7 extern unsigned long OPENSSL_s390xcap_P[];
9 static sigjmp_buf ill_jmp;
10 static void ill_handler (int sig) { siglongjmp(ill_jmp,sig); }
12 unsigned long OPENSSL_s390x_facilities(void);
14 void OPENSSL_cpuid_setup(void)
17 struct sigaction ill_act,oact;
19 if (OPENSSL_s390xcap_P[0]) return;
21 OPENSSL_s390xcap_P[0] = 1UL<<(8*sizeof(unsigned long)-1);
23 memset(&ill_act,0,sizeof(ill_act));
24 ill_act.sa_handler = ill_handler;
25 sigfillset(&ill_act.sa_mask);
26 sigdelset(&ill_act.sa_mask,SIGILL);
27 sigdelset(&ill_act.sa_mask,SIGTRAP);
28 sigprocmask(SIG_SETMASK,&ill_act.sa_mask,&oset);
29 sigaction (SIGILL,&ill_act,&oact);
31 /* protection against missing store-facility-list-extended */
32 if (sigsetjmp(ill_jmp,1) == 0)
33 OPENSSL_s390x_facilities();
35 sigaction (SIGILL,&oact,NULL);
36 sigprocmask(SIG_SETMASK,&oset,NULL);