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Fix race condition

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svn path=/trunk/; revision=30501
This commit is contained in:
Hervé Poussineau 2007-11-16 13:16:43 +00:00
parent 910520b648
commit a5728dd37f
1 changed files with 3 additions and 1 deletions
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4
reactos/dll/win32/advapi32/sec/misc.c
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@ -69,7 +69,9 @@ CheckNtMartaPresent(VOID)
{
DWORD ErrorCode;
if (NtMarta == NULL)
if (InterlockedCompareExchangePointer(&NtMarta,
NULL,
NULL) == NULL)
{
/* we're the first one trying to use ntmarta, initialize it and change
the pointer after initialization */