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
|
/*
* File: cancel1.c
*
* Test Synopsis: Test setting cancel state and cancel type.
* -
*
* Test Method (Validation or Falsification):
* -
*
* Requirements Tested:
* - pthread_setcancelstate function
* - pthread_setcanceltype function
*
* Features Tested:
* -
*
* Cases Tested:
* -
*
* Description:
* -
*
* Environment:
* -
*
* Input:
* - None.
*
* Output:
* - File name, Line number, and failed expression on failure.
* - No output on success.
*
* Assumptions:
* - pthread_create, pthread_self work.
*
* Pass Criteria:
* - Process returns zero exit status.
*
* Fail Criteria:
* - Process returns non-zero exit status.
*/
#include "test.h"
/*
* Create NUMTHREADS threads in addition to the Main thread.
*/
enum {
NUMTHREADS = 10
};
typedef struct bag_t_ bag_t;
struct bag_t_ {
int threadnum;
int started;
/* Add more per-thread state variables here */
};
static bag_t threadbag[NUMTHREADS + 1];
void *
mythread(void * arg)
{
bag_t * bag = (bag_t *) arg;
assert(bag == &threadbag[bag->threadnum]);
assert(bag->started == 0);
bag->started = 1;
/* ... */
{
int oldstate;
int oldtype;
assert(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate) == 0);
assert(oldstate == PTHREAD_CANCEL_ENABLE); /* Check default */
assert(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) == 0);
assert(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL) == 0);
assert(pthread_setcancelstate(oldstate, &oldstate) == 0);
assert(oldstate == PTHREAD_CANCEL_DISABLE); /* Check setting */
assert(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype) == 0);
assert(oldtype == PTHREAD_CANCEL_DEFERRED); /* Check default */
assert(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) == 0);
assert(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL) == 0);
assert(pthread_setcanceltype(oldtype, &oldtype) == 0);
assert(oldtype == PTHREAD_CANCEL_ASYNCHRONOUS); /* Check setting */
}
return 0;
}
int
main()
{
int failed = 0;
int i;
pthread_t t[NUMTHREADS + 1];
assert((t[0] = pthread_self()) != NULL);
for (i = 1; i <= NUMTHREADS; i++)
{
threadbag[i].started = 0;
threadbag[i].threadnum = i;
assert(pthread_create(&t[i], NULL, mythread, (void *) &threadbag[i]) == 0);
}
/*
* Code to control or munipulate child threads should probably go here.
*/
/*
* Give threads time to run.
*/
Sleep(NUMTHREADS * 1000);
/*
* Standard check that all threads started.
*/
for (i = 1; i <= NUMTHREADS; i++)
{
failed = !threadbag[i].started;
if (failed)
{
fprintf(stderr, "Thread %d: started %d\n", i, threadbag[i].started);
}
}
assert(!failed);
/*
* Check any results here. Set "failed" and only print ouput on failure.
*/
for (i = 1; i <= NUMTHREADS; i++)
{
/* ... */
}
assert(!failed);
/*
* Success.
*/
return 0;
}
|
