VirtualBox

source: vbox/trunk/src/VBox/HostDrivers/Support/testcase/tstSupSem-Zombie.cpp@ 103914

Last change on this file since 103914 was 98103, checked in by vboxsync, 23 months ago

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1/* $Id: tstSupSem-Zombie.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * Support Library Testcase - Ring-3 Semaphore interface - Zombie bugs.
4 */
5
6/*
7 * Copyright (C) 2009-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * The contents of this file may alternatively be used under the terms
26 * of the Common Development and Distribution License Version 1.0
27 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28 * in the VirtualBox distribution, in which case the provisions of the
29 * CDDL are applicable instead of those of the GPL.
30 *
31 * You may elect to license modified versions of this file under the
32 * terms and conditions of either the GPL or the CDDL or both.
33 *
34 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35 */
36
37
38/*********************************************************************************************************************************
39* Header Files *
40*********************************************************************************************************************************/
41#include <VBox/sup.h>
42
43#include <VBox/param.h>
44#include <iprt/env.h>
45#include <iprt/errcore.h>
46#include <iprt/initterm.h>
47#include <iprt/process.h>
48#include <iprt/stream.h>
49#include <iprt/string.h>
50#include <iprt/test.h>
51#include <iprt/time.h>
52#include <iprt/thread.h>
53
54
55/*********************************************************************************************************************************
56* Structures and Typedefs *
57*********************************************************************************************************************************/
58static PSUPDRVSESSION g_pSession;
59static RTTEST g_hTest;
60
61
62
63static DECLCALLBACK(int) tstSupSemSRETimed(RTTHREAD hSelf, void *pvUser)
64{
65 SUPSEMEVENT hEvent = (SUPSEMEVENT)pvUser;
66 RTThreadUserSignal(hSelf);
67 int rc = SUPSemEventWaitNoResume(g_pSession, hEvent, 120*1000);
68 AssertReleaseMsg(rc == VERR_INTERRUPTED, ("%Rrc\n", rc));
69 return rc;
70}
71
72
73static DECLCALLBACK(int) tstSupSemMRETimed(RTTHREAD hSelf, void *pvUser)
74{
75 SUPSEMEVENTMULTI hEventMulti = (SUPSEMEVENTMULTI)pvUser;
76 RTThreadUserSignal(hSelf);
77 int rc = SUPSemEventMultiWaitNoResume(g_pSession, hEventMulti, 120*1000);
78 AssertReleaseMsg(rc == VERR_INTERRUPTED, ("%Rrc\n", rc));
79 return rc;
80}
81
82
83static DECLCALLBACK(int) tstSupSemSREInf(RTTHREAD hSelf, void *pvUser)
84{
85 SUPSEMEVENT hEvent = (SUPSEMEVENT)pvUser;
86 RTThreadUserSignal(hSelf);
87 int rc = SUPSemEventWaitNoResume(g_pSession, hEvent, RT_INDEFINITE_WAIT);
88 AssertReleaseMsg(rc == VERR_INTERRUPTED, ("%Rrc\n", rc));
89 return rc;
90}
91
92
93static DECLCALLBACK(int) tstSupSemMREInf(RTTHREAD hSelf, void *pvUser)
94{
95 SUPSEMEVENTMULTI hEventMulti = (SUPSEMEVENTMULTI)pvUser;
96 RTThreadUserSignal(hSelf);
97 int rc = SUPSemEventMultiWaitNoResume(g_pSession, hEventMulti, RT_INDEFINITE_WAIT);
98 AssertReleaseMsg(rc == VERR_INTERRUPTED, ("%Rrc\n", rc));
99 return rc;
100}
101
102static int mainChild(void)
103{
104 /*
105 * Init.
106 */
107 int rc = RTR3InitExeNoArguments(RTR3INIT_FLAGS_TRY_SUPLIB);
108 if (RT_FAILURE(rc))
109 {
110 RTPrintf("tstSupSem-Zombie-Child: fatal error: RTR3InitExeNoArguments failed with rc=%Rrc\n", rc);
111 return 1;
112 }
113
114 RTTEST hTest;
115 rc = RTTestCreate("tstSupSem-Zombie-Child", &hTest);
116 if (RT_FAILURE(rc))
117 {
118 RTPrintf("tstSupSem-Zombie-Child: fatal error: RTTestCreate failed with rc=%Rrc\n", rc);
119 return 1;
120 }
121 g_hTest = hTest;
122
123 PSUPDRVSESSION pSession;
124 rc = SUPR3Init(&pSession);
125 if (RT_FAILURE(rc))
126 {
127 RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc);
128 return RTTestSummaryAndDestroy(hTest);
129 }
130 g_pSession = pSession;
131
132 /*
133 * A semaphore of each kind and throw a bunch of threads on them.
134 */
135 SUPSEMEVENT hEvent = NIL_SUPSEMEVENT;
136 RTTESTI_CHECK_RC(rc = SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS);
137 if (RT_SUCCESS(rc))
138 {
139 SUPSEMEVENTMULTI hEventMulti = NIL_SUPSEMEVENT;
140 RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEventMulti), VINF_SUCCESS);
141 if (RT_SUCCESS(rc))
142 {
143 for (uint32_t cThreads = 0; cThreads < 5; cThreads++)
144 {
145 RTTHREAD hThread;
146 RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemSRETimed, (void *)hEvent, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntSRE"), VINF_SUCCESS);
147 RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemMRETimed, (void *)hEventMulti, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntMRE"), VINF_SUCCESS);
148 RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemSREInf, (void *)hEvent, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntSRE"), VINF_SUCCESS);
149 RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemMREInf, (void *)hEventMulti, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntMRE"), VINF_SUCCESS);
150 RTThreadSleep(2);
151 }
152 RTThreadSleep(50);
153
154 /*
155 * This is where the test really starts...
156 */
157 return 0;
158 }
159 }
160
161 return RTTestSummaryAndDestroy(hTest);
162}
163
164
165/**
166 * The parent main routine.
167 * @param argv0 The executable name (or whatever).
168 */
169static int mainParent(const char *argv0)
170{
171 /*
172 * Init.
173 */
174 RTTEST hTest;
175 int rc = RTTestInitAndCreate("tstSupSem-Zombie", &hTest);
176 if (rc)
177 return rc;
178 RTTestBanner(hTest);
179
180 /*
181 * Spin of the child process which may or may not turn into a zombie
182 */
183 for (uint32_t iPass = 0; iPass < 32; iPass++)
184 {
185 RTTestSubF(hTest, "Pass %u", iPass);
186
187 RTPROCESS hProcess;
188 const char *apszArgs[3] = { argv0, "--child", NULL };
189 RTTESTI_CHECK_RC_OK(rc = RTProcCreate(argv0, apszArgs, RTENV_DEFAULT, 0 /*fFlags*/, &hProcess));
190 if (RT_SUCCESS(rc))
191 {
192 /*
193 * Wait for 60 seconds then give up.
194 */
195 RTPROCSTATUS Status;
196 uint64_t StartTS = RTTimeMilliTS();
197 for (;;)
198 {
199 rc = RTProcWait(hProcess, RTPROCWAIT_FLAGS_NOBLOCK, &Status);
200 if (RT_SUCCESS(rc))
201 break;
202 uint64_t cElapsed = RTTimeMilliTS() - StartTS;
203 if (cElapsed > 60*1000)
204 break;
205 RTThreadSleep(cElapsed < 60 ? 30 : cElapsed < 200 ? 10 : 100);
206 }
207 RTTESTI_CHECK_RC_OK(rc);
208 if ( RT_SUCCESS(rc)
209 && ( Status.enmReason != RTPROCEXITREASON_NORMAL
210 || Status.iStatus != 0))
211 {
212 RTTestIFailed("child %d (%#x) reason %d\n", Status.iStatus, Status.iStatus, Status.enmReason);
213 rc = VERR_PERMISSION_DENIED;
214 }
215 }
216 /* one zombie process is enough. */
217 if (RT_FAILURE(rc))
218 break;
219 }
220
221 return RTTestSummaryAndDestroy(hTest);
222}
223
224
225int main(int argc, char **argv)
226{
227 if ( argc == 2
228 && !strcmp(argv[1], "--child"))
229 return mainChild();
230 return mainParent(argv[0]);
231}
232
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