Ryan Macnak
0c3606f0ec
Improve error message to include the intended thread name and strerror. TEST=ci Change-Id: Iba61a40b312f6574e8e352d51a0c3de535f6a0c0 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/386361 Reviewed-by: Brian Quinlan <bquinlan@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_PLATFORM_UTILS_WIN_H_
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#define RUNTIME_PLATFORM_UTILS_WIN_H_
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#if !defined(RUNTIME_PLATFORM_UTILS_H_)
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#error Do not include utils_win.h directly; use utils.h instead.
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#endif
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#include <intrin.h>
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#include <stdlib.h>
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namespace dart {
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// WARNING: The below functions assume host is always Little Endian!
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inline uint16_t Utils::HostToBigEndian16(uint16_t value) {
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return _byteswap_ushort(value);
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}
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inline uint32_t Utils::HostToBigEndian32(uint32_t value) {
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return _byteswap_ulong(value);
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}
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inline uint64_t Utils::HostToBigEndian64(uint64_t value) {
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return _byteswap_uint64(value);
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}
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inline uint16_t Utils::HostToLittleEndian16(uint16_t value) {
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return value;
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}
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inline uint32_t Utils::HostToLittleEndian32(uint32_t value) {
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return value;
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}
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inline uint64_t Utils::HostToLittleEndian64(uint64_t value) {
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return value;
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}
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inline char* Utils::StrError(int err, char* buffer, size_t bufsize) {
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DWORD message_size =
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FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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nullptr, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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buffer, static_cast<DWORD>(bufsize), nullptr);
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if (message_size == 0) {
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if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
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snprintf(buffer, bufsize,
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"FormatMessage failed for error code %d (error %d)\n", err,
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GetLastError());
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}
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snprintf(buffer, bufsize, "OS Error %d", err);
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}
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// Ensure string termination.
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buffer[bufsize - 1] = 0;
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return buffer;
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}
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} // namespace dart
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#endif // RUNTIME_PLATFORM_UTILS_WIN_H_
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