misc.h File Reference

Miscellaneous declarations for Windows. More...

#include <chrono>
#include <filesystem>
#include <string>
#include <string_view>
#include <Windows.h>
#include <winnt.h>

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Functions
bool	platf::getFileVersionInfo (const std::filesystem::path &file_path, std::string &version_str)
	Get file version information from a Windows executable or driver file.
void	platf::print_status (const std::string_view &prefix, HRESULT status)
	Write status details to the log.
int64_t	platf::qpc_counter ()
	Read the current Windows high-resolution performance counter.
std::chrono::nanoseconds	platf::qpc_time_difference (int64_t performance_counter1, int64_t performance_counter2)
	Convert the difference between two QPC readings to nanoseconds.
HDESK	platf::syncThreadDesktop ()
	Synchronize thread desktop.

Detailed Description

Miscellaneous declarations for Windows.

Function Documentation

getFileVersionInfo()

bool platf::getFileVersionInfo	(	const std::filesystem::path &	file_path,
		std::string &	version_str )

Get file version information from a Windows executable or driver file.

Parameters

file_path	Path to the file to query.
version_str	Output parameter for version string in format "major.minor.build.revision".

Returns

true if version info was successfully extracted, false otherwise.

print_status()

void platf::print_status	(	const std::string_view &	prefix,
		HRESULT	status )

Write status details to the log.

Parameters

prefix	Text prefix used when formatting the message.
status	Native status code returned by the platform API.

qpc_counter()

int64_t platf::qpc_counter

(

)

Read the current Windows high-resolution performance counter.

Returns

Raw QPC tick value from QueryPerformanceCounter.

qpc_time_difference()

std::chrono::nanoseconds platf::qpc_time_difference	(	int64_t	performance_counter1,
		int64_t	performance_counter2 )

Convert the difference between two QPC readings to nanoseconds.

Parameters

performance_counter1	Newer performance-counter reading.
performance_counter2	Older performance-counter reading.

Returns

Duration represented by the difference between two QPC values.

syncThreadDesktop()

HDESK platf::syncThreadDesktop

(

)

Synchronize thread desktop.

Returns

true when the thread desktop was synchronized successfully.