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authorIgor Sysoev <igor@sysoev.ru>2003-10-09 11:00:45 +0400
committerIgor Sysoev <igor@sysoev.ru>2003-10-09 11:00:45 +0400
commit1342d9cc29de7b6509a44a49cd66d1038d1e6d26 (patch)
tree618ccc0244627bece991abd6a49b354b417e1a21 /src/os/unix/ngx_freebsd_init.c
parent3ae32483cd9315aef5066e2a06411e9ffb8a5560 (diff)
nginx-0.0.1-2003-10-09-11:00:45 import
Diffstat (limited to 'src/os/unix/ngx_freebsd_init.c')
-rw-r--r--src/os/unix/ngx_freebsd_init.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/src/os/unix/ngx_freebsd_init.c b/src/os/unix/ngx_freebsd_init.c
index 6eae456ed..ec4924e57 100644
--- a/src/os/unix/ngx_freebsd_init.c
+++ b/src/os/unix/ngx_freebsd_init.c
@@ -93,26 +93,30 @@ int ngx_os_init(ngx_log_t *log)
#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.
- Besides 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 works at least for RELEASEs
- and for syscalls only (not libc_r wrapper). */
-
- /* detect the new sendfile() version available at the compile time
- to allow an old binary to run correctly on an updated FreeBSD system. */
+ /*
+ * 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.
+ * Besides libc_r wrapper also emulates the bug in some versions.
+ * There's no way to say exactly if a given FreeBSD version has the bug.
+ * Here is the algorithm that works at least for RELEASEs
+ * and for syscalls only (not libc_r wrapper).
+ *
+ * We detect 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