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Merge "init: Do full shutdown even for thermal shutdown"

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Treehugger Robot 2017-07-20 03:21:41 +00:00 committed by Gerrit Code Review
commit d5b36f38ef
1 changed files with 19 additions and 20 deletions
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39
init/reboot.cpp
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@ -340,13 +340,6 @@ static UmountStat TryUmountAndFsck(bool runFsck, std::chrono::milliseconds timeo
return stat;
}
static void __attribute__((noreturn)) DoThermalOff() {
LOG(WARNING) << "Thermal system shutdown";
sync();
RebootSystem(ANDROID_RB_THERMOFF, "");
abort();
}
void DoReboot(unsigned int cmd, const std::string& reason, const std::string& rebootTarget,
bool runFsck) {
Timer t;
@ -355,19 +348,25 @@ void DoReboot(unsigned int cmd, const std::string& reason, const std::string& re
android::base::WriteStringToFile(StringPrintf("%s\n", reason.c_str()), LAST_REBOOT_REASON_FILE,
S_IRUSR | S_IWUSR, AID_SYSTEM, AID_SYSTEM);
if (cmd == ANDROID_RB_THERMOFF) { // do not wait if it is thermal
DoThermalOff();
abort();
bool is_thermal_shutdown = false;
if (cmd == ANDROID_RB_THERMOFF) {
is_thermal_shutdown = true;
runFsck = false;
}
auto shutdown_timeout = 0s;
auto shutdown_timeout = 0ms;
if (!SHUTDOWN_ZERO_TIMEOUT) {
constexpr unsigned int shutdown_timeout_default = 6;
auto shutdown_timeout_property =
android::base::GetUintProperty("ro.build.shutdown_timeout", shutdown_timeout_default);
shutdown_timeout = std::chrono::seconds(shutdown_timeout_property);
if (is_thermal_shutdown) {
constexpr unsigned int thermal_shutdown_timeout = 1;
shutdown_timeout = std::chrono::seconds(thermal_shutdown_timeout);
} else {
constexpr unsigned int shutdown_timeout_default = 6;
auto shutdown_timeout_property = android::base::GetUintProperty(
"ro.build.shutdown_timeout", shutdown_timeout_default);
shutdown_timeout = std::chrono::seconds(shutdown_timeout_property);
}
}
LOG(INFO) << "Shutdown timeout: " << shutdown_timeout.count() << " seconds";
LOG(INFO) << "Shutdown timeout: " << shutdown_timeout.count() << " ms";
// keep debugging tools until non critical ones are all gone.
const std::set<std::string> kill_after_apps{"tombstoned", "logd", "adbd"};
@ -394,7 +393,7 @@ void DoReboot(unsigned int cmd, const std::string& reason, const std::string& re
// optional shutdown step
// 1. terminate all services except shutdown critical ones. wait for delay to finish
if (shutdown_timeout > 0s) {
if (shutdown_timeout > 0ms) {
LOG(INFO) << "terminating init services";
// Ask all services to terminate except shutdown critical ones.
@ -403,8 +402,8 @@ void DoReboot(unsigned int cmd, const std::string& reason, const std::string& re
});
int service_count = 0;
// Up to half as long as shutdown_timeout or 3 seconds, whichever is lower.
auto termination_wait_timeout = std::min((shutdown_timeout + 1s) / 2, 3s);
// Only wait up to half of timeout here
auto termination_wait_timeout = shutdown_timeout / 2;
while (t.duration() < termination_wait_timeout) {
ServiceManager::GetInstance().ReapAnyOutstandingChildren();
@ -456,7 +455,7 @@ void DoReboot(unsigned int cmd, const std::string& reason, const std::string& re
UmountStat stat = TryUmountAndFsck(runFsck, shutdown_timeout - t.duration());
// Follow what linux shutdown is doing: one more sync with little bit delay
sync();
std::this_thread::sleep_for(100ms);
if (!is_thermal_shutdown) std::this_thread::sleep_for(100ms);
LogShutdownTime(stat, &t);
// Reboot regardless of umount status. If umount fails, fsck after reboot will fix it.
RebootSystem(cmd, rebootTarget);