static bool tstBasics(void)
{
RTTestSub(g_hTest, "Basics");
RTSEMXROADS hXRoads;
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsCreate(&hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsNSEnter(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsNSLeave(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsEWEnter(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsEWLeave(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsEWEnter(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsEWLeave(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsNSEnter(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsNSLeave(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsNSEnter(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsNSLeave(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsDestroy(hXRoads), VINF_SUCCESS, false);
RTTEST_CHECK_RC_RET(g_hTest, RTSemXRoadsDestroy(NIL_RTSEMXROADS), VINF_SUCCESS, false);
return true;
}
int videoAccelConstruct(VIDEOACCEL *pVideoAccel)
{
pVideoAccel->pVbvaMemory = NULL;
pVideoAccel->fVideoAccelEnabled = false;
pVideoAccel->pu8VbvaPartial = NULL;
pVideoAccel->cbVbvaPartial = 0;
pVideoAccel->hXRoadsVideoAccel = NIL_RTSEMXROADS;
int rc = RTSemXRoadsCreate(&pVideoAccel->hXRoadsVideoAccel);
AssertRC(rc);
return rc;
}
static void tstTraffic(unsigned cThreads, unsigned cSecs)
{
RTTestSubF(g_hTest, "Traffic - %u threads per direction, %u sec", cThreads, cSecs);
/*
* Create X worker threads which drives in the south/north direction and Y
* worker threads which drives in the west/east direction. Let them drive
* in a loop for 15 seconds with slight delays between some of the runs and
* then check the numbers.
*/
/* init */
RTTHREAD ahThreadsX[8];
for (unsigned i = 0; i < RT_ELEMENTS(ahThreadsX); i++)
ahThreadsX[i] = NIL_RTTHREAD;
AssertRelease(RT_ELEMENTS(ahThreadsX) >= cThreads);
RTTHREAD ahThreadsY[8];
for (unsigned i = 0; i < RT_ELEMENTS(ahThreadsY); i++)
ahThreadsY[i] = NIL_RTTHREAD;
AssertRelease(RT_ELEMENTS(ahThreadsY) >= cThreads);
g_cNSCrossings = 0;
g_cEWCrossings = 0;
g_cSecs = cSecs;
g_u64StartMilliTS = RTTimeMilliTS();
/* create */
RTTEST_CHECK_RC_RETV(g_hTest, RTSemXRoadsCreate(&g_hXRoads), VINF_SUCCESS);
int rc = VINF_SUCCESS;
for (unsigned i = 0; i < cThreads && RT_SUCCESS(rc); i++)
{
rc = RTThreadCreateF(&ahThreadsX[i], tstTrafficNSThread, (void *)(uintptr_t)i, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "NS-%u", i);
RTTEST_CHECK_RC_OK(g_hTest, rc);
}
for (unsigned i = 0; i < cThreads && RT_SUCCESS(rc); i++)
{
rc = RTThreadCreateF(&ahThreadsX[i], tstTrafficEWThread, (void *)(uintptr_t)i, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "NS-%u", i);
RTTEST_CHECK_RC_OK(g_hTest, rc);
}
/* wait */
for (unsigned i = 0; i < RT_ELEMENTS(ahThreadsX); i++)
if (ahThreadsX[i] != NIL_RTTHREAD)
{
int rc2 = RTThreadWaitNoResume(ahThreadsX[i], (60 + cSecs) * 1000, NULL);
RTTEST_CHECK_RC_OK(g_hTest, rc2);
}
for (unsigned i = 0; i < RT_ELEMENTS(ahThreadsY); i++)
if (ahThreadsY[i] != NIL_RTTHREAD)
{
int rc2 = RTThreadWaitNoResume(ahThreadsY[i], (60 + cSecs) * 1000, NULL);
RTTEST_CHECK_RC_OK(g_hTest, rc2);
}
RTTEST_CHECK_MSG_RETV(g_hTest, g_cEWCrossings > 10 && g_cNSCrossings,
(g_hTest, "cEWCrossings=%u g_cNSCrossings=%u\n", g_cEWCrossings, g_cNSCrossings));
RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "cNSCrossings=%u\n", g_cNSCrossings);
RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "cEWCrossings=%u\n", g_cEWCrossings);
}