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Rework kdrive input fd handling, enable multiple simultaneous mice

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This commit is contained in:
Keith Packard 2001-06-29 14:00:41 +00:00
commit 67cd53abfc
6 changed files with 185 additions and 148 deletions
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21
hw/kdrive/linux/bus.c
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@ -33,7 +33,7 @@
/* /dev/adbmouse is a busmouse */
void
BusRead (int adbPort)
BusRead (int adbPort, void *closure)
{
unsigned char buf[3];
unsigned char *b;
@ -64,29 +64,36 @@ char *BusNames[] = {
#define NUM_BUS_NAMES (sizeof (BusNames) / sizeof (BusNames[0]))
int BusInputType;
int
BusInit (void)
{
int i;
int busPort;
int n = 0;
if (!BusInputType)
BusInputType = KdAllocInputType ();
for (i = 0; i < NUM_BUS_NAMES; i++)
{
busPort = open (BusNames[i], 0);
if (busPort >= 0)
return busPort;
{
KdRegisterFd (BusInputType, busPort, BusRead, 0);
n++;
}
}
return n;
}
void
BusFini (int busPort)
BusFini (void)
{
if (busPort >= 0)
close (busPort);
KdUnregisterFds (BusInputType, TRUE);
}
KdMouseFuncs BusMouseFuncs = {
BusInit,
BusRead,
BusFini
};