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#pragma once
///@file
#include <optional>
#include <sys/resource.h>
#include "types.hh"
namespace nix {
/**
* If cgroups are active, attempt to calculate the number of CPUs available.
* If cgroups are unavailable or if cpu.max is set to "max", return 0.
*/
unsigned int getMaxCPU();
/**
* Change the stack size.
*/
void setStackSize(rlim_t stackSize);
/**
* Restore the original inherited Unix process context (such as signal
* masks, stack size).
* See startSignalHandlerThread(), saveSignalMask().
*/
void restoreProcessContext(bool restoreMounts = true);
/**
* @return the path of the current executable.
*/
std::optional<Path> getSelfExe();
}
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