Added InterlockedXXX functions, probobly should use a different name

svn path=/trunk/; revision=1551
This commit is contained in:
Phillip Susi 2001-01-21 00:09:05 +00:00
parent 5c0fb84170
commit 5d6f1d7dfa
5 changed files with 176 additions and 64 deletions

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@ -1,4 +1,4 @@
; $Id: ntdll.def,v 1.67 2000/12/29 13:49:15 ekohl Exp $
; $Id: ntdll.def,v 1.68 2001/01/21 00:07:51 phreak Exp $
;
; ReactOS Operating System
;
@ -933,4 +933,8 @@ wcsstr
wcstol
wcstombs
wcstoul
InterlockedIncrement@4
InterlockedDecrement@4
InterlockedExchange@8
InterlockedCompareExchange@12
;EOF

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@ -1,4 +1,4 @@
; $Id: ntdll.edf,v 1.56 2000/12/29 13:49:15 ekohl Exp $
; $Id: ntdll.edf,v 1.57 2001/01/21 00:07:51 phreak Exp $
;
; ReactOS Operating System
;
@ -814,6 +814,10 @@ ZwWriteRequestData=ZwWriteRequestData@24
ZwWriteVirtualMemory=ZwWriteVirtualMemory@20
ZwW32Call=ZwW32Call@20
ZwYieldExecution=ZwYieldExecution@0
InterlockedIncrement=InterlockedIncrement@4
InterlockedDecrement=InterlockedDecrement@4
InterlockedExchange=InterlockedExchange@8
InterlockedCompareExchange=InterlockedCompareExchange@12
__isascii
__iscsym
__iscsymf

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@ -1,4 +1,4 @@
# $Id: makefile,v 1.57 2001/01/17 17:01:38 jean Exp $
# $Id: makefile,v 1.58 2001/01/21 00:07:51 phreak Exp $
#
# ReactOS Operating System
#
@ -24,7 +24,7 @@ RTL_OBJECTS = rtl/critical.o rtl/error.o rtl/heap.o rtl/largeint.o \
rtl/thread.o rtl/unicode.o rtl/env.o rtl/path.o rtl/ppb.o \
rtl/bitmap.o rtl/time.o rtl/acl.o rtl/sid.o rtl/image.o \
rtl/access.o rtl/apc.o rtl/callback.o rtl/luid.o rtl/misc.o \
rtl/registry.o rtl/exception.o
rtl/registry.o rtl/exception.o rtl/intrlck.o
STDIO_OBJECTS = stdio/sprintf.o stdio/swprintf.o

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@ -1,4 +1,4 @@
/* $Id: critical.c,v 1.8 2000/08/05 18:01:52 dwelch Exp $
/* $Id: critical.c,v 1.9 2001/01/21 00:07:51 phreak Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -17,65 +17,6 @@
/* FUNCTIONS *****************************************************************/
/* shouldn't these have correct Rtl equivalents? I just copied from kernel32 */
PVOID STDCALL
InterlockedCompareExchange(
PVOID *Destination,
PVOID Exchange,
PVOID Comperand )
{
PVOID ret;
__asm__ ( /* lock for SMP systems */
"lock\n\t"
"cmpxchgl %2,(%1)"
:"=r" (ret)
:"r" (Destination),"r" (Exchange), "0" (Comperand)
:"memory" );
return ret;
}
LONG STDCALL
InterlockedIncrement(PLONG Addend)
{
long ret = 0;
__asm__
(
"\tlock\n" /* for SMP systems */
"\tincl (%1)\n"
"\tje 2f\n"
"\tjl 1f\n"
"\tincl %0\n"
"\tjmp 2f\n"
"1:\tdec %0\n"
"2:\n"
:"=r" (ret):"r" (Addend), "0" (0): "memory"
);
return ret;
}
LONG STDCALL
InterlockedDecrement(PLONG lpAddend)
{
long ret;
__asm__
(
"\tlock\n" /* for SMP systems */
"\tdecl (%1)\n"
"\tje 2f\n"
"\tjl 1f\n"
"\tincl %0\n"
"\tjmp 2f\n"
"1:\tdec %0\n"
"2:\n"
:"=r" (ret):"r" (lpAddend), "0" (0): "memory"
);
return ret;
}
VOID STDCALL
RtlDeleteCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{

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@ -0,0 +1,163 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: lib/ntdll/rtl/intrlck.c
* PURPOSE: Inter lock increments
* UPDATE HISTORY:
* Created 30/09/99
*/
/*
* Win32 kernel functions
*
* Copyright 1995 Martin von Loewis
* Copyright 1997 Onno Hovers
* Copied from kernel32
*/
/************************************************************************
* InterlockedIncrement *
* *
* InterlockedIncrement adds 1 to a long variable and returns *
* - a negative number if the result < 0 *
* - zero if the result == 0 *
* - a positive number if the result > 0 *
* *
* The returned number need not be equal to the result!!!! *
* note: *
* *
************************************************************************/
#include <windows.h>
LONG
STDCALL
InterlockedIncrement(PLONG Addend)
{
long ret = 0;
__asm__
(
"\tlock\n" /* for SMP systems */
"\tincl (%1)\n"
"\tje 2f\n"
"\tjl 1f\n"
"\tincl %0\n"
"\tjmp 2f\n"
"1:\tdec %0\n"
"2:\n"
:"=r" (ret):"r" (Addend), "0" (0): "memory"
);
return ret;
}
/************************************************************************
* InterlockedDecrement *
* *
* InterlockedIncrement adds 1 to a long variable and returns *
* - a negative number if the result < 0 *
* - zero if the result == 0 *
* - a positive number if the result > 0 *
* *
* The returned number need not be equal to the result!!!! *
************************************************************************/
LONG
STDCALL
InterlockedDecrement(LPLONG lpAddend)
{
long ret;
__asm__
(
"\tlock\n" /* for SMP systems */
"\tdecl (%1)\n"
"\tje 2f\n"
"\tjl 1f\n"
"\tincl %0\n"
"\tjmp 2f\n"
"1:\tdec %0\n"
"2:\n"
:"=r" (ret):"r" (lpAddend), "0" (0): "memory"
);
return ret;
}
/************************************************************************
* InterlockedExchange
*
* Atomically exchanges a pair of values.
*
* RETURNS
* Prior value of value pointed to by Target
*/
LONG
STDCALL
InterlockedExchange(LPLONG target, LONG value )
{
long ret;
__asm__ ( /* lock for SMP systems */
"lock\n\txchgl %0,(%1)"
:"=r" (ret):"r" (target), "0" (value):"memory" );
return ret;
}
/************************************************************************
* InterlockedCompareExchange
*
* Atomically compares Destination and Comperand, and if found equal exchanges
* the value of Destination with Exchange
*
* RETURNS
* Prior value of value pointed to by Destination
*/
PVOID
STDCALL
InterlockedCompareExchange(
PVOID *Destination,
PVOID Exchange,
PVOID Comperand )
{
PVOID ret;
__asm__ ( /* lock for SMP systems */
"lock\n\t"
"cmpxchgl %2,(%1)"
:"=r" (ret)
:"r" (Destination),"r" (Exchange), "0" (Comperand)
:"memory" );
return ret;
}
/************************************************************************
* InterlockedExchangeAdd
*
* Atomically adds Increment to Addend and returns the previous value of
* Addend
*
* RETURNS
* Prior value of value pointed to by Addend
*/
LONG
STDCALL
InterlockedExchangeAdd(
PLONG Addend,
LONG Increment
)
{
LONG ret;
__asm__ ( /* lock for SMP systems */
"lock\n\t"
"xaddl %0,(%1)"
:"=r" (ret)
:"r" (Addend), "0" (Increment)
:"memory" );
return ret;
}