bugfix: when the entry coroutine was yielded by coroutine.yield() then after it was resumed automatically its status would still be "suspended".

Author: agentzh

src/ngx_http_lua_util.c

@@ -987,10 +987,13 @@ ngx_http_lua_run_thread(lua_State *L, ngx_http_request_t *r,
                                    "lua coroutine: yield");
 
                     ctx->co_op = NGX_HTTP_LUA_USER_CORO_NOP;
+
                     if (ctx->cur_co_ctx->co == ctx->entry_co_ctx.co) {
                         /* entry coroutine yielded will be resumed
                          * immediately */
 
+                        ctx->cur_co_ctx->co_status = NGX_HTTP_LUA_CO_RUNNING;
+
                         ngx_http_lua_probe_entry_coroutine_yield(r,
                                                          ctx->cur_co_ctx->co);
 

t/091-coroutine.t

@@ -903,3 +903,23 @@ parent: status: running
 --- error_log
 lua coroutine: runtime error: [string "content_by_lua"]:4: bad
 
+
+
+=== TEST 22: entry coroutine is yielded by hand and still gets the right status
+--- config
+    location /t {
+        content_by_lua '
+            local co = coroutine.running()
+            ngx.say("status: ", coroutine.status(co))
+            coroutine.yield(co)
+            ngx.say("status: ", coroutine.status(co))
+        ';
+    }
+--- request
+GET /t
+--- response_body
+status: running
+status: running
+--- no_error_log
+[error]
+