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
|
#include <errno.h>
#include <semaphore.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#include <internaltypes.h>
static int
do_test (void)
{
union
{
sem_t s;
struct new_sem ns;
} u;
if (sem_init (&u.s, 0, 0) != 0)
{
puts ("sem_init failed");
return 1;
}
struct timespec ts = { 0, 1000000001 }; /* Invalid. */
errno = 0;
if (sem_timedwait (&u.s, &ts) >= 0)
{
puts ("sem_timedwait did not fail");
return 1;
}
if (errno != EINVAL)
{
perror ("sem_timedwait did not fail with EINVAL");
return 1;
}
#if __HAVE_64B_ATOMICS
unsigned int nwaiters = (u.ns.data >> SEM_NWAITERS_SHIFT);
#else
unsigned int nwaiters = u.ns.nwaiters;
#endif
if (nwaiters != 0)
{
printf ("sem_timedwait modified nwaiters: %d\n", nwaiters);
return 1;
}
ts.tv_sec = /* Invalid. */ -2;
ts.tv_nsec = 0;
errno = 0;
if (sem_timedwait (&u.s, &ts) >= 0)
{
puts ("2nd sem_timedwait did not fail");
return 1;
}
if (errno != ETIMEDOUT)
{
perror ("2nd sem_timedwait did not fail with ETIMEDOUT");
return 1;
}
#if __HAVE_64B_ATOMICS
nwaiters = (u.ns.data >> SEM_NWAITERS_SHIFT);
#else
nwaiters = u.ns.nwaiters;
#endif
if (nwaiters != 0)
{
printf ("2nd sem_timedwait modified nwaiters: %d\n", nwaiters);
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
