From: Igor Sysoev <igor@sysoev.ru>
Date: Wed, 24 Sep 2003 16:44:13 +0000 (+0000)
Subject: nginx-0.0.1-2003-09-24-20:44:13 import
X-Git-Tag: release-0.1.0~318
X-Git-Url: http://git.kaiwu.me/%7Bsubstring-before(@doc,%20'.xml')%7D.html?a=commitdiff_plain;h=cf7e26ba460d22ed1c0934f8e35292f420f1afd9;p=nginx.git

nginx-0.0.1-2003-09-24-20:44:13 import
---

diff --git a/src/core/ngx_hunk.c b/src/core/ngx_hunk.c
index 32a52c928..29b88772a 100644
--- a/src/core/ngx_hunk.c
+++ b/src/core/ngx_hunk.c
@@ -97,3 +97,43 @@ ngx_hunk_t *ngx_create_hunk_after(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
 
     return h;
 }
+
+
+void ngx_chain_update_chains(ngx_chain_t **free, ngx_chain_t **busy,
+                             ngx_chain_t **out)
+{
+    ngx_chain_t  *te;
+
+    if (*busy == NULL) {
+        *busy = *out;
+
+    } else {
+        for (te = *busy; /* void */ ; te = te->next) {
+            if (te->next == NULL) {
+                te->next = *out;
+                break;
+            }   
+        }
+    }
+
+    *out = NULL;
+
+    while (*busy) {
+        if ((*busy)->hunk->pos != (*busy)->hunk->last) {
+            break;
+        }
+
+#if (HAVE_WRITE_ZEROCOPY)
+        if ((*busy)->hunk->type & NGX_HUNK_ZEROCOPY_BUSY) {
+            break;
+        }
+#endif
+
+        (*busy)->hunk->pos = (*busy)->hunk->last = (*busy)->hunk->start;
+
+        te = *busy;
+        *busy = (*busy)->next;
+        te->next = *free;
+        *free = te;
+    }
+}