int isTSCAvail(void) {
struct sigaction act, oldact;
rawTime64 v;
int retVal=0;
act.sa_handler = int_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
if(sigaction(SIGSEGV, &act, &oldact) < 0) {
perror("isTSCAvail: Error setting up SIGSEGV handler");
exit(1);
}
if(sigsetjmp(jmpbuf, 1)==0) {
jumpok = 1;
getTSC(v);
retVal=1;
} else {
retVal=0;
}
if(sigaction(SIGSEGV, &oldact, NULL) < 0) {
perror("isTSCAvail: Error resetting the SIGSEGV handler");
exit(1);
}
return retVal;
}
inline cycle_t get_cycles_now() { return getTSC(); }
rawTime64 getRawTimeTSC() {
rawTime64 v;
getTSC( v );
return v;
} /* end getRawTimeTSC() */
