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[NTDLL:LDR] Fix process LoadConfig CS timeout conversion from ms to 100ns units (#4089)

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For more details, see
https://forums.codeguru.com/showthread.php?370731-EnterCriticalSection-locking&p=1302399#post1302399
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Hermès Bélusca-Maïto 2021-11-06 18:43:35 +01:00
parent b5c75ce506
commit 6f89a48349
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GPG key ID: 3B2539C65E7B93D0
1 changed files with 4 additions and 6 deletions
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10
dll/ntdll/ldr/ldrinit.c
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@ -1839,7 +1839,7 @@ LdrpInitializeProcess(IN PCONTEXT Context,
/* ReactOS specific: do not clear it. (Windows starts doing the same in later versions) */
//Peb->pShimData = NULL;
/* Save the number of processors and CS Timeout */
/* Save the number of processors and CS timeout */
LdrpNumberOfProcessors = Peb->NumberOfProcessors;
RtlpTimeout = Peb->CriticalSectionTimeout;
@ -1894,8 +1894,9 @@ LdrpInitializeProcess(IN PCONTEXT Context,
if (VALID_CONFIG_FIELD(GlobalFlagsClear) && LoadConfig->GlobalFlagsClear)
Peb->NtGlobalFlag &= ~LoadConfig->GlobalFlagsClear;
/* Convert the default CS timeout from milliseconds to 100ns units */
if (VALID_CONFIG_FIELD(CriticalSectionDefaultTimeout) && LoadConfig->CriticalSectionDefaultTimeout)
RtlpTimeout.QuadPart = Int32x32To64(LoadConfig->CriticalSectionDefaultTimeout, -10000000);
RtlpTimeout.QuadPart = Int32x32To64(LoadConfig->CriticalSectionDefaultTimeout, -10000);
if (VALID_CONFIG_FIELD(DeCommitFreeBlockThreshold) && LoadConfig->DeCommitFreeBlockThreshold)
HeapParameters.DeCommitFreeBlockThreshold = LoadConfig->DeCommitFreeBlockThreshold;
@ -1935,12 +1936,9 @@ LdrpInitializeProcess(IN PCONTEXT Context,
&CommandLine);
}
/* If the timeout is too long */
/* If the CS timeout is longer than 1 hour, disable it */
if (RtlpTimeout.QuadPart < Int32x32To64(3600, -10000000))
{
/* Then disable CS Timeout */
RtlpTimeoutDisable = TRUE;
}
/* Initialize Critical Section Data */
RtlpInitDeferredCriticalSection();