00001 #include <stdio.h>
00002 #include <stdlib.h>
00003 #include <sys/types.h>
00004 #include <sys/stat.h>
00005 #include <fcntl.h>
00006 #include <unistd.h>
00007 #include <time.h>
00008
00009 static int _random() {
00010 static int init = false;
00011 if (!init) {
00012 unsigned int seed;
00013 init = true;
00014 int fd = ::open("/dev/urandom", O_RDONLY);
00015 if( fd<=0 || ::read(fd, &seed, sizeof(seed)) != sizeof(seed) ) {
00016 srand(getpid());
00017 seed = rand()+time(0);
00018 }
00019 if(fd>=0) close( fd );
00020 srand(seed);
00021 }
00022 return rand();
00023 }
