Mercurial > hg > nginx
view src/os/unix/ngx_freebsd_init.c @ 86:3973260705cc
nginx-0.0.1-2003-05-12-19:52:24 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 12 May 2003 15:52:24 +0000 |
parents | |
children | 674d333f4296 |
line wrap: on
line source
#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; }