The Tor Browser: comparison security/sandbox/chromium/base/threading/platform

--1:000000000000
+:4efd9e5c81ad
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+// WARNING: You should *NOT* be using this class directly.  PlatformThread is
+// the low-level platform-specific abstraction to the OS's threading interface.
+// You should instead be using a message-loop driven Thread, see thread.h.
+#ifndef BASE_THREADING_PLATFORM_THREAD_H_
+#define BASE_THREADING_PLATFORM_THREAD_H_
+#include "base/base_export.h"
+#include "base/basictypes.h"
+#include "base/time/time.h"
+#include "build/build_config.h"
+#if defined(OS_WIN)
+#include <windows.h>
+#elif defined(OS_POSIX)
+#include <pthread.h>
+#include <unistd.h>
+#endif
+namespace base {
+#if defined(OS_WIN)
+typedef DWORD PlatformThreadId;
+#elif defined(OS_POSIX)
+typedef pid_t PlatformThreadId;
+#endif
+class PlatformThreadHandle {
+public:
+#if defined(OS_WIN)
+typedef void* Handle;
+#elif defined(OS_POSIX)
+typedef pthread_t Handle;
+#endif
+PlatformThreadHandle()
+: handle_(0),
+id_(0) {
+}
+explicit PlatformThreadHandle(Handle handle)
+: handle_(handle),
+id_(0) {
+}
+PlatformThreadHandle(Handle handle,
+PlatformThreadId id)
+: handle_(handle),
+id_(id) {
+}
+bool is_equal(const PlatformThreadHandle& other) {
+return handle_ == other.handle_;
+}
+bool is_null() {
+return !handle_;
+}
+Handle platform_handle() {
+return handle_;
+}
+private:
+friend class PlatformThread;
+Handle handle_;
+PlatformThreadId id_;
+};
+const PlatformThreadId kInvalidThreadId(0);
+// Valid values for SetThreadPriority()
+enum ThreadPriority{
+kThreadPriority_Normal,
+// Suitable for low-latency, glitch-resistant audio.
+kThreadPriority_RealtimeAudio,
+// Suitable for threads which generate data for the display (at ~60Hz).
+kThreadPriority_Display,
+// Suitable for threads that shouldn't disrupt high priority work.
+kThreadPriority_Background
+};
+// A namespace for low-level thread functions.
+class BASE_EXPORT PlatformThread {
+public:
+// Implement this interface to run code on a background thread.  Your
+// ThreadMain method will be called on the newly created thread.
+class BASE_EXPORT Delegate {
+public:
+virtual void ThreadMain() = 0;
+protected:
+virtual ~Delegate() {}
+};
+// Gets the current thread id, which may be useful for logging purposes.
+static PlatformThreadId CurrentId();
+// Get the current handle.
+static PlatformThreadHandle CurrentHandle();
+// Yield the current thread so another thread can be scheduled.
+static void YieldCurrentThread();
+// Sleeps for the specified duration.
+static void Sleep(base::TimeDelta duration);
+// Sets the thread name visible to debuggers/tools. This has no effect
+// otherwise. This name pointer is not copied internally. Thus, it must stay
+// valid until the thread ends.
+static void SetName(const char* name);
+// Gets the thread name, if previously set by SetName.
+static const char* GetName();
+// Creates a new thread.  The |stack_size| parameter can be 0 to indicate
+// that the default stack size should be used.  Upon success,
+// |*thread_handle| will be assigned a handle to the newly created thread,
+// and |delegate|'s ThreadMain method will be executed on the newly created
+// thread.
+// NOTE: When you are done with the thread handle, you must call Join to
+// release system resources associated with the thread.  You must ensure that
+// the Delegate object outlives the thread.
+static bool Create(size_t stack_size, Delegate* delegate,
+PlatformThreadHandle* thread_handle);
+// CreateWithPriority() does the same thing as Create() except the priority of
+// the thread is set based on |priority|.  Can be used in place of Create()
+// followed by SetThreadPriority().  SetThreadPriority() has not been
+// implemented on the Linux platform yet, this is the only way to get a high
+// priority thread on Linux.
+static bool CreateWithPriority(size_t stack_size, Delegate* delegate,
+PlatformThreadHandle* thread_handle,
+ThreadPriority priority);
+// CreateNonJoinable() does the same thing as Create() except the thread
+// cannot be Join()'d.  Therefore, it also does not output a
+// PlatformThreadHandle.
+static bool CreateNonJoinable(size_t stack_size, Delegate* delegate);
+// Joins with a thread created via the Create function.  This function blocks
+// the caller until the designated thread exits.  This will invalidate
+// |thread_handle|.
+static void Join(PlatformThreadHandle thread_handle);
+static void SetThreadPriority(PlatformThreadHandle handle,
+ThreadPriority priority);
+private:
+DISALLOW_IMPLICIT_CONSTRUCTORS(PlatformThread);
+};
+}  // namespace base
+#endif  // BASE_THREADING_PLATFORM_THREAD_H_

The Tor Browser / file comparison

comparison: security/sandbox/chromium/base/threading/platform_thread.h

security/sandbox/chromium/base/threading/platform_thread.h