tests: convert synch test to NUTS.

While here we added a test for nng_cv_wake1 to demonstrate it does
not fall afoul of the thundering herd.

2 files changed, 0 insertions, 139 deletions

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 272ba78e..1e8ea918 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -130,7 +130,6 @@ add_nng_test1(httpserver 30 NNG_SUPP_HTTP)
 add_nng_test(ipcsupp 10)
 add_nng_test(nonblock 60)
 add_nng_test(scalability 20 ON)
-add_nng_test(synch 5)
 add_nng_test(tcpsupp 10)
 add_nng_test(wss 30)
 add_nng_test1(zt 60 NNG_TRANSPORT_ZEROTIER)
diff --git a/tests/synch.c b/tests/synch.c
deleted file mode 100644
index c0bf18c9..00000000
--- a/tests/synch.c
+++ /dev/null
@@ -1,138 +0,0 @@
-//
-// Copyright 2022 Staysail Systems, Inc. <info@staysail.tech>
-// Copyright 2024 Capitar IT Group BV <info@capitar.com>
-//
-// This software is supplied under the terms of the MIT License, a
-// copy of which should be located in the distribution where this
-// file was obtained (LICENSE.txt).  A copy of the license may also be
-// found online at https://opensource.org/licenses/MIT.
-//
-
-#include <nng/nng.h>
-
-#include "convey.h"
-
-// Notify tests for verifying condvars.
-struct notifyarg {
-	int          did;
-	nng_duration when;
-	nng_mtx     *mx;
-	nng_cv      *cv;
-};
-
-void
-notifyafter(void *a)
-{
-	struct notifyarg *na = a;
-
-	nng_msleep(na->when);
-	nng_mtx_lock(na->mx);
-	na->did = 1;
-	nng_cv_wake(na->cv);
-	nng_mtx_unlock(na->mx);
-}
-
-struct notifyarg arg;
-nng_thread      *thr;
-
-static void
-test_sync(void)
-{
-	Convey("Mutexes work", {
-		nng_mtx *mx;
-
-		So(nng_mtx_alloc(&mx) == 0);
-		Reset({ nng_mtx_free(mx); });
-
-		Convey("We can lock and unlock a mutex", {
-			nng_mtx_lock(mx);
-			So(1);
-			nng_mtx_unlock(mx);
-			So(1);
-			Convey("And then lock it again", {
-				nng_mtx_lock(mx);
-				So(1);
-				nng_mtx_unlock(mx);
-				So(1);
-			});
-		});
-		Convey("Things block properly", {
-			So(nng_mtx_alloc(&arg.mx) == 0);
-			So(nng_cv_alloc(&arg.cv, arg.mx) == 0);
-			arg.did  = 0;
-			arg.when = 0;
-			nng_mtx_lock(arg.mx);
-			So(nng_thread_create(&thr, notifyafter, &arg) == 0);
-			nng_msleep(10);
-			So(arg.did == 0);
-			nng_mtx_unlock(arg.mx);
-			nng_msleep(10);
-			nng_mtx_lock(arg.mx);
-			while (!arg.did) {
-				nng_cv_wait(arg.cv);
-			}
-			So(arg.did != 0);
-			nng_mtx_unlock(arg.mx);
-			nng_thread_destroy(thr);
-			nng_cv_free(arg.cv);
-			nng_mtx_free(arg.mx);
-		})
-	});
-
-	Convey("Condition variables work", {
-		So(nng_mtx_alloc(&arg.mx) == 0);
-		So(nng_cv_alloc(&arg.cv, arg.mx) == 0);
-
-		Reset({
-			nng_cv_free(arg.cv);
-			nng_mtx_free(arg.mx);
-		});
-
-		Convey("Notification works", {
-			arg.did  = 0;
-			arg.when = 10;
-			So(nng_thread_create(&thr, notifyafter, &arg) == 0);
-
-			nng_mtx_lock(arg.mx);
-			if (!arg.did) {
-				nng_cv_wait(arg.cv);
-			}
-			nng_mtx_unlock(arg.mx);
-			nng_thread_destroy(thr);
-			So(arg.did == 1);
-		});
-
-		Convey("Timeout works", {
-			arg.did  = 0;
-			arg.when = 200;
-			So(nng_thread_create(&thr, notifyafter, &arg) == 0);
-			nng_mtx_lock(arg.mx);
-			if (!arg.did) {
-				nng_cv_until(arg.cv, nng_clock() + 10);
-			}
-			So(arg.did == 0);
-			nng_mtx_unlock(arg.mx);
-			nng_thread_destroy(thr);
-		});
-
-		Convey("Empty timeout is EAGAIN", {
-			nng_mtx_lock(arg.mx);
-			So(nng_cv_until(arg.cv, 0) == NNG_EAGAIN);
-			nng_mtx_unlock(arg.mx);
-		});
-
-		Convey("Not running works", {
-			arg.did  = 0;
-			arg.when = 1;
-			nng_mtx_lock(arg.mx);
-			if (!arg.did) {
-				nng_cv_until(arg.cv, nng_clock() + 10);
-			}
-			So(arg.did == 0);
-			nng_mtx_unlock(arg.mx);
-		});
-	});
-}
-
-TestMain(
-    "Synchronization", { Convey("Synchronization works", { test_sync(); }); })