| |
| /* |
| * Copyright (C) Igor Sysoev |
| */ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| |
| |
| /* FreeBSD 3.0 at least */ |
| char ngx_freebsd_kern_ostype[16]; |
| char ngx_freebsd_kern_osrelease[128]; |
| int ngx_freebsd_kern_osreldate; |
| int ngx_freebsd_hw_ncpu; |
| int ngx_freebsd_net_inet_tcp_sendspace; |
| int ngx_freebsd_kern_ipc_somaxconn; |
| |
| /* FreeBSD 4.9 */ |
| int ngx_freebsd_machdep_hlt_logical_cpus; |
| |
| /* FreeBSD 5.0 */ |
| int ngx_freebsd_kern_ipc_zero_copy_send; |
| |
| |
| ngx_uint_t ngx_freebsd_sendfile_nbytes_bug; |
| ngx_uint_t ngx_freebsd_use_tcp_nopush; |
| |
| |
| static ngx_os_io_t ngx_freebsd_io = { |
| ngx_unix_recv, |
| ngx_readv_chain, |
| ngx_unix_send, |
| #if (NGX_HAVE_SENDFILE) |
| ngx_freebsd_sendfile_chain, |
| NGX_IO_SENDFILE |
| #else |
| ngx_writev_chain, |
| 0 |
| #endif |
| }; |
| |
| |
| typedef struct { |
| char *name; |
| int *value; |
| size_t size; |
| ngx_uint_t exists; |
| } sysctl_t; |
| |
| |
| sysctl_t sysctls[] = { |
| { "hw.ncpu", |
| &ngx_freebsd_hw_ncpu, |
| sizeof(int), 0 }, |
| |
| { "machdep.hlt_logical_cpus", |
| &ngx_freebsd_machdep_hlt_logical_cpus, |
| sizeof(int), 0 }, |
| |
| { "net.inet.tcp.sendspace", |
| &ngx_freebsd_net_inet_tcp_sendspace, |
| sizeof(int), 0 }, |
| |
| { "kern.ipc.somaxconn", |
| &ngx_freebsd_kern_ipc_somaxconn, |
| sizeof(int), 0 }, |
| |
| { "kern.ipc.zero_copy.send", |
| &ngx_freebsd_kern_ipc_zero_copy_send, |
| sizeof(int), 0 }, |
| |
| { NULL, NULL, 0, 0 } |
| }; |
| |
| |
| void |
| ngx_debug_init() |
| { |
| #if (NGX_DEBUG && !NGX_NO_DEBUG_MALLOC) |
| |
| #if __FreeBSD_version >= 500014 |
| _malloc_options = "J"; |
| #else |
| malloc_options = "J"; |
| #endif |
| |
| #endif |
| } |
| |
| |
| ngx_int_t |
| ngx_os_specific_init(ngx_log_t *log) |
| { |
| int version, somaxconn; |
| size_t size; |
| ngx_err_t err; |
| ngx_uint_t i; |
| |
| size = sizeof(ngx_freebsd_kern_ostype); |
| if (sysctlbyname("kern.ostype", |
| ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) { |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
| "sysctlbyname(kern.ostype) failed"); |
| |
| if (ngx_errno != NGX_ENOMEM) { |
| return NGX_ERROR; |
| } |
| |
| ngx_freebsd_kern_ostype[size - 1] = '\0'; |
| } |
| |
| size = sizeof(ngx_freebsd_kern_osrelease); |
| if (sysctlbyname("kern.osrelease", |
| ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) { |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
| "sysctlbyname(kern.osrelease) failed"); |
| |
| if (ngx_errno != NGX_ENOMEM) { |
| return NGX_ERROR; |
| } |
| |
| ngx_freebsd_kern_osrelease[size - 1] = '\0'; |
| } |
| |
| |
| size = sizeof(int); |
| if (sysctlbyname("kern.osreldate", |
| &ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) { |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
| "sysctlbyname(kern.osreldate) failed"); |
| return NGX_ERROR; |
| } |
| |
| version = ngx_freebsd_kern_osreldate; |
| |
| |
| #if (NGX_HAVE_SENDFILE) |
| |
| /* |
| * The determination of the sendfile() "nbytes bug" is complex enough. |
| * There are two sendfile() syscalls: a new #393 has no bug while |
| * an old #336 has the bug in some versions and has not in others. |
| * Besides libc_r wrapper also emulates the bug in some versions. |
| * There is no way to say exactly if syscall #336 in FreeBSD circa 4.6 |
| * has the bug. We use the algorithm that is correct at least for |
| * RELEASEs and for syscalls only (not libc_r wrapper). |
| * |
| * 4.6.1-RELEASE and below have the bug |
| * 4.6.2-RELEASE and above have the new syscall |
| * |
| * We detect the new sendfile() syscall 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 may have the bug */ |
| |
| ngx_freebsd_sendfile_nbytes_bug = 1; |
| |
| #endif |
| |
| #endif /* NGX_HAVE_SENDFILE */ |
| |
| |
| if ((version < 500000 && version >= 440003) || version >= 500017) { |
| ngx_freebsd_use_tcp_nopush = 1; |
| } |
| |
| |
| for (i = 0; sysctls[i].name; i++) { |
| *sysctls[i].value = 0; |
| size = sysctls[i].size; |
| |
| if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0) |
| == 0) |
| { |
| sysctls[i].exists = 1; |
| continue; |
| } |
| |
| err = ngx_errno; |
| |
| if (err == NGX_ENOENT) { |
| continue; |
| } |
| |
| #if 0 |
| if (sysctls[i].value == &ngx_freebsd_machdep_hlt_logical_cpus) { |
| continue; |
| } |
| #endif |
| |
| ngx_log_error(NGX_LOG_ALERT, log, err, |
| "sysctlbyname(%s) failed", sysctls[i].name); |
| return NGX_ERROR; |
| } |
| |
| if (ngx_freebsd_machdep_hlt_logical_cpus) { |
| ngx_ncpu = ngx_freebsd_hw_ncpu / 2; |
| } else { |
| ngx_ncpu = ngx_freebsd_hw_ncpu; |
| } |
| |
| if (version < 600008) { |
| somaxconn = 32767; |
| } else { |
| somaxconn = 65535; |
| } |
| |
| if (ngx_freebsd_kern_ipc_somaxconn > somaxconn) { |
| ngx_log_error(NGX_LOG_ALERT, log, 0, |
| "sysctl kern.ipc.somaxconn must be no more than %d", |
| somaxconn); |
| return NGX_ERROR; |
| } |
| |
| ngx_tcp_nodelay_and_tcp_nopush = 1; |
| |
| ngx_os_io = ngx_freebsd_io; |
| |
| return NGX_OK; |
| } |
| |
| |
| void |
| ngx_os_specific_status(ngx_log_t *log) |
| { |
| ngx_uint_t i; |
| |
| ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", |
| ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease); |
| |
| #ifdef __DragonFly_version |
| ngx_log_error(NGX_LOG_NOTICE, log, 0, |
| "kern.osreldate: %d, built on %d", |
| ngx_freebsd_kern_osreldate, __DragonFly_version); |
| #else |
| ngx_log_error(NGX_LOG_NOTICE, log, 0, |
| "kern.osreldate: %d, built on %d", |
| ngx_freebsd_kern_osreldate, __FreeBSD_version); |
| #endif |
| |
| for (i = 0; sysctls[i].name; i++) { |
| if (sysctls[i].exists) { |
| ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %d", |
| sysctls[i].name, *sysctls[i].value); |
| } |
| } |
| } |