virtualx-engine/drivers/builtin_openssl2/crypto/s390xcap.c
Juan Linietsky 678948068b Small Issues & Maintenance
-=-=-=-=-=-=-=-=-=-=-=-=-=

-Begin work on Navigation Meshes (simple pathfinding for now, will improve soon)
-More doc on theme overriding
-Upgraded OpenSSL to version without bugs
-Misc bugfixes
2014-08-01 22:10:38 -03:00

37 lines
926 B
C

#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);
}