client: add *Builder::syncCancel(bool)

Option for asynchronous cancel (eg. implicitly through ~Operation).
2020-12-30 10:43:15 -08:00
parent c4d2cd4a10
commit 708fbc8062
9 changed files with 143 additions and 43 deletions
@@ -150,6 +150,32 @@ struct Tester {
        testOk1(!done.wait(2.1));
    }

+    void asyncCancel()
+    {
+        testShow()<<__func__;
+
+        struct info_t {
+            client::Result actual;
+            epicsEvent done;
+        };
+        auto info(std::make_shared<info_t>());
+
+        serv.start();
+
+        // not storing Operation -> immediate cancel()
+        cli.info("mailbox")
+                .syncCancel(false)
+                .result([info](client::Result&& result) {
+                    info->actual = std::move(result);
+                    info->done.signal();
+                })
+                .exec();
+
+        cli.hurryUp();
+
+        testOk1(!info->done.wait(2.1));
+    }
+
    void orphan()
    {
        testShow()<<__func__;
@@ -217,13 +243,14 @@ void testError()

 MAIN(testinfo)
 {
-    testPlan(12);
+    testPlan(13);
    testSetup();
    logger_config_env();
    Tester().loopback();
    Tester().lazy();
    Tester().timeout();
    Tester().cancel();
+    Tester().asyncCancel();
    Tester().orphan();
    testError();
    return testDone();