turn on cputime_limit

lib/mini_racer.rb

@@ -143,16 +143,18 @@ def initialize(name, callback, parent)
       end
     end
 
-    def initialize(max_memory: nil, timeout: nil, isolate: nil, ensure_gc_after_idle: nil, snapshot: nil, marshal_stack_depth: nil)
+    def initialize(max_memory: nil, timeout: nil, cputime_limit: nil, isolate: nil, ensure_gc_after_idle: nil, snapshot: nil, marshal_stack_depth: nil)
       options ||= {}
 
-      check_init_options!(isolate: isolate, snapshot: snapshot, max_memory: max_memory, marshal_stack_depth: marshal_stack_depth, ensure_gc_after_idle: ensure_gc_after_idle, timeout: timeout)
+      check_init_options!(isolate: isolate, snapshot: snapshot, max_memory: max_memory, marshal_stack_depth: marshal_stack_depth, ensure_gc_after_idle: ensure_gc_after_idle, timeout: timeout, cputime_limit: cputime_limit)
 
       @functions = {}
       @timeout = nil
+      @cputime_limit = nil
       @max_memory = nil
       @current_exception = nil
       @timeout = timeout
+      @cputime_limit = cputime_limit
       @max_memory = max_memory
       @marshal_stack_depth = marshal_stack_depth
 
@@ -340,7 +342,7 @@ def stop_attached
     end
 
     def timeout(&blk)
-      return blk.call unless @timeout
+      return blk.call unless @timeout # !!TODO THIS PR need to figure out what this if statement is when adding in cputime_limit
 
       mutex = Mutex.new
       done = false
@@ -388,14 +390,15 @@ def timeout(&blk)
       rp.close if rp
     end
 
-    def check_init_options!(isolate:, snapshot:, max_memory:, marshal_stack_depth:, ensure_gc_after_idle:, timeout:)
+    def check_init_options!(isolate:, snapshot:, max_memory:, marshal_stack_depth:, ensure_gc_after_idle:, timeout:, cputime_limit:)
       assert_option_is_nil_or_a('isolate', isolate, Isolate)
       assert_option_is_nil_or_a('snapshot', snapshot, Snapshot)
 
       assert_numeric_or_nil('max_memory', max_memory, min_value: 10_000, max_value: 2**32-1)
       assert_numeric_or_nil('marshal_stack_depth', marshal_stack_depth, min_value: 1, max_value: MARSHAL_STACKDEPTH_MAX_VALUE)
       assert_numeric_or_nil('ensure_gc_after_idle', ensure_gc_after_idle, min_value: 1)
       assert_numeric_or_nil('timeout', timeout, min_value: 1)
+      assert_numeric_or_nil('cputime_limit', cputime_limit, min_value: 1)
 
       if isolate && snapshot
         raise ArgumentError, 'can only pass one of isolate and snapshot options'