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Implement OS Restart on Linux. (#50)

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Darío 2024-12-17 15:09:45 -03:00 • committed by GitHub
parent 290ee4e02c
commit da245b60e3
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1 changed files with 44 additions and 7 deletions
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51
UnleashedRecomp/os/linux/process_linux.cpp
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@ -1,20 +1,57 @@
#include <os/process_detail.h>
#include <signal.h>
std::filesystem::path os::process::detail::GetExecutablePath()
{
assert(false && "Unimplemented.");
return std::filesystem::path();
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::detail::GetWorkingDirectory()
{
// TODO: There's a cross platform way to retrieve this which is just getting it from argv[0].
assert(false && "Unimplemented.");
return std::filesystem::path();
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::detail::StartProcess(const std::filesystem::path path, const std::vector<std::string> args, std::filesystem::path work)
{
assert(false && "Unimplemented.");
return false;
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;
}