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ntdll: Reimplement condition variables on top of RtlWaitOnAddress(). 

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46208
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2019-02-07 12:39:46 -06:00 committed by Alexandre Julliard
parent 9bbe5c3613
commit 954ed39584
1 changed files with 10 additions and 19 deletions
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29
dlls/ntdll/sync.c
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@ -1909,8 +1909,8 @@ void WINAPI RtlInitializeConditionVariable( RTL_CONDITION_VARIABLE *variable )
*/
void WINAPI RtlWakeConditionVariable( RTL_CONDITION_VARIABLE *variable )
{
if (interlocked_dec_if_nonzero( (int *)&variable->Ptr ))
NtReleaseKeyedEvent( 0, &variable->Ptr, FALSE, NULL );
interlocked_xchg_add( (int *)&variable->Ptr, 1 );
RtlWakeAddressSingle( variable );
}
/***********************************************************************
@ -1920,9 +1920,8 @@ void WINAPI RtlWakeConditionVariable( RTL_CONDITION_VARIABLE *variable )
*/
void WINAPI RtlWakeAllConditionVariable( RTL_CONDITION_VARIABLE *variable )
{
int val = interlocked_xchg( (int *)&variable->Ptr, 0 );
while (val-- > 0)
NtReleaseKeyedEvent( 0, &variable->Ptr, FALSE, NULL );
interlocked_xchg_add( (int *)&variable->Ptr, 1 );
RtlWakeAddressAll( variable );
}
/***********************************************************************
@ -1944,17 +1943,14 @@ NTSTATUS WINAPI RtlSleepConditionVariableCS( RTL_CONDITION_VARIABLE *variable, R
const LARGE_INTEGER *timeout )
{
NTSTATUS status;
interlocked_xchg_add( (int *)&variable->Ptr, 1 );
int val = *(int *)&variable->Ptr;
RtlLeaveCriticalSection( crit );
status = NtWaitForKeyedEvent( 0, &variable->Ptr, FALSE, timeout );
if (status != STATUS_SUCCESS)
{
if (!interlocked_dec_if_nonzero( (int *)&variable->Ptr ))
status = NtWaitForKeyedEvent( 0, &variable->Ptr, FALSE, NULL );
}
status = RtlWaitOnAddress( &variable->Ptr, &val, sizeof(int), timeout );
RtlEnterCriticalSection( crit );
return status;
}
@ -1981,19 +1977,14 @@ NTSTATUS WINAPI RtlSleepConditionVariableSRW( RTL_CONDITION_VARIABLE *variable,
const LARGE_INTEGER *timeout, ULONG flags )
{
NTSTATUS status;
interlocked_xchg_add( (int *)&variable->Ptr, 1 );
int val = *(int *)&variable->Ptr;
if (flags & RTL_CONDITION_VARIABLE_LOCKMODE_SHARED)
RtlReleaseSRWLockShared( lock );
else
RtlReleaseSRWLockExclusive( lock );
status = NtWaitForKeyedEvent( 0, &variable->Ptr, FALSE, timeout );
if (status != STATUS_SUCCESS)
{
if (!interlocked_dec_if_nonzero( (int *)&variable->Ptr ))
status = NtWaitForKeyedEvent( 0, &variable->Ptr, FALSE, NULL );
}
status = RtlWaitOnAddress( &variable->Ptr, &val, sizeof(int), timeout );
if (flags & RTL_CONDITION_VARIABLE_LOCKMODE_SHARED)
RtlAcquireSRWLockShared( lock );