39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
/*
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* Copyright (c) 2012, 2014, 2021 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* sortix/kernel/copy.h
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* The context for io operations: who made it, how should data be copied, etc.
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*/
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#ifndef _INCLUDE_SORTIX_KERNEL_COPY_H
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#define _INCLUDE_SORTIX_KERNEL_COPY_H
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#include <stddef.h>
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namespace Sortix {
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bool CopyToUser(void* userdst, const void* ksrc, size_t count);
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bool CopyFromUser(void* kdst, const void* usersrc, size_t count);
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bool CopyToKernel(void* kdst, const void* ksrc, size_t count);
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bool CopyFromKernel(void* kdst, const void* ksrc, size_t count);
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bool ReadAtomicFromUser(int* kdst, const int* usersrc);
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bool ZeroKernel(void* kdst, size_t count);
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bool ZeroUser(void* userdst, size_t count);
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char* GetStringFromUser(const char* str);
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} // namespace Sortix
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#endif
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