Reid Spencer | 0b22ba4 | 2004-09-15 05:48:11 +0000 | [diff] [blame] | 1 | //===- Win32/Win32.h - Common Win32 Include File ----------------*- C++ -*-===// |
Misha Brukman | f976c85 | 2005-04-21 22:55:34 +0000 | [diff] [blame] | 2 | // |
Reid Spencer | 0b22ba4 | 2004-09-15 05:48:11 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 4ee451d | 2007-12-29 20:36:04 +0000 | [diff] [blame^] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Misha Brukman | f976c85 | 2005-04-21 22:55:34 +0000 | [diff] [blame] | 7 | // |
Reid Spencer | 0b22ba4 | 2004-09-15 05:48:11 +0000 | [diff] [blame] | 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
Jeff Cohen | 6d23522 | 2005-07-13 02:15:18 +0000 | [diff] [blame] | 10 | // This file defines things specific to Win32 implementations. |
Reid Spencer | 0b22ba4 | 2004-09-15 05:48:11 +0000 | [diff] [blame] | 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | //===----------------------------------------------------------------------===// |
Jeff Cohen | 6d23522 | 2005-07-13 02:15:18 +0000 | [diff] [blame] | 15 | //=== WARNING: Implementation here must contain only generic Win32 code that |
| 16 | //=== is guaranteed to work on *all* Win32 variants. |
Reid Spencer | 0b22ba4 | 2004-09-15 05:48:11 +0000 | [diff] [blame] | 17 | //===----------------------------------------------------------------------===// |
| 18 | |
Jeff Cohen | 6d23522 | 2005-07-13 02:15:18 +0000 | [diff] [blame] | 19 | // Require at least Windows 2000 API. |
| 20 | #define _WIN32_WINNT 0x0500 |
| 21 | |
Reid Spencer | 0b22ba4 | 2004-09-15 05:48:11 +0000 | [diff] [blame] | 22 | #include "llvm/Config/config.h" // Get autoconf configuration settings |
| 23 | #include "windows.h" |
| 24 | #include <cassert> |
| 25 | #include <string> |
| 26 | |
Reid Spencer | 5a06077 | 2006-08-23 07:30:48 +0000 | [diff] [blame] | 27 | inline bool MakeErrMsg(std::string* ErrMsg, const std::string& prefix) { |
Reid Spencer | 4ce5dc6 | 2006-08-21 06:02:44 +0000 | [diff] [blame] | 28 | if (!ErrMsg) |
Reid Spencer | 5a06077 | 2006-08-23 07:30:48 +0000 | [diff] [blame] | 29 | return true; |
Reid Spencer | 4ce5dc6 | 2006-08-21 06:02:44 +0000 | [diff] [blame] | 30 | char *buffer = NULL; |
| 31 | FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, |
| 32 | NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL); |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 33 | *ErrMsg = prefix + buffer; |
Reid Spencer | 4ce5dc6 | 2006-08-21 06:02:44 +0000 | [diff] [blame] | 34 | LocalFree(buffer); |
Reid Spencer | 5a06077 | 2006-08-23 07:30:48 +0000 | [diff] [blame] | 35 | return true; |
Reid Spencer | 4ce5dc6 | 2006-08-21 06:02:44 +0000 | [diff] [blame] | 36 | } |
Jeff Cohen | 0a18267 | 2007-03-05 05:22:08 +0000 | [diff] [blame] | 37 | |
| 38 | class AutoHandle { |
| 39 | HANDLE handle; |
| 40 | |
| 41 | public: |
| 42 | AutoHandle(HANDLE h) : handle(h) {} |
| 43 | |
| 44 | ~AutoHandle() { |
| 45 | if (handle) |
| 46 | CloseHandle(handle); |
| 47 | } |
| 48 | |
| 49 | operator HANDLE() { |
| 50 | return handle; |
| 51 | } |
| 52 | |
| 53 | AutoHandle &operator=(HANDLE h) { |
| 54 | handle = h; |
| 55 | return *this; |
| 56 | } |
| 57 | }; |