Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/tools/profiler/core/ThreadInfo.h b/tools/profiler/core/ThreadInfo.h
new file mode 100644
index 0000000000..e698bad765
--- /dev/null
+++ b/tools/profiler/core/ThreadInfo.h
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef ThreadInfo_h
+#define ThreadInfo_h
+
+#include "mozilla/TimeStamp.h"
+#include "nsISupportsImpl.h"
+#include "nsString.h"
+
+// This class contains information about a thread which needs to be stored
+// across restarts of the profiler and which can be useful even after the
+// thread has stopped running.
+// It uses threadsafe refcounting and only contains immutable data.
+class ThreadInfo final {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ThreadInfo)
+
+  ThreadInfo(const char* aName, int aThreadId, bool aIsMainThread,
+             const mozilla::TimeStamp& aRegisterTime =
+                 mozilla::TimeStamp::NowUnfuzzed())
+      : mName(aName),
+        mRegisterTime(aRegisterTime),
+        mThreadId(aThreadId),
+        mIsMainThread(aIsMainThread) {
+    // I don't know if we can assert this. But we should warn.
+    MOZ_ASSERT(aThreadId >= 0, "native thread ID is < 0");
+    MOZ_ASSERT(aThreadId <= INT32_MAX, "native thread ID is > INT32_MAX");
+  }
+
+  const char* Name() const { return mName.get(); }
+  mozilla::TimeStamp RegisterTime() const { return mRegisterTime; }
+  int ThreadId() const { return mThreadId; }
+  bool IsMainThread() const { return mIsMainThread; }
+
+ private:
+  ~ThreadInfo() {}
+
+  const nsCString mName;
+  const mozilla::TimeStamp mRegisterTime;
+  const int mThreadId;
+  const bool mIsMainThread;
+};
+
+#endif  // ThreadInfo_h