/**
* Disconnect (if we haven't already been forcefully disconnected), clean up
* after ourselves, and call all registered disconnect hooks.
*/
static void
teardown(void)
{
struct dbus_core_hook *hook;
if (bus_info.timer) {
TimerFree(bus_info.timer);
bus_info.timer = NULL;
}
/* We should really have pre-disconnect hooks and run them here, for
* completeness. But then it gets awkward, given that you can't
* guarantee that they'll be called ... */
if (bus_info.connection)
dbus_connection_unref(bus_info.connection);
RemoveBlockAndWakeupHandlers(block_handler, wakeup_handler, &bus_info);
if (bus_info.fd != -1)
RemoveGeneralSocket(bus_info.fd);
bus_info.fd = -1;
bus_info.connection = NULL;
for (hook = bus_info.hooks; hook; hook = hook->next) {
if (hook->disconnect)
hook->disconnect(hook->data);
}
}
void
xf86DisableGeneralHandler(pointer handler)
{
IHPtr ih;
if (!handler)
return;
ih = handler;
ih->enabled = FALSE;
if (ih->fd >= 0)
RemoveGeneralSocket(ih->fd);
}
int
xf86RemoveGeneralHandler(pointer handler)
{
IHPtr ih;
int fd;
if (!handler)
return -1;
ih = handler;
fd = ih->fd;
if (ih->fd >= 0)
RemoveGeneralSocket(ih->fd);
removeInputHandler(ih);
return fd;
}
void _sna_acpi_wakeup(struct sna *sna)
{
char *eol;
int n;
n = read(sna->acpi.fd,
sna->acpi.event + sna->acpi.offset,
sna->acpi.remain);
DBG(("%s: read %d bytes from acpid\n", __FUNCTION__, n));
if (n <= 0) {
/* We will get '0' if we run out of space whilst reading
* one event - that should never happen, so treat it as
* an error and give up.
*/
if (n < 0)
n = errno;
switch (n) {
case EAGAIN:
case EINTR:
return;
}
DBG(("%s: error [%d], detaching from acpid\n", __FUNCTION__, n));
/* XXX reattach later? */
RemoveGeneralSocket(sna->acpi.fd);
sna_acpi_fini(sna);
return;
}
sna->acpi.event[sna->acpi.offset + n] = '\0';
sna->acpi.offset += n;
sna->acpi.remain -= n;
DBG(("%s: event string [%d]: '%s'\n", __FUNCTION__, sna->acpi.offset, sna->acpi.event));
do {
eol = strchr(sna->acpi.event, '\n');
if (eol == NULL)
return;
if (strncmp(sna->acpi.event, "ac_adapter", 10) == 0) {
char *space = sna->acpi.event;
int state = -1;
/* ac_adapter ACAD 00000080 00000001 */
space = strchr(space, ' ');
if (space)
space = strchr(space + 1, ' ');
if (space)
space = strchr(space + 1, ' ');
if (space)
state = atoi(space + 1);
DBG(("%s: ac_adapter event new state=%d\n", __FUNCTION__, state));
if (state)
sna->flags &= ~SNA_POWERSAVE;
else
sna->flags |= SNA_POWERSAVE;
}
n = (sna->acpi.event + sna->acpi.offset) - ++eol;
memmove(sna->acpi.event, eol, n+1);
sna->acpi.offset = n;
sna->acpi.remain = sizeof(sna->acpi.event) - 1 - n;
} while (n);
}
