()
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{
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#if (NGX_DEBUG_MALLOC)
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#if __FreeBSD_version >= 500014
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_malloc_options = "J";
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#else
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malloc_options = "J";
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#endif
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#endif
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}
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ngx_int_t
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ngx_os_specific_init(ngx_log_t *log)
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{
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int version, somaxconn;
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size_t size;
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ngx_err_t err;
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ngx_uint_t i;
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size = sizeof(ngx_freebsd_kern_ostype);
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if (sysctlbyname("kern.ostype",
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ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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"sysctlbyname(kern.ostype) failed");
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if (ngx_errno != NGX_ENOMEM) {
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return NGX_ERROR;
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}
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ngx_freebsd_kern_ostype[size - 1] = '\0';
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}
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size = sizeof(ngx_freebsd_kern_osrelease);
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if (sysctlbyname("kern.osrelease",
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ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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"sysctlbyname(kern.osrelease) failed");
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if (ngx_errno != NGX_ENOMEM) {
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return NGX_ERROR;
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}
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ngx_freebsd_kern_osrelease[size - 1] = '\0';
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}
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size = sizeof(int);
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if (sysctlbyname("kern.osreldate",
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&ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) {
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ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
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"sysctlbyname(kern.osreldate) failed");
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return NGX_ERROR;
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}
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version = ngx_freebsd_kern_osreldate;
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#if (NGX_HAVE_SENDFILE)
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/*
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* The determination of the sendfile() "nbytes bug" is complex enough.
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* There are two sendfile() syscalls: a new #393 has no bug while
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* an old #336 has the bug in some versions and has not in others.
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* Besides libc_r wrapper also emulates the bug in some versions.
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* There is no way to say exactly if syscall #336 in FreeBSD circa 4.6
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* has the bug. We use the algorithm that is correct at least for
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* RELEASEs and for syscalls only (not libc_r wrapper).
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*
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* 4.6.1-RELEASE and below have the bug
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* 4.6.2-RELEASE and above have the new syscall
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*
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* We detect the new sendfile() syscall available at the compile time
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* to allow an old binary to run correctly on an updated FreeBSD system.
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*/
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#if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
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|| __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
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/* a new syscall without the bug */
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ngx_freebsd_sendfile_nbytes_bug = 0;
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#else
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/* an old syscall that may have the bug */
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ngx_freebsd_sendfile_nbytes_bug = 1;
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#endif
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#endif /* NGX_HAVE_SENDFILE */
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if ((version < 500000 && version >= 440003) || version >= 500017) {
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ngx_freebsd_use_tcp_nopush = 1;
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}
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for (i = 0; sysctls[i].name; i++) {
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size = sysctls[i].size;
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if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0)
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== 0)
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{
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sysctls[i].exists = 1;
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continue;
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}
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err = ngx_errno;
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if (err == NGX_ENOENT) {
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continue;
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}
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ngx_log_error(NGX_LOG_ALERT, log, err,
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"sysctlbyname(%s) failed", sysctls[i].name);
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return NGX_ERROR;
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}
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if (ngx_freebsd_machdep_hlt_logical_cpus) {
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ngx_ncpu = ngx_freebsd_hw_ncpu / 2;
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} else {
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ngx_ncpu = ngx_freebsd_hw_ncpu;
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}
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somaxconn = version < 600008 ? 32676 : 65535;
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if (ngx_freebsd_kern_ipc_somaxconn > somaxconn) {
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ngx_log_error(NGX_LOG_ALERT, log, 0,
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"sysctl kern.ipc.somaxconn must be no more than %d",
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somaxconn);
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return NGX_ERROR;
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}
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ngx_tcp_nodelay_and_tcp_nopush = 1;
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ngx_os_io = ngx_freebsd_io;
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return NGX_OK;
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}
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void
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ngx_os_specific_status(ngx_log_t *log)
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{
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u_long value;
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ngx_uint_t i;
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ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s",
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ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease);
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#ifdef __DragonFly_version
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ngx_log_error(NGX_LOG_NOTICE, log, 0,
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"kern.osreldate: %d, built on %d",
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ngx_freebsd_kern_osreldate, __DragonFly_version);
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#else
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ngx_log_error(NGX_LOG_NOTICE, log, 0,
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"kern.osreldate: %d, built on %d",
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ngx_freebsd_kern_osreldate, __FreeBSD_version);
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#endif
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for (i = 0; sysctls[i].name; i++) {
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if (sysctls[i].exists) {
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if (sysctls[i].size == sizeof(long)) {
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value = *(long *) sysctls[i].value;
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} else {
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value = *(int *) sysctls[i].value;
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}
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ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l",
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sysctls[i].name, value);
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}
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}
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}
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