tequilaOS/platform_system_core
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

llkd: do not crash kernel if llkd stops running

Browse source 
Today, assume llkd is not hardened enough to 100% guarantee that
lack of progress in inspection loops is a direct result of a
livelock condition affecting llkd itself.  Log a fatal alarm to
make init restart llkd instead for the time being.

ToDo: develop trust in llkd regarding sigalarm causes.

Test: compile
Bug: 119781757
Change-Id: I668dc1773898da6c95aad7221724b16f1684b067
This commit is contained in:
Mark Salyzyn 2018-11-19 15:24:03 -08:00
parent eb1213f170
commit b3418a2255
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
llkd/libllkd.cpp
View file

@ -555,7 +555,9 @@ void llkPanicKernel(bool dump, pid_t tid, const char* state, const std::string&
}
void llkAlarmHandler(int) {
llkPanicKernel(false, ::getpid(), "alarm");
LOG(FATAL) << "alarm";
// NOTREACHED
llkPanicKernel(true, ::getpid(), "alarm");
}
milliseconds GetUintProperty(const std::string& key, milliseconds def) {