//
|
// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
|
// Copyright 2018 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 <nng/supplemental/util/platform.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 *arg)
|
{
|
struct notifyarg *na = arg;
|
|
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(); }); })
|
