blob: 52cf079d5a52fe8d1bc1452571c4dc165c9f9f20 (
plain)
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
|
#include <cstdlib>
#include <cstdio>
#include <pthread.h>
#include <semaphore.h>
#include <unistd.h>
static volatile bool destr_called;
static volatile bool except_caught;
static pthread_barrier_t b;
struct monitor
{
// gcc is broken and would generate a warning without this dummy
// constructor.
monitor () { }
~monitor() { destr_called = true; }
};
static void *
tf (void *arg)
{
sem_t *s = static_cast<sem_t *> (arg);
try
{
monitor m;
pthread_barrier_wait (&b);
while (1)
sem_wait (s);
}
catch (...)
{
except_caught = true;
throw;
}
return NULL;
}
static int
do_test ()
{
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier_init failed");
return 1;
}
sem_t s;
if (sem_init (&s, 0, 0) != 0)
{
puts ("sem_init failed");
return 1;
}
pthread_t th;
if (pthread_create (&th, NULL, tf, &s) != 0)
{
puts ("pthread_create failed");
return 1;
}
pthread_barrier_wait (&b);
/* There is unfortunately no better method to try to assure the
child thread reached the sem_wait call and is actually waiting
than to sleep here. */
sleep (1);
if (pthread_cancel (th) != 0)
{
puts ("cancel failed");
return 1;
}
void *res;
if (pthread_join (th, &res) != 0)
{
puts ("join failed");
return 1;
}
if (res != PTHREAD_CANCELED)
{
puts ("thread was not canceled");
return 1;
}
if (! except_caught)
{
puts ("exception not caught");
return 1;
}
if (! destr_called)
{
puts ("destructor not called");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#define TIMEOUT 3
#include "../test-skeleton.c"
|
