int main()
{
unsigned cpu, node;
/* Since the getcpu_cache structure isn't exported to userspace,
* just allocate a big buffer. */
char buf[1024 * 1024];
__getcpu(&cpu, &node, &buf);
//staptest// getcpu (XXXX, XXXX, XXXX) = 0
/* Limit testing. */
__getcpu((unsigned *)-1, &node, &buf);
#ifdef __s390__
//staptest// getcpu (0x[7]?[f]+, XXXX, XXXX) = NNNN
#else
//staptest// getcpu (0x[f]+, XXXX, XXXX) = NNNN
#endif
__getcpu(&cpu, (unsigned *)-1, &buf);
#ifdef __s390__
//staptest// getcpu (XXXX, 0x[7]?[f]+, XXXX) = NNNN
#else
//staptest// getcpu (XXXX, 0x[f]+, XXXX) = NNNN
#endif
__getcpu(&cpu, &node, (void *)-1);
#ifdef __s390__
//staptest// getcpu (XXXX, XXXX, 0x[7]?[f]+) = NNNN
#else
//staptest// getcpu (XXXX, XXXX, 0x[f]+) = NNNN
#endif
return 0;
}
int sched_getcpu() {
unsigned cpu;
int rc = __getcpu(&cpu, nullptr, nullptr);
if (rc == -1) {
return -1; // errno is already set.
}
return cpu;
}
