static int sleepImmediately (void)
{
mach_port_t masterPort;
io_connect_t rootPort;
IOReturn err;
if (IOPMSleepEnabled()) {
if ((err = IOMasterPort(MACH_PORT_NULL, &masterPort))) {
fprintf (stderr, "%s: can't get mach master port: %ld\n", args.progname, (long) err);
return (1);
}
rootPort = IOPMFindPowerManagement(masterPort);
if (rootPort) {
err = IOPMSleepSystem(rootPort);
if (err) {
fprintf (stderr, "%s: IOPMSleepSystem failed: %ld\n", args.progname, (long) err);
return (1);
}
} else {
fprintf (stderr, "%s: IOPMFindPowerManagement failed\n", args.progname);
return (1);
}
} else {
fprintf (stderr, "%s: sleep mode is disabled\n", args.progname);
return (1);
}
return (0);
}
// Providing activateSettingsOverrides to PMAssertions.c
// So that it may set multiple assertions without triggering a prefs
// re-evaluate each time. PMAssertions.c can call overrideSetting() n times
// and only call activateSettingsOverrides once.
__private_extern__ void
activateSettingOverrides(void)
{
if (!energySettings)
return;
if (gLastOverrideState != g_overrides)
{
if ((kPMPreventIdleSleep == (gLastOverrideState ^ g_overrides))
&& (-1 != gSleepSetting)) do
{
static io_connect_t gIOPMConnection = MACH_PORT_NULL;
IOReturn kr;
if (!gIOPMConnection) gIOPMConnection = IOPMFindPowerManagement(0);
if (!gIOPMConnection) break;
kr = IOPMSetAggressiveness(gIOPMConnection, kPMMinutesToSleep,
(kPMPreventIdleSleep & g_overrides) ? 0 : gSleepSetting);
if (kIOReturnSuccess != kr)
{
gIOPMConnection = MACH_PORT_NULL;
break;
}
gLastOverrideState = g_overrides;
return;
}
while (false);
gLastOverrideState = g_overrides;
activate_profiles( energySettings,
currentPowerSource,
kIOPMRemoveUnsupportedSettings);
}
}
static OSStatus SleepSystem(
AuthorizationRef auth,
const void * userData,
CFDictionaryRef request,
CFMutableDictionaryRef response,
aslclient asl,
aslmsg aslMsg
)
{
io_connect_t fb = IOPMFindPowerManagement(MACH_PORT_NULL);
IOPMSleepSystem(fb);
return noErr;
}
