Module: FiberAudit::Runtime::ExecutionContext

Defined in:
lib/fiber_audit/runtime/execution_context.rb

Overview

Fiber-local execution context stack. Uses fiber instance variables for isolation without Thread#[] visibility. PID-aware to handle fork correctly.

Constant Summary collapse

MAX_DEPTH = 
32
IVAR_KEY = 
:@__fiber_audit_execution_context__
IVAR_PID_KEY = 
:@__fiber_audit_execution_context_pid__

Class Method Summary collapse

Class Method Details

.after_fork! ⇒ Object 



42
43
44
 
# File 'lib/fiber_audit/runtime/execution_context.rb', line 42

def after_fork!
  reset!
end

.current ⇒ Object 



16
17
18
19
20
21
 
# File 'lib/fiber_audit/runtime/execution_context.rb', line 16

def current
  state = current_state
  return Context::UNKNOWN unless state

  state[:stack].last || Context::UNKNOWN
end

.reset! ⇒ Object 



36
37
38
39
40
 
# File 'lib/fiber_audit/runtime/execution_context.rb', line 36

def reset!
  fiber = Fiber.current
  fiber.remove_instance_variable(IVAR_KEY) if fiber.instance_variable_defined?(IVAR_KEY)
  fiber.remove_instance_variable(IVAR_PID_KEY) if fiber.instance_variable_defined?(IVAR_PID_KEY)
end

.with(context) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/fiber_audit/runtime/execution_context.rb', line 23

def with(context)
  normalized = validate_context(context)
  state = ensure_state
  return yield if state[:stack].size >= MAX_DEPTH

  state[:stack].push(normalized)
  begin
    yield
  ensure
    state[:stack].pop
  end
end