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Implemented RtlpWaitForCriticalSection and RtlpUnWaitCriticalSection.

oldstable
Alexandre Julliard 2000-09-10 03:16:08 +00:00
parent c4a264428b
commit 4b15574923
2 changed files with 48 additions and 30 deletions
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4
dlls/ntdll/ntdll.spec
View File

@ -550,8 +550,8 @@ type win32
@ stub RtlpNtOpenKey
@ stub RtlpNtQueryValueKey
@ stub RtlpNtSetValueKey
@ stub RtlpUnWaitCriticalSection
@ stub RtlpWaitForCriticalSection
@ stdcall RtlpUnWaitCriticalSection(ptr) RtlpUnWaitCriticalSection
@ stdcall RtlpWaitForCriticalSection(ptr) RtlpWaitForCriticalSection
@ stdcall RtlxAnsiStringToUnicodeSize(ptr) RtlAnsiStringToUnicodeSize
@ stdcall RtlxOemStringToUnicodeSize(ptr) RtlOemStringToUnicodeSize
@ stdcall RtlxUnicodeStringToAnsiSize(ptr) RtlUnicodeStringToAnsiSize

74
scheduler/critsection.c
View File

@ -64,6 +64,50 @@ void WINAPI DeleteCriticalSection( CRITICAL_SECTION *crit )
}
/***********************************************************************
* RtlpWaitForCriticalSection (NTDLL.@)
*/
void WINAPI RtlpWaitForCriticalSection( CRITICAL_SECTION *crit )
{
for (;;)
{
EXCEPTION_RECORD rec;
HANDLE sem = get_semaphore( crit );
DWORD res = WaitForSingleObject( sem, 5000L );
if ( res == WAIT_TIMEOUT )
{
ERR("Critical section %p wait timed out, retrying (60 sec)\n", crit );
res = WaitForSingleObject( sem, 60000L );
if ( res == WAIT_TIMEOUT && TRACE_ON(relay) )
{
ERR("Critical section %p wait timed out, retrying (5 min)\n", crit );
res = WaitForSingleObject( sem, 300000L );
}
}
if (res == STATUS_WAIT_0) break;
rec.ExceptionCode = EXCEPTION_CRITICAL_SECTION_WAIT;
rec.ExceptionFlags = 0;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = RtlRaiseException; /* sic */
rec.NumberParameters = 1;
rec.ExceptionInformation[0] = (DWORD)crit;
RtlRaiseException( &rec );
}
}
/***********************************************************************
* RtlpUnWaitCriticalSection (NTDLL.@)
*/
void WINAPI RtlpUnWaitCriticalSection( CRITICAL_SECTION *crit )
{
HANDLE sem = get_semaphore( crit );
ReleaseSemaphore( sem, 1, NULL );
}
/***********************************************************************
* EnterCriticalSection (KERNEL32.195) (NTDLL.344)
*/
@ -78,32 +122,7 @@ void WINAPI EnterCriticalSection( CRITICAL_SECTION *crit )
}
/* Now wait for it */
for (;;)
{
EXCEPTION_RECORD rec;
HANDLE sem = get_semaphore( crit );
DWORD res = WaitForSingleObject( sem, 5000L );
if ( res == WAIT_TIMEOUT )
{
ERR("Critical section %p wait timed out, retrying (60 sec)\n", crit );
res = WaitForSingleObject( sem, 60000L );
if ( res == WAIT_TIMEOUT && TRACE_ON(relay) )
{
ERR("Critical section %p wait timed out, retrying (5 min)\n", crit );
res = WaitForSingleObject( sem, 300000L );
}
}
if (res == STATUS_WAIT_0) break;
rec.ExceptionCode = EXCEPTION_CRITICAL_SECTION_WAIT;
rec.ExceptionFlags = 0;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = RtlRaiseException; /* sic */
rec.NumberParameters = 1;
rec.ExceptionInformation[0] = (DWORD)crit;
RtlRaiseException( &rec );
}
RtlpWaitForCriticalSection( crit );
}
crit->OwningThread = GetCurrentThreadId();
crit->RecursionCount = 1;
@ -149,8 +168,7 @@ void WINAPI LeaveCriticalSection( CRITICAL_SECTION *crit )
if (InterlockedDecrement( &crit->LockCount ) >= 0)
{
/* Someone is waiting */
HANDLE sem = get_semaphore( crit );
ReleaseSemaphore( sem, 1, NULL );
RtlpUnWaitCriticalSection( crit );
}
}