Mercurial > hg > nginx-quic
view src/os/unix/ngx_freebsd_init.c @ 94:8220378432a8
nginx-0.0.1-2003-05-22-19:23:47 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 22 May 2003 15:23:47 +0000 |
parents | 738fe44c70d5 |
children | 70d2345a903f |
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#include <ngx_freebsd_init.h> char ngx_freebsd_kern_ostype[20]; char ngx_freebsd_kern_osrelease[20]; int ngx_freebsd_kern_osreldate; int ngx_freebsd_hw_ncpu; int ngx_freebsd_net_inet_tcp_sendspace; int ngx_freebsd_sendfile_nbytes_bug; ngx_os_io_t ngx_os_io = { ngx_unix_recv, ngx_readv_chain, NULL, ngx_freebsd_sendfile_chain, NGX_HAVE_SENDFILE|NGX_HAVE_ZEROCOPY }; int ngx_os_init(ngx_log_t *log) { size_t size; size = 20; if (sysctlbyname("kern.ostype", ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "sysctlbyname(kern.ostype) failed"); return NGX_ERROR; } size = 20; if (sysctlbyname("kern.osrelease", ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "sysctlbyname(kern.osrelease) failed"); return NGX_ERROR; } ngx_log_error(NGX_LOG_INFO, log, 0, "OS: %s %s", ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease); size = 4; if (sysctlbyname("kern.osreldate", &ngx_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", ngx_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 */ ngx_freebsd_sendfile_nbytes_bug = 0; #else /* an old syscall that can have the bug */ ngx_freebsd_sendfile_nbytes_bug = 1; #endif #endif /* HAVE_FREEBSD_SENDFILE */ size = 4; if (sysctlbyname("hw.ncpu", &ngx_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", ngx_freebsd_hw_ncpu); size = 4; if (sysctlbyname("net.inet.tcp.sendspace", &ngx_freebsd_net_inet_tcp_sendspace, &size, NULL, 0) == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "sysctlbyname(net.inet.tcp.sendspace) failed"); return NGX_ERROR; } ngx_log_error(NGX_LOG_INFO, log, 0, "net.inet.tcp.sendspace: %d", ngx_freebsd_net_inet_tcp_sendspace); return ngx_posix_init(log); }