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#include <ngx_freebsd_init.h>
int freebsd_kern_osreldate;
int freebsd_hw_ncpu;
int freebsd_sendfile_nbytes_bug;
int ngx_os_init(ngx_log_t *log)
{
size_t size;
size = 4;
if (sysctlbyname("kern.osreldate",
&freebsd_kern_osreldate, &size, NULL, 0) == -1) {
ngx_log_error(NGX_LOG_ALERT, log, errno,
"sysctlbyname(kern.osreldate) failed");
return NGX_ERROR;
}
ngx_log_error(NGX_LOG_INFO, log, 0,
"kern.osreldate: %d, built on %d",
freebsd_kern_osreldate, __FreeBSD_version);
#if HAVE_FREEBSD_SENDFILE
/* The determination of the sendfile() nbytes bug is complex enough.
There're two sendfile() syscalls: a new 393 has no bug while
an old 336 has the bug in some versions and has not in others.
libc_r wrapper also emulates the bug in some versions.
There's no way to say exactly if a given FreeBSD version has bug.
Here is the algorithm that work at least for RELEASEs
and for syscalls only (not libc_r wrapper). */
/* detect was the new sendfile() version 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 */
freebsd_sendfile_nbytes_bug = 0;
#else
/* an old syscall that can have the bug */
freebsd_sendfile_nbytes_bug = 1;
#endif
#endif /* HAVE_FREEBSD_SENDFILE */
size = 4;
if (sysctlbyname("hw.ncpu", &freebsd_hw_ncpu, &size, NULL, 0) == -1) {
ngx_log_error(NGX_LOG_ALERT, log, errno,
"sysctlbyname(hw.ncpu) failed");
return NGX_ERROR;
}
ngx_log_error(NGX_LOG_INFO, log, 0, "hw.ncpu: %d", freebsd_hw_ncpu);
return NGX_OK;
}
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