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sortix--sortix/kernel/ioctx.cpp
2014-03-01 14:37:41 +01:00

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1.8 KiB
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/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012, 2013, 2014.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with
Sortix. If not, see <http://www.gnu.org/licenses/>.
ioctx.cpp
The context for io operations: who made it, how should data be copied, etc.
*******************************************************************************/
#include <sortix/kernel/copy.h>
#include <sortix/kernel/ioctx.h>
#include <sortix/kernel/kernel.h>
#include <sortix/kernel/process.h>
namespace Sortix {
void SetupUserIOCtx(ioctx_t* ctx)
{
Process* process = CurrentProcess();
ScopedLock lock(&process->idlock);
ctx->uid = ctx->auth_uid = process->uid;
ctx->gid = ctx->auth_gid = process->gid;
ctx->copy_to_dest = CopyToUser;
ctx->copy_from_src = CopyFromUser;
ctx->zero_dest = ZeroUser;
ctx->dflags = 0;
}
void SetupKernelIOCtx(ioctx_t* ctx)
{
Process* process = CurrentProcess();
ScopedLock lock(&process->idlock);
ctx->uid = ctx->auth_uid = process->uid;
ctx->gid = ctx->auth_gid = process->gid;
ctx->copy_to_dest = CopyToKernel;
ctx->copy_from_src = CopyFromKernel;
ctx->zero_dest = ZeroKernel;
ctx->dflags = 0;
}
} // namespace Sortix