include/core/process.hpp

This header defines a minimal process helper surface: find a command, test whether it exists, run a shell command and capture exit/output, or capture output directly.

process.cpp driver.cpp gpu.cpp cuda_env.cpp

Reference

Public APIcpp

struct CommandResult { int exit_code; std::string output; };
bool command_exists(const std::string& name);
std::optional<std::filesystem::path> find_command(const std::string& name);
CommandResult run(const std::string& command);
std::string capture(const char* command);

Usage

The probing files stay narrow because they rely on this interface instead of open-coding PATH scans and `popen` behavior themselves. It is a tiny portability layer for shell-based detection.

include/core/report.hpp

src/core/process.cpp

Related files

Core implementation

src/core/process.cpp

Implements PATH scanning, shell command execution, output trimming, and exit code decoding.

Core implementation

src/core/driver.cpp

Checks for `nvidia-smi` and, when available, queries the GPU driver version.

Core implementation

src/core/gpu.cpp

Uses `nvidia-smi` to ask for the GPU name and treats the driver tool as a prerequisite, not as proof that no GPU exists.

Core implementation

src/core/cuda_env.cpp

Finds `nvcc`, searches common CUDA install roots, parses `nvcc --version`, and derives the toolkit root directory.