I'm trying to discover why two tests in the testsuite for 'check'
always fail for me. I've now got a response that the tests raise
SIGFPE but do not receive it. The example is
ken@plexi ~/check-debug $cat test.c
#include <stdio.h>
#include <signal.h>
int main() {
printf("Before\n");
raise(SIGFPE);
printf("After\n");
return 0;
}
followed by gcc test.c ; ./a.out
That should terminate on the signal, but for me it doesn't:
ken@plexi ~/check-debug $./a.out
Before
After
However, if I try a division by zero I do get the exception:
ken@plexi ~/check-debug $cat divbyzero.c
#include <stdio.h>
#include <signal.h>
int main() {
int a = 1000;
int z = 0;
int result;
printf("Before\n");
//raise(SIGFPE);
result = a / z;
printf("After\n");
return result;
}
gcc -o divbyzero divbyzero.c
ken@plexi ~/check-debug $./divbyzero
Before
Floating point exception
Any clues to how I can find what is causing this breakage, please ?
It seems to happen on all my machines.
ĸen
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