diff options
author | Parménides GV <parmegv@sdf.org> | 2014-11-04 20:45:42 +0100 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-11-04 20:45:42 +0100 |
commit | 5304543ebd60778ad46123cd63142e27627fa150 (patch) | |
tree | b07723b530e20b23ae83de822387f6551ea7f9f4 /ics-openvpn-stripped/main/openssl/crypto/s390xcap.c | |
parent | 713c3a98f53a6bd1ad94e90f28d3e37d20abfab9 (diff) |
Update ics-openvpn to rev 906.
Diffstat (limited to 'ics-openvpn-stripped/main/openssl/crypto/s390xcap.c')
-rw-r--r-- | ics-openvpn-stripped/main/openssl/crypto/s390xcap.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/ics-openvpn-stripped/main/openssl/crypto/s390xcap.c b/ics-openvpn-stripped/main/openssl/crypto/s390xcap.c new file mode 100644 index 00000000..f2e94ef4 --- /dev/null +++ b/ics-openvpn-stripped/main/openssl/crypto/s390xcap.c @@ -0,0 +1,37 @@ +#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); + } |