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ef53864d36
This prevents a race condition where the console may still be rendering, but the process may be able to get data on the screen faster, which results in visual corruption as the two race.
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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log.cpp
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A system for logging various messages to the kernel log.
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*******************************************************************************/
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#include <sortix/kernel/platform.h>
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#include <sortix/kernel/syscall.h>
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#include <sortix/kernel/log.h>
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#include <string.h>
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namespace Sortix
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{
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namespace Log
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{
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size_t (*deviceCallback)(void*, const char*, size_t) = NULL;
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size_t (*deviceWidth)(void*) = NULL;
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size_t (*deviceHeight)(void*) = NULL;
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bool (*deviceSync)(void*) = NULL;
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void* devicePointer = NULL;
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size_t SysPrintString(const char* str)
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{
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// TODO: Check that str is a user-readable string!
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return Print(str);
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}
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void Init(size_t (*callback)(void*, const char*, size_t),
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size_t (*widthfunc)(void*),
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size_t (*heightfunc)(void*),
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bool (*syncfunc)(void*),
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void* user)
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{
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deviceCallback = callback;
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deviceWidth = widthfunc;
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deviceHeight = heightfunc;
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deviceSync = syncfunc;
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devicePointer = user;
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Syscall::Register(SYSCALL_PRINT_STRING, (void*) SysPrintString);
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}
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}
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}
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