Fix #536: fiber.info() doesn't list fibers with default names

src/lua/fiber.cc

@@ -220,9 +220,13 @@ lbox_fiber_statof(struct fiber *f, void *cb_ctx)
 {
 	struct lua_State *L = (struct lua_State *) cb_ctx;
 
-	lua_pushstring(L, fiber_name(f));
+	lua_pushinteger(L, f->fid);
 	lua_newtable(L);
 
+	lua_pushliteral(L, "name");
+	lua_pushstring(L, fiber_name(f));
+	lua_settable(L, -3);
+
 	lua_pushstring(L, "fid");
 	lua_pushnumber(L, f->fid);
 	lua_settable(L, -3);

test/box/fiber.result

@@ -726,6 +726,44 @@ done
 ---
 - true
 ...
+-- # gh-536: fiber.info() doesn't list fibers with default names
+--
+function loop() while true do fiber.sleep(10) end end
+---
+...
+f1 = fiber.create(loop)
+---
+...
+f2 = fiber.create(loop)
+---
+...
+f3 = fiber.create(loop)
+---
+...
+info = fiber.info()
+---
+...
+info[f1:id()] ~= nil
+---
+- true
+...
+info[f2:id()] ~= nil
+---
+- true
+...
+info[f3:id()] ~= nil
+---
+- true
+...
+f1:cancel()
+---
+...
+f2:cancel()
+---
+...
+f3:cancel()
+---
+...
 fiber = nil
 ---
 ...

test/box/fiber.test.lua

@@ -296,4 +296,20 @@ end;
 f = fiber.create(test)
 done
 
+-- # gh-536: fiber.info() doesn't list fibers with default names
+--
+function loop() while true do fiber.sleep(10) end end
+f1 = fiber.create(loop)
+f2 = fiber.create(loop)
+f3 = fiber.create(loop)
+
+info = fiber.info()
+info[f1:id()] ~= nil
+info[f2:id()] ~= nil
+info[f3:id()] ~= nil
+
+f1:cancel()
+f2:cancel()
+f3:cancel()
+
 fiber = nil