52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
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* Copyright (c) 2012, 2013, 2014 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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* ioctx.cpp
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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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#include <sortix/kernel/copy.h>
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#include <sortix/kernel/ioctx.h>
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#include <sortix/kernel/kernel.h>
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#include <sortix/kernel/process.h>
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namespace Sortix {
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void SetupUserIOCtx(ioctx_t* ctx)
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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ctx->uid = ctx->auth_uid = process->uid;
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ctx->gid = ctx->auth_gid = process->gid;
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ctx->copy_to_dest = CopyToUser;
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ctx->copy_from_src = CopyFromUser;
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ctx->zero_dest = ZeroUser;
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ctx->dflags = 0;
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}
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void SetupKernelIOCtx(ioctx_t* ctx)
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{
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Process* process = CurrentProcess();
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ScopedLock lock(&process->idlock);
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ctx->uid = ctx->auth_uid = process->uid;
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ctx->gid = ctx->auth_gid = process->gid;
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ctx->copy_to_dest = CopyToKernel;
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ctx->copy_from_src = CopyFromKernel;
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ctx->zero_dest = ZeroKernel;
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ctx->dflags = 0;
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}
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} // namespace Sortix
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