blob: 133ee91eff8e27846d32df1a95624eedbf94eaeb (
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
|
/* BZ 12420 */
#include <errno.h>
#include <fenv.h>
#include <stdio.h>
#include <stdlib.h>
#include <ucontext.h>
static int
do_test (void)
{
if (FE_ALL_EXCEPT == 0)
{
printf("Skipping test; no support for FP exceptions.\n");
return 0;
}
int except_mask = 0;
#ifdef FE_DIVBYZERO
except_mask |= FE_DIVBYZERO;
#endif
#ifdef FE_INVALID
except_mask |= FE_INVALID;
#endif
#ifdef FE_OVERFLOW
except_mask |= FE_OVERFLOW;
#endif
#ifdef FE_UNDERFLOW
except_mask |= FE_UNDERFLOW;
#endif
int status = feenableexcept (except_mask);
except_mask = fegetexcept ();
if (except_mask == -1)
{
printf("\nBefore getcontext(): fegetexcept returned: %d\n",
except_mask);
return 1;
}
ucontext_t ctx;
status = getcontext(&ctx);
if (status)
{
printf("\ngetcontext failed, errno: %d.\n", errno);
return 1;
}
printf ("\nDone with getcontext()!\n");
fflush (NULL);
int mask = fegetexcept ();
if (mask != except_mask)
{
printf("\nAfter getcontext(): fegetexcept returned: %d, expected: %d.\n",
mask, except_mask);
return 1;
}
printf("\nAt end fegetexcept() returned %d, expected: %d.\n",
mask, except_mask);
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
