libcxx/test/support/set_windows_crt_report_mode.h

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9 #ifndef SUPPORT_SET_WINDOWS_CRT_REPORT_MODE_H
  10 #define SUPPORT_SET_WINDOWS_CRT_REPORT_MODE_H
  11
  12 #ifndef _DEBUG
  13 #error _DEBUG must be defined when using this header
  14 #endif
  15
  16 #ifndef _WIN32
  17 #error This header can only be used when targeting Windows
  18 #endif
  19
  20 #include <crtdbg.h>
  21
  22 // On Windows in debug builds the default assertion handler opens a new dialog
  23 // window which must be dismissed manually by the user. This function overrides
  24 // that setting and instead changes the assertion handler to log to stderr
  25 // instead.
  26 inline int init_crt_report_mode() {
  27   _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_DEBUG);
  28   _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG);
  29   _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
  30   return 0;
  31 }
  32
  33 static int init_crt_anchor = init_crt_report_mode();
  34
  35 #endif // SUPPORT_SET_WINDOWS_CRT_REPORT_MODE_H