1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/* $Id$ */
/** @file
* Support Library Testcase - Ring-3 Semaphore interface - Zombie bugs.
*/
/*
* Copyright (C) 2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <VBox/sup.h>
#include <VBox/param.h>
#include <iprt/env.h>
#include <iprt/err.h>
#include <iprt/initterm.h>
#include <iprt/process.h>
#include <iprt/stream.h>
#include <iprt/string.h>
#include <iprt/test.h>
#include <iprt/time.h>
#include <iprt/thread.h>
/*******************************************************************************
* Structures and Typedefs *
*******************************************************************************/
static PSUPDRVSESSION g_pSession;
static RTTEST g_hTest;
static DECLCALLBACK(int) tstSupSemSRETimed(RTTHREAD hSelf, void *pvUser)
{
SUPSEMEVENT hEvent = (SUPSEMEVENT)pvUser;
RTThreadUserSignal(hSelf);
int rc = SUPSemEventWaitNoResume(g_pSession, hEvent, 120*1000);
AssertReleaseMsgFailed(("%Rrc\n", rc));
return rc;
}
static DECLCALLBACK(int) tstSupSemMRETimed(RTTHREAD hSelf, void *pvUser)
{
SUPSEMEVENTMULTI hEventMulti = (SUPSEMEVENTMULTI)pvUser;
RTThreadUserSignal(hSelf);
int rc = SUPSemEventMultiWaitNoResume(g_pSession, hEventMulti, 120*1000);
AssertReleaseMsgFailed(("%Rrc\n", rc));
return rc;
}
static DECLCALLBACK(int) tstSupSemSREInf(RTTHREAD hSelf, void *pvUser)
{
SUPSEMEVENT hEvent = (SUPSEMEVENT)pvUser;
RTThreadUserSignal(hSelf);
int rc = SUPSemEventWaitNoResume(g_pSession, hEvent, RT_INDEFINITE_WAIT);
AssertReleaseMsgFailed(("%Rrc\n", rc));
return rc;
}
static DECLCALLBACK(int) tstSupSemMREInf(RTTHREAD hSelf, void *pvUser)
{
SUPSEMEVENTMULTI hEventMulti = (SUPSEMEVENTMULTI)pvUser;
RTThreadUserSignal(hSelf);
int rc = SUPSemEventMultiWaitNoResume(g_pSession, hEventMulti, RT_INDEFINITE_WAIT);
AssertReleaseMsgFailed(("%Rrc\n", rc));
return rc;
}
static int mainChild(void)
{
/*
* Init.
*/
int rc = RTR3InitExeNoArguments(RTR3INIT_FLAGS_SUPLIB);
if (RT_FAILURE(rc))
{
RTPrintf("tstSupSem-Zombie-Child: fatal error: RTR3InitExeNoArguments failed with rc=%Rrc\n", rc);
return 1;
}
RTTEST hTest;
rc = RTTestCreate("tstSupSem-Zombie-Child", &hTest);
if (RT_FAILURE(rc))
{
RTPrintf("tstSupSem-Zombie-Child: fatal error: RTTestCreate failed with rc=%Rrc\n", rc);
return 1;
}
g_hTest = hTest;
PSUPDRVSESSION pSession;
rc = SUPR3Init(&pSession);
if (RT_FAILURE(rc))
{
RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc);
return RTTestSummaryAndDestroy(hTest);
}
g_pSession = pSession;
/*
* A semaphore of each kind and throw a bunch of threads on them.
*/
SUPSEMEVENT hEvent = NIL_SUPSEMEVENT;
RTTESTI_CHECK_RC(rc = SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
SUPSEMEVENTMULTI hEventMulti = NIL_SUPSEMEVENT;
RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEventMulti), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
for (uint32_t cThreads = 0; cThreads < 5; cThreads++)
{
RTTHREAD hThread;
RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemSRETimed, (void *)hEvent, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntSRE"), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemMRETimed, (void *)hEventMulti, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntMRE"), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemSREInf, (void *)hEvent, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntSRE"), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemMREInf, (void *)hEventMulti, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntMRE"), VINF_SUCCESS);
RTThreadSleep(2);
}
RTThreadSleep(50);
/*
* This is where the test really starts...
*/
return 0;
}
}
return RTTestSummaryAndDestroy(hTest);
}
/**
* The parent main routine.
* @param argv0 The executable name (or whatever).
*/
static int mainParent(const char *argv0)
{
/*
* Init.
*/
RTTEST hTest;
int rc = RTTestInitAndCreate("tstSupSem-Zombie", &hTest);
if (rc)
return rc;
RTTestBanner(hTest);
/*
* Spin of the child process which may or may not turn into a zombie
*/
for (uint32_t iPass = 0; iPass < 32; iPass++)
{
RTTestSubF(hTest, "Pass %u", iPass);
RTPROCESS hProcess;
const char *apszArgs[3] = { argv0, "--child", NULL };
RTTESTI_CHECK_RC_OK(rc = RTProcCreate(argv0, apszArgs, RTENV_DEFAULT, 0 /*fFlags*/, &hProcess));
if (RT_SUCCESS(rc))
{
/*
* Wait for 60 seconds then give up.
*/
RTPROCSTATUS Status;
uint64_t StartTS = RTTimeMilliTS();
for (;;)
{
rc = RTProcWait(hProcess, RTPROCWAIT_FLAGS_NOBLOCK, &Status);
if (RT_SUCCESS(rc))
break;
uint64_t cElapsed = RTTimeMilliTS() - StartTS;
if (cElapsed > 60*1000)
break;
RTThreadSleep(cElapsed < 60 ? 30 : cElapsed < 200 ? 10 : 100);
}
RTTESTI_CHECK_RC_OK(rc);
if ( RT_SUCCESS(rc)
&& ( Status.enmReason != RTPROCEXITREASON_NORMAL
|| Status.iStatus != 0))
{
RTTestIFailed("child %d (%#x) reason %d\n", Status.iStatus, Status.iStatus, Status.enmReason);
rc = VERR_PERMISSION_DENIED;
}
}
/* one zombie process is enough. */
if (RT_FAILURE(rc))
break;
}
return RTTestSummaryAndDestroy(hTest);
}
int main(int argc, char **argv)
{
if ( argc == 2
&& !strcmp(argv[1], "--child"))
return mainChild();
return mainParent(argv[0]);
}
|
