1 /*
2 * File: cancel5.c
3 *
4 *
5 * --------------------------------------------------------------------------
6 *
7 * Pthreads-win32 - POSIX Threads Library for Win32
8 * Copyright(C) 1998 John E. Bossom
9 * Copyright(C) 1999,2005 Pthreads-win32 contributors
10 *
11 * Contact Email: rpj@callisto.canberra.edu.au
12 *
13 * The current list of contributors is contained
14 * in the file CONTRIBUTORS included with the source
15 * code distribution. The list can also be seen at the
16 * following World Wide Web location:
17 * http://sources.redhat.com/pthreads-win32/contributors.html
18 *
19 * This library is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU Lesser General Public
21 * License as published by the Free Software Foundation; either
22 * version 2 of the License, or (at your option) any later version.
23 *
24 * This library is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * Lesser General Public License for more details.
28 *
29 * You should have received a copy of the GNU Lesser General Public
30 * License along with this library in the file COPYING.LIB;
31 * if not, write to the Free Software Foundation, Inc.,
32 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
33 *
34 * --------------------------------------------------------------------------
35 *
36 * Test Synopsis: Test calling pthread_cancel from the main thread
37 * without calling pthread_self() in main.
38 *
39 * Test Method (Validation or Falsification):
40 * -
41 *
42 * Requirements Tested:
43 * -
44 *
45 * Features Tested:
46 * -
47 *
48 * Cases Tested:
49 * -
50 *
51 * Description:
52 * -
53 *
54 * Environment:
55 * -
56 *
57 * Input:
58 * - None.
59 *
60 * Output:
61 * - File name, Line number, and failed expression on failure.
62 * - No output on success.
63 *
64 * Assumptions:
65 * - have working pthread_create, pthread_self, pthread_mutex_lock/unlock
66 * pthread_testcancel, pthread_cancel, pthread_join
67 *
68 * Pass Criteria:
69 * - Process returns zero exit status.
70 *
71 * Fail Criteria:
72 * - Process returns non-zero exit status.
73 */
74
75 #include "test.h"
76
77 /*
78 * Create NUMTHREADS threads in addition to the Main thread.
79 */
80 enum
81 {
82 NUMTHREADS = 4
83 };
84
85 typedef struct bag_t_ bag_t;
86 struct bag_t_
87 {
88 int threadnum;
89 int started;
90 /* Add more per-thread state variables here */
91 int count;
92 };
93
94 static bag_t threadbag[NUMTHREADS + 1];
95
96 void *
mythread(void * arg)97 mythread (void *arg)
98 {
99 int result = (((int) (size_t) PTHREAD_CANCELED) + 1);
100 bag_t *bag = (bag_t *) arg;
101
102 assert (bag == &threadbag[bag->threadnum]);
103 assert (bag->started == 0);
104 bag->started = 1;
105
106 /* Set to known state and type */
107
108 assert (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) == 0);
109
110 assert (pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL) == 0);
111
112 /*
113 * We wait up to 10 seconds, waking every 0.1 seconds,
114 * for a cancelation to be applied to us.
115 */
116 for (bag->count = 0; bag->count < 100; bag->count++)
117 Sleep (100);
118
119 return (void *) (size_t) result;
120 }
121
122 int
main()123 main ()
124 {
125 int failed = 0;
126 int i;
127 pthread_t t[NUMTHREADS + 1];
128
129 for (i = 1; i <= NUMTHREADS; i++)
130 {
131 threadbag[i].started = 0;
132 threadbag[i].threadnum = i;
133 assert (pthread_create (&t[i], NULL, mythread, (void *) &threadbag[i])
134 == 0);
135 }
136
137 /*
138 * Code to control or munipulate child threads should probably go here.
139 */
140 Sleep (500);
141
142 for (i = 1; i <= NUMTHREADS; i++)
143 {
144 assert (pthread_cancel (t[i]) == 0);
145 }
146
147 /*
148 * Give threads time to run.
149 */
150 Sleep (NUMTHREADS * 100);
151
152 /*
153 * Standard check that all threads started.
154 */
155 for (i = 1; i <= NUMTHREADS; i++)
156 {
157 if (!threadbag[i].started)
158 {
159 failed |= !threadbag[i].started;
160 fprintf (stderr, "Thread %d: started %d\n", i,
161 threadbag[i].started);
162 }
163 }
164
165 assert (!failed);
166
167 /*
168 * Check any results here. Set "failed" and only print output on failure.
169 */
170 failed = 0;
171 for (i = 1; i <= NUMTHREADS; i++)
172 {
173 int fail = 0;
174 intptr_t result = 0;
175
176 /*
177 * The thread does not contain any cancelation points, so
178 * a return value of PTHREAD_CANCELED confirms that async
179 * cancelation succeeded.
180 */
181 assert (pthread_join (t[i], (void **) &result) == 0);
182
183 fail = (result != (intptr_t) PTHREAD_CANCELED);
184
185 if (fail)
186 {
187 fprintf (stderr, "Thread %d: started %d: count %d\n",
188 i, threadbag[i].started, threadbag[i].count);
189 }
190 failed = (failed || fail);
191 }
192
193 assert (!failed);
194
195 /*
196 * Success.
197 */
198 return 0;
199 }
200