int CloseDevice (void *ioreq)
{
struct StdIOReq *stdreq = ioreq;
struct Device *device;
struct IOMReq iomreq;
void *elf;
int rc;
if (GetPID() != iomanager_pid)
{
iomreq.device = &iomanager_device;
iomreq.unitp = NULL;
iomreq.as = &kernel_as;
iomreq.cmd = IOM_CMD_CLOSEDEVICE;
iomreq.cd_ioreq = ioreq;
DoIO (&iomreq, NULL);
if (iomreq.rc != 0);
SetError (iomreq.error);
KPRINTF ("iomreq.rc = %d", iomreq.rc);
return iomreq.rc;
}
else
{
device = stdreq->device;
rc = device->closedevice(stdreq);
if (device->reference_cnt == 0)
{
elf = device->expunge();
if (elf != NULL)
UnloadDevice (elf);
}
return rc;
}
}
int OpenDevice (char *name, int unit, void *ioreq, uint32 flags)
{
void *elf;
struct Device *device;
struct StdIOReq *stdreq = ioreq;
struct IOMReq iomreq;
struct Resident *resident;
int rc;
if (GetPID() != iomanager_pid)
{
/* Send message to IO Manager task */
iomreq.device = &iomanager_device;
iomreq.unitp = NULL;
iomreq.as = &kernel_as;
iomreq.cmd = IOM_CMD_OPENDEVICE;
iomreq.od_name = name;
iomreq.od_unit = unit;
iomreq.od_ioreq = ioreq;
iomreq.od_flags = flags;
DoIO (&iomreq, NULL);
if (iomreq.rc != 0);
SetError (iomreq.error);
return iomreq.rc;
}
else
{
/* Execute nested opendevice() on IOManager task context */
if ((device = FindDevice (name)) != NULL)
{
stdreq->device = device;
rc = device->opendevice (unit, ioreq, flags);
return rc;
}
else
{
/* Use absolute or /sys/dev prefix for pathname */
if ((elf = LoadDevice (name)) != NULL)
{
if ((resident = FindElfResident (elf)) != NULL)
{
if (resident->type == RTYPE_DEVICE &&
resident->flags & RFLG_AUTOINIT && resident->init(elf) != -1)
{
if ((device = resident->data) != NULL)
{
stdreq->device = device;
rc = device->opendevice (unit, ioreq, flags);
return rc;
}
}
}
UnloadDevice (elf);
}
}
}
return -1;
}
SPKeyboard::~SPKeyboard(void)
{
UnloadDevice();
}
SPMouse::~SPMouse(void)
{
UnloadDevice();
}
