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Implement ExAcquireReadWriteLockExclusive.

This commit is contained in:
Fisherman166 2020-05-25 16:11:51 -07:00
parent d1580cd19d
commit a2e623180a
2 changed files with 18 additions and 6 deletions
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2
import/OpenXDK/include/xboxkrnl/ex.h
View File

@ -12,7 +12,7 @@
#ifndef XBOXKRNL_EX_H
#define XBOXKRNL_EX_H
XBSYSAPI EXPORTNUM(12) NTSTATUS NTAPI ExAcquireReadWriteLockExclusive
XBSYSAPI EXPORTNUM(12) VOID NTAPI ExAcquireReadWriteLockExclusive
(
IN PERWLOCK ReadWriteLock
);

22
src/core/kernel/exports/EmuKrnlEx.cpp
View File

@ -144,17 +144,29 @@ static bool eeprom_data_is_valid(xboxkrnl::XC_VALUE_INDEX index)
// * 0x000C - ExAcquireReadWriteLockExclusive()
// ******************************************************************
// Source:APILogger - Uncertain
XBSYSAPI EXPORTNUM(12) xboxkrnl::NTSTATUS NTAPI xboxkrnl::ExAcquireReadWriteLockExclusive
XBSYSAPI EXPORTNUM(12) xboxkrnl::VOID NTAPI xboxkrnl::ExAcquireReadWriteLockExclusive
(
IN PERWLOCK ReadWriteLock
)
{
LOG_FUNC_ONE_ARG(ReadWriteLock);
// KeWaitForSingleObject
LOG_UNIMPLEMENTED();
RETURN(S_OK);
bool interrupt_mode = DisableInterrupts();
ReadWriteLock->LockCount++;
if (ReadWriteLock->LockCount != 0) {
ReadWriteLock->WritersWaitingCount++;
RestoreInterruptMode(interrupt_mode);
KeWaitForSingleObject(
&ReadWriteLock->WriterEvent,
Executive,
0,
0,
0
);
}
else {
RestoreInterruptMode(interrupt_mode);
}
}
// ******************************************************************