forked from mia/Aegisub
af74371f6d
Poorly-written antivirus software briefly lock newly written files to scan them for viruses, which makes the rename from the temp file to actual file fail. Work around this by retrying the rename up to ten times. Closes #1620.
110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
|
|
//
|
|
// Permission to use, copy, modify, and distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
/// @file util.cpp
|
|
/// @brief Windows utility methods.
|
|
/// @ingroup libaegisub windows
|
|
|
|
#include "../config.h"
|
|
|
|
#include "libaegisub/util.h"
|
|
#include "libaegisub/util_win.h"
|
|
|
|
#include "libaegisub/charset_conv_win.h"
|
|
|
|
#include <thread>
|
|
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
|
|
namespace agi {
|
|
namespace util {
|
|
|
|
using agi::charset::ConvertW;
|
|
|
|
std::string ErrorString(DWORD error) {
|
|
LPWSTR lpstr = nullptr;
|
|
|
|
if(FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, nullptr, error, 0, reinterpret_cast<LPWSTR>(&lpstr), 0, nullptr) == 0) {
|
|
/// @todo Return the actual 'unknown error' string from windows.
|
|
return "Unknown Error";
|
|
}
|
|
|
|
std::string str = ConvertW(lpstr);
|
|
LocalFree(lpstr);
|
|
return str;
|
|
}
|
|
|
|
/// @brief Get seconds and microseconds.
|
|
/// @param tv[out] agi_timeval struct
|
|
/// This code is from http://www.suacommunity.com/dictionary/gettimeofday-entry.php
|
|
agi_timeval time_log() {
|
|
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
|
|
// Define a structure to receive the current Windows filetime
|
|
FILETIME ft;
|
|
|
|
// Initialize the present time to 0 and the timezone to UTC
|
|
unsigned __int64 tmpres = 0;
|
|
|
|
GetSystemTimeAsFileTime(&ft);
|
|
|
|
// The GetSystemTimeAsFileTime returns the number of 100 nanosecond
|
|
// intervals since Jan 1, 1601 in a structure. Copy the high bits to
|
|
// the 64 bit tmpres, shift it left by 32 then or in the low 32 bits.
|
|
tmpres |= ft.dwHighDateTime;
|
|
tmpres <<= 32;
|
|
tmpres |= ft.dwLowDateTime;
|
|
|
|
// Convert to microseconds by dividing by 10
|
|
tmpres /= 10;
|
|
|
|
// The Unix epoch starts on Jan 1 1970. Need to subtract the difference
|
|
// in seconds from Jan 1 1601.
|
|
tmpres -= DELTA_EPOCH_IN_MICROSECS;
|
|
|
|
// Finally change microseconds to seconds and place in the seconds value.
|
|
// The modulus picks up the microseconds.
|
|
agi_timeval tv = { (long)(tmpres / 1000000UL), (long)(tmpres % 1000000UL) };
|
|
return tv;
|
|
}
|
|
|
|
#define MS_VC_EXCEPTION 0x406d1388
|
|
|
|
/// Parameters for setting the thread name
|
|
struct THREADNAME_INFO {
|
|
DWORD dwType; ///< must be 0x1000
|
|
LPCSTR szName; ///< pointer to name (in same addr space)
|
|
DWORD dwThreadID; ///< thread ID (-1 caller thread)
|
|
DWORD dwFlags; ///< reserved for future use, most be zero
|
|
};
|
|
|
|
void SetThreadName(LPCSTR szThreadName) {
|
|
THREADNAME_INFO info;
|
|
info.dwType = 0x1000;
|
|
info.szName = szThreadName;
|
|
info.dwThreadID = -1;
|
|
info.dwFlags = 0;
|
|
__try {
|
|
RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(DWORD), (ULONG_PTR *)&info);
|
|
}
|
|
__except (EXCEPTION_CONTINUE_EXECUTION) {}
|
|
}
|
|
|
|
void sleep_for(int ms) {
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(ms));
|
|
}
|
|
|
|
} // namespace io
|
|
} // namespace agi
|