384 
 385   // Set _should_block.
 386   // Call this from the VM, with Threads_lock held and a safepoint requested.
 387   static void set_should_block();
 388 
 389   // Call this from the compiler at convenient points, to poll for _should_block.
 390   static void maybe_block();
 391 
 392   enum {
 393     // Flags for toggling compiler activity
 394     stop_compilation = 0,
 395     run_compilation  = 1
 396   };
 397 
 398   static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); }
 399   static bool set_should_compile_new_jobs(jint new_state) {
 400     // Return success if the current caller set it
 401     jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state);
 402     return (old == (1-new_state));
 403   }
 404   static void handle_full_code_cache();
 405 
 406   // Return total compilation ticks
 407   static jlong total_compilation_ticks() {
 408     return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0;
 409   }
 410 
 411   // Redefine Classes support
 412   static void mark_on_stack();
 413 
 414   // Print a detailed accounting of compilation time
 415   static void print_times();
 416 
 417   // Debugging output for failure
 418   static void print_last_compile();
 419 
 420   static void print_compiler_threads_on(outputStream* st);
 421 
 422   // compiler name for debugging
 423   static const char* compiler_name(int comp_level);
 424 

 384 
 385   // Set _should_block.
 386   // Call this from the VM, with Threads_lock held and a safepoint requested.
 387   static void set_should_block();
 388 
 389   // Call this from the compiler at convenient points, to poll for _should_block.
 390   static void maybe_block();
 391 
 392   enum {
 393     // Flags for toggling compiler activity
 394     stop_compilation = 0,
 395     run_compilation  = 1
 396   };
 397 
 398   static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); }
 399   static bool set_should_compile_new_jobs(jint new_state) {
 400     // Return success if the current caller set it
 401     jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state);
 402     return (old == (1-new_state));
 403   }
 404   static void handle_full_code_cache(int code_blob_type);
 405 
 406   // Return total compilation ticks
 407   static jlong total_compilation_ticks() {
 408     return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0;
 409   }
 410 
 411   // Redefine Classes support
 412   static void mark_on_stack();
 413 
 414   // Print a detailed accounting of compilation time
 415   static void print_times();
 416 
 417   // Debugging output for failure
 418   static void print_last_compile();
 419 
 420   static void print_compiler_threads_on(outputStream* st);
 421 
 422   // compiler name for debugging
 423   static const char* compiler_name(int comp_level);
 424