diff options
Diffstat (limited to 'src/os/unix/ngx_freebsd_sendfile_chain.c')
| -rw-r--r-- | src/os/unix/ngx_freebsd_sendfile_chain.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/os/unix/ngx_freebsd_sendfile_chain.c b/src/os/unix/ngx_freebsd_sendfile_chain.c index 521d05082..0b4dfc0d0 100644 --- a/src/os/unix/ngx_freebsd_sendfile_chain.c +++ b/src/os/unix/ngx_freebsd_sendfile_chain.c @@ -10,16 +10,16 @@ /* - * Although FreeBSD sendfile() allows to pass a header and a trailer + * Although FreeBSD sendfile() allows to pass a header and a trailer, * it can not send a header with a part of the file in one packet until - * FreeBSD 5.3. Besides over the fast ethernet connection sendfile() + * FreeBSD 5.3. Besides, over the fast ethernet connection sendfile() * may send the partially filled packets, i.e. the 8 file pages may be sent * as the 11 full 1460-bytes packets, then one incomplete 324-bytes packet, * and then again the 11 full 1460-bytes packets. * - * So we use the TCP_NOPUSH option (similar to Linux's TCP_CORK) - * to postpone the sending - it not only sends a header and the first part - * of the file in one packet but also sends the file pages in the full packets. + * Threfore we use the TCP_NOPUSH option (similar to Linux's TCP_CORK) + * to postpone the sending - it not only sends a header and the first part of + * the file in one packet, but also sends the file pages in the full packets. * * But until FreeBSD 4.5 the turning TCP_NOPUSH off does not flush a pending * data that less than MSS so that data may be sent with 5 second delay. @@ -220,7 +220,7 @@ ngx_chain_t *ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, err = ngx_errno; /* - * there is a tiny chance to be interrupted, however + * there is a tiny chance to be interrupted, however, * we continue a processing without the TCP_NOPUSH */ @@ -249,7 +249,7 @@ ngx_chain_t *ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, * http://www.freebsd.org/cgi/query-pr.cgi?pr=33771 */ - if (ngx_freebsd_sendfile_nbytes_bug == 0) { + if (!ngx_freebsd_sendfile_nbytes_bug) { header_size = 0; } @@ -282,7 +282,7 @@ ngx_chain_t *ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, if (rc == 0 && sent == 0) { /* - * rc and sent are equals to zero when someone has truncated + * rc and sent equal to zero when someone has truncated * the file, so the offset became beyond the end of the file */ @@ -370,8 +370,8 @@ ngx_chain_t *ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, if (eagain) { /* - * sendfile() can return EAGAIN even if it has sent - * a whole file part but the successive sendfile() call would + * sendfile() may return EAGAIN, even if it has sent a whole file + * part, it indicates that the successive sendfile() call would * return EAGAIN right away and would not send anything. * We use it as a hint. */ |