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https://github.com/reactos/reactos.git
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0bd4cf0cbf
Moved console handling into csrss Gave each process a name for debugging purposes svn path=/trunk/; revision=1088
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/kernel32/thread/tls.c
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* PURPOSE: Thread functions
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* PROGRAMMER: Ariadne ( ariadne@xs4all.nl)
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* Tls functions are modified from WINE
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* UPDATE HISTORY:
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* Created 01/11/98
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*/
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/* INCLUDES ******************************************************************/
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#include <ddk/ntddk.h>
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#include <windows.h>
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#include <kernel32/thread.h>
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#include <string.h>
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#include <ntdll/rtl.h>
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/* FUNCTIONS *****************************************************************/
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DWORD STDCALL TlsAlloc(VOID)
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{
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PULONG TlsBitmap = NtCurrentPeb()->TlsBitmapBits;
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ULONG i, j;
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RtlAcquirePebLock();
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for (i = 0; i < 2; i++)
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{
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for (j = 0; j < 32; j++)
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{
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if ((TlsBitmap[i] & (1 << j)) == 0)
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{
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TlsBitmap[i] = TlsBitmap[i] | (1 << j);
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RtlReleasePebLock();
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return((i * 32) + j);
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}
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}
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}
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RtlReleasePebLock();
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return (0xFFFFFFFFUL);
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}
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WINBOOL STDCALL TlsFree(DWORD dwTlsIndex)
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{
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PULONG TlsBitmap = NtCurrentPeb()->TlsBitmapBits;
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RtlAcquirePebLock();
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TlsBitmap[dwTlsIndex / 32] =
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TlsBitmap[dwTlsIndex / 32] & ~(1 << (dwTlsIndex % 32));
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RtlReleasePebLock();
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return(TRUE);
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}
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LPVOID STDCALL TlsGetValue(DWORD dwTlsIndex)
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{
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return(NtCurrentTeb()->TlsSlots[dwTlsIndex]);
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}
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WINBOOL STDCALL TlsSetValue(DWORD dwTlsIndex, LPVOID lpTlsValue)
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{
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NtCurrentTeb()->TlsSlots[dwTlsIndex] = lpTlsValue;
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return(TRUE);
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}
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