#include <os/process.h>

#include <signal.h>

std::filesystem::path os::process::GetExecutablePath()

{

char exePath[PATH_MAX] = {};

if (readlink("/proc/self/exe", exePath, PATH_MAX) > 0)

{

return std::filesystem::path(std::u8string_view((const char8_t*)(exePath)));

}

else

{

return std::filesystem::path();

}

}

std::filesystem::path os::process::GetExecutableRoot()

{

return GetExecutablePath().remove_filename();

}

std::filesystem::path os::process::GetWorkingDirectory()

{

char cwd[PATH_MAX] = {};

char *res = getcwd(cwd, sizeof(cwd));

if (res != nullptr)

{

return std::filesystem::path(std::u8string_view((const char8_t*)(cwd)));

}

else

{

return std::filesystem::path();

}

}

bool os::process::SetWorkingDirectory(const std::filesystem::path& path)

{

return chdir(path.c_str()) == 0;

}

bool os::process::StartProcess(const std::filesystem::path& path, const std::vector<std::string>& args, std::filesystem::path work)

{

pid_t pid = fork();

if (pid < 0)

return false;

if (pid == 0)

{

setsid();

std::u8string workU8 = work.u8string();

chdir((const char*)(workU8.c_str()));

std::u8string pathU8 = path.u8string();

std::vector<char*> argStrs;

argStrs.push_back((char*)(pathU8.c_str()));

for (const std::string& arg : args)

argStrs.push_back((char *)(arg.c_str()));

argStrs.push_back(nullptr);

execvp((const char*)(pathU8.c_str()), argStrs.data());

raise(SIGKILL);

}

return true;

}

void os::process::CheckConsole()

{

// Always visible on Linux.

g_consoleVisible = true;

}

void os::process::ShowConsole()

{

// Unnecessary on Linux.

}