Error monitoring schemes using aliveness record of thread

A system of monitoring a health status of a thread, comprising:

• a pre-callback register configured to register a pre-callback before an execution of a callback, wherein the pre-callback is configured to write a begin record in an aliveness record of the thread;
• a post-callback register configured to register a post-callback after the execution of the callback, wherein the post-callback is configured to write an end record for the thread;
• a memory storing an aliveness information for the thread that includes a begin timestamp and an end timestamp corresponding to the begin record and the end record, respectively;
• and
• an aliveness record checker configured to read the aliveness record from the memory and detect an unhealthy status of the thread based on the aliveness record;
• wherein the system is further configured to receive a test input for the thread, and the callback is configured to perform a fault injection in response to the receiving of the test input.

A non-transitory computer-readable storage medium having code stored thereon, the code, upon execution by one or more processors, causing the one or more processors to implement a method comprising:

• invoking a callback for a thread to write a begin record and an end record in an aliveness record that corresponds to the thread, the aliveness record being stored in a memory;
• detecting an unhealthy status of the thread by reading the aliveness record from the memory;
• and
• reporting the unhealthy status of the thread in response to the detecting;
• wherein the method further comprises:
• receiving a test input for the thread,
• wherein the callback is configured to perform a fault injection in response to the receiving of the test input.