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https://github.com/privatevoid-net/nix-super.git
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ac89bb064a
All OS and IO operations should be moved out, leaving only some misc portable pure functions. This is useful to avoid copious CPP when doing things like Windows and Emscripten ports. Newly exposed functions to break cycles: - `restoreSignals` - `updateWindowSize`
38 lines
623 B
C++
38 lines
623 B
C++
#pragma once
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///@file
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#include <optional>
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#include "types.hh"
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namespace nix {
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/**
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* Save the current mount namespace. Ignored if called more than
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* once.
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*/
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void saveMountNamespace();
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/**
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* Restore the mount namespace saved by saveMountNamespace(). Ignored
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* if saveMountNamespace() was never called.
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*/
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void restoreMountNamespace();
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/**
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* Cause this thread to not share any FS attributes with the main
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* thread, because this causes setns() in restoreMountNamespace() to
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* fail.
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*/
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void unshareFilesystem();
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#if __linux__
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bool userNamespacesSupported();
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bool mountAndPidNamespacesSupported();
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#endif
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}
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