1 files changed, 12 insertions, 33 deletions

diff --git a/src/nxt_port_socket.c b/src/nxt_port_socket.c
index 4de528fd..71ee315e 100644
--- a/src/nxt_port_socket.c
+++ b/src/nxt_port_socket.c
@@ -10,7 +10,7 @@
 static void nxt_port_write_handler(nxt_task_t *task, void *obj, void *data);
 static void nxt_port_read_handler(nxt_task_t *task, void *obj, void *data);
 static void nxt_port_read_msg_process(nxt_task_t *task, nxt_port_t *port,
-    nxt_port_recv_msg_t *msg, size_t size);
+    nxt_port_recv_msg_t *msg);
 static nxt_buf_t *nxt_port_buf_alloc(nxt_port_t *port);
 static void nxt_port_buf_free(nxt_port_t *port, nxt_buf_t *b);
 static void nxt_port_error_handler(nxt_task_t *task, void *obj, void *data);
@@ -365,8 +365,9 @@ nxt_port_read_handler(nxt_task_t *task, void *obj, void *data)
         if (n > 0) {
 
             msg.buf = b;
+            msg.size = n;
 
-            nxt_port_read_msg_process(task, port, &msg, n);
+            nxt_port_read_msg_process(task, port, &msg);
 
             if (b->mem.pos == b->mem.free) {
                 nxt_port_buf_free(port, b);
@@ -397,53 +398,32 @@ nxt_port_read_handler(nxt_task_t *task, void *obj, void *data)
 
 static void
 nxt_port_read_msg_process(nxt_task_t *task, nxt_port_t *port,
-    nxt_port_recv_msg_t *msg, size_t size)
+    nxt_port_recv_msg_t *msg)
 {
     nxt_buf_t  *b;
     nxt_buf_t  *orig_b;
-    nxt_buf_t  **last_next;
 
-    if (nxt_slow_path(size < sizeof(nxt_port_msg_t))) {
-        nxt_log(port->socket.task, NXT_LOG_CRIT,
-                "port %d: too small message:%uz", port->socket.fd, size);
+    if (nxt_slow_path(msg->size < sizeof(nxt_port_msg_t))) {
+        nxt_log(task, NXT_LOG_CRIT,
+                "port %d: too small message:%uz", port->socket.fd, msg->size);
         goto fail;
     }
 
     /* adjust size to actual buffer used size */
-    size -= sizeof(nxt_port_msg_t);
+    msg->size -= sizeof(nxt_port_msg_t);
 
     b = orig_b = msg->buf;
-    b->mem.free += size;
+    b->mem.free += msg->size;
 
     if (msg->port_msg.mmap) {
-        nxt_port_mmap_read(task, port, msg, size);
+        nxt_port_mmap_read(task, port, msg);
         b = msg->buf;
     }
 
-    last_next = &b->next;
-
-    if (msg->port_msg.last) {
-        /* find reference to last next, the NULL one */
-        while (*last_next) {
-            last_next = &(*last_next)->next;
-        }
-
-        *last_next = nxt_buf_sync_alloc(port->mem_pool, NXT_BUF_SYNC_LAST);
-        if (nxt_slow_path(*last_next == NULL)) {
-            goto fail;
-        }
-    }
-
     port->handler(task, msg);
 
-    if (*last_next != NULL) {
-        /* A sync buffer */
-        nxt_buf_free(port->mem_pool, *last_next);
-        *last_next = NULL;
-    }
-
-    if (orig_b != b) {
-        /* complete mmap buffers */
+    if (msg->port_msg.mmap && orig_b != b) {
+        /* complete used mmap buffers */
         for (; b && nxt_buf_used_size(b) == 0;
             b = b->next) {
             nxt_debug(task, "complete buffer %p", b);
@@ -475,7 +455,6 @@ nxt_port_buf_alloc(nxt_port_t *port)
         b->mem.pos = b->mem.start;
         b->mem.free = b->mem.start;
         b->next = NULL;
-
     } else {
         b = nxt_buf_mem_alloc(port->mem_pool, port->max_size, 0);
         if (nxt_slow_path(b == NULL)) {