+#elif defined(__SunOS)
+ unsigned count = 0;
+ int type;
+ u_int numcpus;
+ processorid_t *cpulist;
+ processor_info_t cpuinfo;
+ cpulist = malloc(sizeof(processorid_t) * sysconf(_SC_NPROCESSORS_MAX));
+ if (!cpulist) return 1;
+ if (pset_info(PS_MYID, &type, &numcpus, cpulist)==0)
+ {
+ for (u_int i = 0; i < numcpus; i++)
+ {
+ if (!processor_info(cpulist[i], &cpuinfo))
+ count += (cpuinfo.pi_state == P_ONLINE)?1:0;
+ }
+ } else {
+ count = sysconf(_SC_NPROCESSORS_ONLN);
+ }
+ free(cpulist);
+ return (count>0)?count:1;