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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <setjmp.h>
#include <signal.h>
extern unsigned long OPENSSL_s390xcap_P[];
static sigjmp_buf ill_jmp;
static void ill_handler (int sig) { siglongjmp(ill_jmp,sig); }
unsigned long OPENSSL_s390x_facilities(void);
void OPENSSL_cpuid_setup(void)
{
sigset_t oset;
struct sigaction ill_act,oact;
if (OPENSSL_s390xcap_P[0]) return;
OPENSSL_s390xcap_P[0] = 1UL<<(8*sizeof(unsigned long)-1);
memset(&ill_act,0,sizeof(ill_act));
ill_act.sa_handler = ill_handler;
sigfillset(&ill_act.sa_mask);
sigdelset(&ill_act.sa_mask,SIGILL);
sigdelset(&ill_act.sa_mask,SIGTRAP);
sigprocmask(SIG_SETMASK,&ill_act.sa_mask,&oset);
sigaction (SIGILL,&ill_act,&oact);
/* protection against missing store-facility-list-extended */
if (sigsetjmp(ill_jmp,1) == 0)
OPENSSL_s390x_facilities();
sigaction (SIGILL,&oact,NULL);
sigprocmask(SIG_SETMASK,&oset,NULL);
}