void ioplthread2(void *dummy)
{
int val;
while (1) {
if (io_init1() != 0) {
fprintf(stderr,"thread 3: cannot raise IOPL\n");
exit(1);
}
fprintf(stderr,"thread 2: raising iopl=3 PSW=%04X\n",psw());
sleep(1);
val = c_inb1(0x3cc); /* do some I/O, causing core if */
/* thread has no right*/
fprintf(stderr,"thread 2: read port 0x3cc=%02X, PSW=%04X\n",
val, psw());
sleep(1);
if (io_exit1() != 0) {
fprintf(stderr,"thread 3: cannot reset IOPL\n");
exit(1);
}
fprintf(stderr,"thread 2: resetting iopl=2 PSW=%04X\n",psw());
sleep(1);
}
}
int main(int argc,char*argv[])
{
int rc;
int i;
int base, port;
unsigned int regs[19];
/* initialize the I/O once */
printf("diagnostic before IOINIT: PSW=%04X\n", psw());
rc = io_init1();
printf("diagnostic after IOINIT: PSW=%04X\n", psw());
if (rc != 0) {
fprintf(stderr,"Error %d calling io_init\n",rc);
exit(1);
}
/* warn the user */
fprintf(stderr, "This example will read out the VGA CRT registers\n");
fprintf(stderr, "If you don't have a VGA or SVGA compatible adapter\n");
fprintf(stderr, "or are not sure, press CTRL-C now. Otherwise\n");
fprintf(stderr, "proceed with RETURN\n");
getchar();
printf("diagnostic: PSW=%04X\n", psw());
/* This checks whether the VGA card is in mono or color mode */
base = c_inb1(0x3cc) & 1;
printf("\n\nThe VGA card is in %s mode\n", base ? "COLOR" : "MONO");
/* depending on the mode, the registers are a address 0x3d4 or 0x3b4 */
port = base ? 0x3d4 : 0x3b4;
/* read the CRT registers */
for (i=0; i<0x19; i++) {
c_outb1(port, i); /* address the index register */
regs[i] = c_inb1(port+1) & 0xff; /* read the data register */
}
/* print the result */
for (i=0; i<0x19; i++)
printf("CRT Register %2d = 0x%02X\n",i,regs[i]);
exit(0);
}
void thread1(void* dummy)
{
int i;
for (i=0; i<10; i++) {
fprintf(stderr,"thread 1(%d): PSW=%04X\n",i,psw());
sleep(1);
}
fprintf(stderr,"thread 1(%d): Next activation of thread1 will intentionally cause\n",i);
fprintf(stderr,"thread 1(%d): a core dump:\n",i); fflush(stderr);
sleep(1); /* schedule others again */
fprintf(stderr,"thread 1(%d): PSW=%04X read port=%02X\n",
i,psw(),c_inb1(0x3cc));
exit(1);
}
int main(int argc,char*argv[])
{
int rc;
int i;
/* warn the user */
fprintf(stderr, "This example will read out VGA registers for demonstration\n");
fprintf(stderr, "of I/O threads.\n");
fprintf(stderr, "If you don't have a VGA or SVGA compatible adapter\n");
fprintf(stderr, "or are not sure, press CTRL-C now. Otherwise\n");
fprintf(stderr, "proceed with RETURN\n");
getchar();
fprintf(stderr, "The example will create three threads, the second of\n");
fprintf(stderr, "which gains I/O privilege via the fastio$ driver\n");
fprintf(stderr, "The others just check whether they have IOPL right\n");
fprintf(stderr, "and suspend. Eventually, thread 1 will try I/O\n");
fprintf(stderr, "without having I/O privilege and crash the program\n");
fprintf(stderr, "This is correct. RETURN to proceed\n");
getchar();
_beginthread(thread1, NULL, 16384, NULL);
_beginthread(ioplthread2, NULL, 16384, NULL);
while (1) {
fprintf(stderr,"thread 3: PSW=%04X\n",psw());
sleep(1);
}
return 0;
}
// ----------------------------------------------------------------------
void
SimulationTaskLocalizationEvaluation::
print_ps( const SimulationController& sc, const HeaderInfo& header )
const throw()
{
std::string fname = sc.environment().optional_string_param( "loc_ps_out", "" );
if ( fname == "" ) return;
std::ofstream psout( fname.c_str() );
LocalizationPsWriter psw( psout, false );
std::string info =
"Dist: " + header.dist_algo
+ "; Pos: " + header.pos_algo
+ "; Ref: " + header.ref_algo;
psw.paint_color( sc.world(), info, true );
}
