1 files changed, 0 insertions, 185 deletions
diff --git a/usr.sbin/nginx/src/os/unix/ngx_writev_chain.c b/usr.sbin/nginx/src/os/unix/ngx_writev_chain.c
deleted file mode 100644
index 805982d6558..00000000000
--- a/usr.sbin/nginx/src/os/unix/ngx_writev_chain.c
+++ /dev/null
@@ -1,185 +0,0 @@
-
-/*
- * Copyright (C) Igor Sysoev
- * Copyright (C) Nginx, Inc.
- */
-
-
-#include <ngx_config.h>
-#include <ngx_core.h>
-#include <ngx_event.h>
-
-
-#if (IOV_MAX > 64)
-#define NGX_IOVS  64
-#else
-#define NGX_IOVS  IOV_MAX
-#endif
-
-
-ngx_chain_t *
-ngx_writev_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
-{
-    u_char        *prev;
-    ssize_t        n, size, sent;
-    off_t          send, prev_send;
-    ngx_uint_t     eintr, complete;
-    ngx_err_t      err;
-    ngx_array_t    vec;
-    ngx_chain_t   *cl;
-    ngx_event_t   *wev;
-    struct iovec  *iov, iovs[NGX_IOVS];
-
-    wev = c->write;
-
-    if (!wev->ready) {
-        return in;
-    }
-
-#if (NGX_HAVE_KQUEUE)
-
-    if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) {
-        (void) ngx_connection_error(c, wev->kq_errno,
-                               "kevent() reported about an closed connection");
-        wev->error = 1;
-        return NGX_CHAIN_ERROR;
-    }
-
-#endif
-
-    /* the maximum limit size is the maximum size_t value - the page size */
-
-    if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) {
-        limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize;
-    }
-
-    send = 0;
-
-    vec.elts = iovs;
-    vec.size = sizeof(struct iovec);
-    vec.nalloc = NGX_IOVS;
-    vec.pool = c->pool;
-
-    for ( ;; ) {
-        prev = NULL;
-        iov = NULL;
-        eintr = 0;
-        complete = 0;
-        prev_send = send;
-
-        vec.nelts = 0;
-
-        /* create the iovec and coalesce the neighbouring bufs */
-
-        for (cl = in; cl && send < limit; cl = cl->next) {
-
-            if (ngx_buf_special(cl->buf)) {
-                continue;
-            }
-
-#if 1
-            if (!ngx_buf_in_memory(cl->buf)) {
-                ngx_debug_point();
-            }
-#endif
-
-            size = cl->buf->last - cl->buf->pos;
-
-            if (send + size > limit) {
-                size = (ssize_t) (limit - send);
-            }
-
-            if (prev == cl->buf->pos) {
-                iov->iov_len += size;
-
-            } else {
-                if (vec.nelts >= IOV_MAX) {
-                    break;
-                }
-
-                iov = ngx_array_push(&vec);
-                if (iov == NULL) {
-                    return NGX_CHAIN_ERROR;
-                }
-
-                iov->iov_base = (void *) cl->buf->pos;
-                iov->iov_len = size;
-            }
-
-            prev = cl->buf->pos + size;
-            send += size;
-        }
-
-        n = writev(c->fd, vec.elts, vec.nelts);
-
-        if (n == -1) {
-            err = ngx_errno;
-
-            switch (err) {
-            case NGX_EAGAIN:
-                break;
-
-            case NGX_EINTR:
-                eintr = 1;
-                break;
-
-            default:
-                wev->error = 1;
-                (void) ngx_connection_error(c, err, "writev() failed");
-                return NGX_CHAIN_ERROR;
-            }
-
-            ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
-                           "writev() not ready");
-        }
-
-        sent = n > 0 ? n : 0;
-
-        ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "writev: %z", sent);
-
-        if (send - prev_send == sent) {
-            complete = 1;
-        }
-
-        c->sent += sent;
-
-        for (cl = in; cl; cl = cl->next) {
-
-            if (ngx_buf_special(cl->buf)) {
-                continue;
-            }
-
-            if (sent == 0) {
-                break;
-            }
-
-            size = cl->buf->last - cl->buf->pos;
-
-            if (sent >= size) {
-                sent -= size;
-                cl->buf->pos = cl->buf->last;
-
-                continue;
-            }
-
-            cl->buf->pos += sent;
-
-            break;
-        }
-
-        if (eintr) {
-            continue;
-        }
-
-        if (!complete) {
-            wev->ready = 0;
-            return cl;
-        }
-
-        if (send >= limit || cl == NULL) {
-            return cl;
-        }
-
-        in = cl;
-    }
-}