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atomically increment the pipe id to be thread-safe. Thanks to Mark Grosberg for reporting it.

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svn path=/trunk/; revision=11240
This commit is contained in:
Thomas Bluemel 2004-10-08 21:48:46 +00:00
parent d02f400b31
commit 6961ff9728
1 changed files with 4 additions and 3 deletions
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7
reactos/lib/kernel32/file/pipe.c
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@ -1,4 +1,4 @@
/* $Id: pipe.c,v 1.10 2004/01/23 21:16:03 ekohl Exp $
/* $Id: pipe.c,v 1.11 2004/10/08 21:48:46 weiden Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -37,15 +37,16 @@ BOOL STDCALL CreatePipe(PHANDLE hReadPipe,
NTSTATUS Status;
HANDLE ReadPipeHandle;
HANDLE WritePipeHandle;
ULONG PipeId;
PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
DefaultTimeout.QuadPart = 300000000; /* 30 seconds */
ProcessPipeId++;
PipeId = (ULONG)InterlockedIncrement((LONG*)&ProcessPipeId);
swprintf(Buffer,
L"\\Device\\NamedPipe\\Win32Pipes.%08x.%08x",
NtCurrentTeb()->Cid.UniqueProcess,
ProcessPipeId);
PipeId);
RtlInitUnicodeString (&PipeName,
Buffer);