kernel: Introduce THREAD_BLOCK_TYPE_OTHER_OBJECT.

THREAD_BLOCK_TYPE_OTHER implies the "object" pointer in the
wait information is a string. But sometimes we want to pass
through objects which are not strings, for inspection in KDL.

headers/private/system/thread_defs.h

@@ -30,6 +30,7 @@ enum {
 	THREAD_BLOCK_TYPE_RW_LOCK				= 5,
 	THREAD_BLOCK_TYPE_USER					= 6,
 
+	THREAD_BLOCK_TYPE_OTHER_OBJECT			= 9998,
 	THREAD_BLOCK_TYPE_OTHER					= 9999,
 };
 

src/apps/debuganalyzer/gui/main_window/SchedulingPage.cpp

@@ -1492,6 +1492,7 @@ printf("failed to read event!\n");
 					case THREAD_BLOCK_TYPE_MUTEX:
 					case THREAD_BLOCK_TYPE_RW_LOCK:
 					case THREAD_BLOCK_TYPE_OTHER:
+					case THREAD_BLOCK_TYPE_OTHER_OBJECT:
 					default:
 						break;
 				}

src/apps/debuganalyzer/model/Model.cpp

@@ -49,6 +49,7 @@ wait_object_type_name(uint32 type)
 		case THREAD_BLOCK_TYPE_USER:
 			return "user";
 		case THREAD_BLOCK_TYPE_OTHER:
+		case THREAD_BLOCK_TYPE_OTHER_OBJECT:
 			return "other";
 		case THREAD_BLOCK_TYPE_SNOOZE:
 			return "snooze";

src/apps/debuganalyzer/model_loader/ModelLoader.cpp

@@ -1004,6 +1004,7 @@ ModelLoader::_HandleThreadScheduled(uint32 cpu,
 				case THREAD_BLOCK_TYPE_MUTEX:
 				case THREAD_BLOCK_TYPE_RW_LOCK:
 				case THREAD_BLOCK_TYPE_OTHER:
+				case THREAD_BLOCK_TYPE_OTHER_OBJECT:
 				default:
 					break;
 			}

src/bin/debug/time_stats/scheduling_analysis.cpp

@@ -115,6 +115,9 @@ wait_object_to_string(scheduling_analysis_wait_object* waitObject, char* buffer,
 		case THREAD_BLOCK_TYPE_OTHER:
 			sprintf(buffer, "other %p (%s)", object, waitObject->name);
 			break;
+		case THREAD_BLOCK_TYPE_OTHER_OBJECT:
+			sprintf(buffer, "other object %p", object);
+			break;
 		default:
 			sprintf(buffer, "unknown %p", object);
 			break;

src/system/kernel/debug/system_profiler.cpp

@@ -1276,6 +1276,7 @@ SystemProfiler::_WaitObjectUsed(addr_t object, uint32 type)
 			break;
 		}
 
+		case THREAD_BLOCK_TYPE_OTHER_OBJECT:
 		case THREAD_BLOCK_TYPE_SNOOZE:
 		case THREAD_BLOCK_TYPE_SIGNAL:
 		default:

src/system/kernel/scheduler/scheduler_tracing.cpp

@@ -87,6 +87,9 @@ ScheduleThread::AddDump(TraceOutput& out)
 					// We could print the string, but it might come from a
 					// kernel module that has already been unloaded.
 				break;
+			case THREAD_BLOCK_TYPE_OTHER_OBJECT:
+				out.Print("other object (%p)", fPreviousWaitObject);
+				break;
 			default:
 				out.Print("unknown (%p)", fPreviousWaitObject);
 				break;

src/system/kernel/scheduler/scheduling_analysis.cpp

@@ -533,6 +533,7 @@ private:
 				strlcpy(waitObject->name, name, sizeof(waitObject->name));
 			}
 
+			case THREAD_BLOCK_TYPE_OTHER_OBJECT:
 			case THREAD_BLOCK_TYPE_SNOOZE:
 			case THREAD_BLOCK_TYPE_SIGNAL:
 			default:

src/system/kernel/thread.cpp

@@ -1728,6 +1728,10 @@ _dump_thread_info(Thread *thread, bool shortInfo)
 					kprintf("other%*s", B_PRINTF_POINTER_WIDTH + 10, "");
 					break;
 
+				case THREAD_BLOCK_TYPE_OTHER_OBJECT:
+					kprintf("other     %p   ", thread->wait.object);
+					break;
+
 				default:
 					kprintf("???       %p   ", thread->wait.object);
 					break;
@@ -1815,6 +1819,10 @@ _dump_thread_info(Thread *thread, bool shortInfo)
 				kprintf("other (%s)\n", (char*)thread->wait.object);
 				break;
 
+			case THREAD_BLOCK_TYPE_OTHER_OBJECT:
+				kprintf("other (%p)\n", thread->wait.object);
+				break;
+
 			default:
 				kprintf("unknown (%p)\n", thread->wait.object);
 				break;