mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/* 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"
|