diff options
Diffstat (limited to 'lib/Support/Windows/Threading.inc')
| -rw-r--r-- | lib/Support/Windows/Threading.inc | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/lib/Support/Windows/Threading.inc b/lib/Support/Windows/Threading.inc index 0bd92f66c6b8..96649472cc90 100644 --- a/lib/Support/Windows/Threading.inc +++ b/lib/Support/Windows/Threading.inc @@ -1,9 +1,8 @@ //===- Windows/Threading.inc - Win32 Threading Implementation - -*- C++ -*-===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -107,3 +106,19 @@ void llvm::get_thread_name(SmallVectorImpl<char> &Name) { // value. Name.clear(); } + +SetThreadPriorityResult llvm::set_thread_priority(ThreadPriority Priority) { + // https://docs.microsoft.com/en-us/windows/desktop/api/processthreadsapi/nf-processthreadsapi-setthreadpriority + // Begin background processing mode. The system lowers the resource scheduling + // priorities of the thread so that it can perform background work without + // significantly affecting activity in the foreground. + // End background processing mode. The system restores the resource scheduling + // priorities of the thread as they were before the thread entered background + // processing mode. + return SetThreadPriority(GetCurrentThread(), + Priority == ThreadPriority::Background + ? THREAD_MODE_BACKGROUND_BEGIN + : THREAD_MODE_BACKGROUND_END) + ? SetThreadPriorityResult::SUCCESS + : SetThreadPriorityResult::FAILURE; +} |