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comparison src/os/unix/ngx_freebsd_init.c @ 142:cb77c084acdb

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nginx-0.0.1-2003-10-09-11:00:45 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 09 Oct 2003 07:00:45 +0000
parents 2e069b6e6920
children 5526213be452
comparison
equal deleted inserted replaced
141:656d468f4ead 142:cb77c084acdb
91 version, __FreeBSD_version); 91 version, __FreeBSD_version);
92 92
93 93
94 #if (HAVE_FREEBSD_SENDFILE) 94 #if (HAVE_FREEBSD_SENDFILE)
95 95
96 /* The determination of the sendfile() nbytes bug is complex enough. 96 /*
97 There're two sendfile() syscalls: a new 393 has no bug while 97 * The determination of the sendfile() nbytes bug is complex enough.
98 an old 336 has the bug in some versions and has not in others. 98 * There're two sendfile() syscalls: a new 393 has no bug while
99 Besides libc_r wrapper also emulates the bug in some versions. 99 * an old 336 has the bug in some versions and has not in others.
100 There's no way to say exactly if a given FreeBSD version has bug. 100 * Besides libc_r wrapper also emulates the bug in some versions.
101 Here is the algorithm that works at least for RELEASEs 101 * There's no way to say exactly if a given FreeBSD version has the bug.
102 and for syscalls only (not libc_r wrapper). */ 102 * Here is the algorithm that works at least for RELEASEs
103 103 * and for syscalls only (not libc_r wrapper).
104 /* detect the new sendfile() version available at the compile time 104 *
105 to allow an old binary to run correctly on an updated FreeBSD system. */ 105 * We detect the new sendfile() version available at the compile time
106 * to allow an old binary to run correctly on an updated FreeBSD system.
107 */
106 108
107 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \ 109 #if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \
108 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039 110 || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039
109 111
110 /* a new syscall without the bug */ 112 /* a new syscall without the bug */
113
111 ngx_freebsd_sendfile_nbytes_bug = 0; 114 ngx_freebsd_sendfile_nbytes_bug = 0;
112 115
113 #else 116 #else
114 117
115 /* an old syscall that can have the bug */ 118 /* an old syscall that can have the bug */
119
116 ngx_freebsd_sendfile_nbytes_bug = 1; 120 ngx_freebsd_sendfile_nbytes_bug = 1;
117 121
118 #endif 122 #endif
119 123
120 #endif /* HAVE_FREEBSD_SENDFILE */ 124 #endif /* HAVE_FREEBSD_SENDFILE */