int XXp1(char *arg)
{
int i, result;
char buffer[20];
int msgNum = 0;
USLOSS_Console("\nXXp1(): started\n");
for (i = 0; i < 8; i++) {
USLOSS_Console("\nXXp1(): conditionally sending message #%d ", msgNum);
USLOSS_Console("to mailbox %d\n", mbox_id);
sprintf(buffer, "hello there, #%d", msgNum);
result = MboxCondSend(mbox_id, buffer, strlen(buffer)+1);
USLOSS_Console("XXp1(): after conditional send of message ");
USLOSS_Console("#%d, result = %d\n", msgNum, result);
msgNum++;
}
MboxReceive(pause_mbox, NULL, 0); // should block on mail box
for (i = 0; i < 8; i++) {
USLOSS_Console("\nXXp1(): conditionally sending message #%d ", msgNum);
USLOSS_Console("to mailbox %d\n", mbox_id);
sprintf(buffer, "good-bye, #%d", i);
result = MboxCondSend(mbox_id, buffer, strlen(buffer)+1);
USLOSS_Console("XXp1(): after conditional send of message ");
USLOSS_Console("#%d, result = %d\n", msgNum, result);
msgNum++;
}
quit(-3);
return 0; /* so gcc will not complain about its absence... */
} /* XXp1 */
static void terminalHandler(int dev, void *arg) {
long unit = (long) arg;
if (debugflag2 && DEBUG2) {
USLOSS_Console("terminalHandler(): dev = %d\n", dev);
USLOSS_Console("terminalHandler(): unit = %d\n", unit);
}
int termResult;
// check for valid values
if (dev != USLOSS_TERM_DEV || unit < 0 || unit > USLOSS_TERM_UNITS) {
USLOSS_Console("termHandler(): Bad values\n");
USLOSS_Halt(1);
}
// make sure our box still exists
if (termBoxes[unit].mboxID == -1) {
USLOSS_Console("Term mailbox does not exist, unit\n");
USLOSS_Halt(1); // might need to reutn instead
}
int result = USLOSS_DeviceInput(USLOSS_TERM_DEV, unit, &termResult);
// if (debugflag2 && DEBUG2) {
// USLOSS_Console("terminalHandler(): sending now from dev %d to mbox %d value %s\n", dev, termBoxes[unit].mboxID, termResult);
// }
MboxCondSend(termBoxes[unit].mboxID, &termResult, sizeof(termResult));
if (result != USLOSS_DEV_OK) {
USLOSS_Console("termHandler(): USLOSS_DeviceInput is not ok.\n");
USLOSS_Halt(1);
}
}
static void clockHandler2(int dev, void *arg) {
long unit = (long) arg;
int clockResult;
// check if dispatcher should be called
if (readCurStartTime() >= 80000) {
timeSlice();
}
// inc that a clock interrupt happened
clockTicks++;
USLOSS_DeviceInput(dev, unit, &clockResult);
// every fith interrupt do a conditional send to its mailbox
if (clockTicks % 5 == 0) {
if (debugflag2 && DEBUG2) {
USLOSS_Console("clockHandler2: sending message %s to mbox %d\n", clockResult, clockBox.mboxID);
}
int sendResult = MboxCondSend(clockBox.mboxID, &clockResult, sizeof(clockResult));
if (debugflag2 && DEBUG2) {
USLOSS_Console("clockHandler2: send returned %d\n", sendResult);
USLOSS_Halt(1);
}
}
}
void termHandler(int dev, void* unit)
{
if (DEBUG2 && debugflag2)
USLOSS_Console("termHandler(): called\n");
int status =0;
USLOSS_DeviceInput(dev, (int) unit, &status);
MboxCondSend(1 + (int) unit, &status, 0);
} /* termHandler */
void clockHandler2(int dev, void* unit)
{
if (DEBUG2 && debugflag2)
USLOSS_Console("clockHandler2(): called\n");
static int i = 1;
if (i++ > 4){
i = 0;
MboxCondSend(0, 0, 0);
}
timeSlice();
} /* clockHandler */
int start2(char *arg)
{
int kid_status, kidpid, pausepid;
int result;
char buffer[]="hello";
USLOSS_Console("start2(): started\n");
mbox_id = MboxCreate(0, 50);
USLOSS_Console("\nstart2(): MboxCreate returned id = %d\n", mbox_id);
kidpid = fork1("XXp2a", XXp2, "XXp2a", 2 * USLOSS_MIN_STACK, 3);
kidpid = fork1("XXp2b", XXp2, "XXp2b", 2 * USLOSS_MIN_STACK, 3);
kidpid = fork1("XXp2c", XXp2, "XXp2c", 2 * USLOSS_MIN_STACK, 3);
pausepid = fork1("XXp4", XXp4, "XXp4", 2 * USLOSS_MIN_STACK, 3);
kidpid = join(&kid_status);
if (kidpid != pausepid)
USLOSS_Console("\n***Test Failed*** -- join with pausepid failed!\n\n");
kidpid = fork1("XXp3", XXp3, NULL, 2 * USLOSS_MIN_STACK, 2);
kidpid = join(&kid_status);
USLOSS_Console("\nstart2(): joined with kid %d, status = %d\n",
kidpid, kid_status);
kidpid = join(&kid_status);
USLOSS_Console("\nstart2(): joined with kid %d, status = %d\n",
kidpid, kid_status);
kidpid = join(&kid_status);
USLOSS_Console("\nstart2(): joined with kid %d, status = %d\n",
kidpid, kid_status);
kidpid = join(&kid_status);
USLOSS_Console("\nstart2(): joined with kid %d, status = %d\n",
kidpid, kid_status);
result = MboxCondSend(mbox_id, buffer, strlen(buffer)+1);
if(result == -1)
USLOSS_Console("failed to send to released mailbox ... success\n");
else
USLOSS_Console("test failed result = %d\n",result);
quit(0);
return 0; /* so gcc will not complain about its absence... */
} /* start2 */
static void diskHandler(int dev, void *arg) {
long unit = (long) arg;
int diskResult;
// check for valid values
if (dev != USLOSS_DISK_DEV || unit < 0 || unit > USLOSS_DISK_UNITS) {
USLOSS_Console("diskHandler(): Bad values\n");
USLOSS_Halt(1);
}
// make sure our box still exists
if (diskBoxes[unit].mboxID == -1) {
USLOSS_Console("Disk mailbox does not exist, unit = %d\n", unit);
USLOSS_Halt(1); // might need to reutn instead
}
USLOSS_DeviceInput(USLOSS_DISK_DEV, unit, &diskResult);
MboxCondSend(diskBoxes[unit].mboxID, &diskResult, sizeof(diskResult));
}
