tyler.durden
/
icinga2
mirror of https://github.com/Icinga/icinga2.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Use InterlockedIncrement instead of a mutex in CreatePipeOverlapped 

refs #10075
This commit is contained in:
Gunnar Beutner 2016-08-11 09:43:50 +02:00
parent f0beeba354
commit 132ee6c558
1 changed files with 3 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
lib/base/process.cpp
View File

@ -323,22 +323,15 @@ String Process::PrettyPrintArguments(const Process::Arguments& arguments)
static BOOL CreatePipeOverlapped(HANDLE *outReadPipe, HANDLE *outWritePipe,
SECURITY_ATTRIBUTES *securityAttributes, DWORD size, DWORD readMode, DWORD writeMode)
{
static int pipeIndex = 0;
static boost::mutex mutex;
static LONG pipeIndex = 0;
if (size == 0)
size = 8192;
int currentIndex;
{
boost::mutex::scoped_lock lock(mutex);
currentIndex = pipeIndex;
pipeIndex++;
}
LONG currentIndex = InterlockedIncrement(&pipeIndex);
char pipeName[128];
sprintf(pipeName, "\\\\.\\Pipe\\OverlappedPipe.%d.%d", (int)GetCurrentProcessId(), currentIndex);
sprintf(pipeName, "\\\\.\\Pipe\\OverlappedPipe.%d.%d", (int)GetCurrentProcessId(), (int)currentIndex);
*outReadPipe = CreateNamedPipe(pipeName, PIPE_ACCESS_INBOUND | readMode,
PIPE_TYPE_BYTE | PIPE_WAIT, 1, size, size, 60 * 1000, securityAttributes);