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Avoid crashes at shutdown due to printf() in global destructors.

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This commit is contained in:
Gavin Andresen 2012-10-04 16:35:08 -04:00
parent c0b130b79b
commit cac6b389d1
1 changed files with 8 additions and 2 deletions
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10
src/util.cpp
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@ -220,8 +220,14 @@ inline int OutputDebugStringF(const char* pszFormat, ...)
if (fileout)
{
static bool fStartedNewLine = true;
static boost::mutex mutexDebugLog;
boost::mutex::scoped_lock scoped_lock(mutexDebugLog);
// This routine may be called by global destructors during shutdown.
// Since the order of destruction of static/global objects is undefined,
// allocate mutexDebugLog on the heap the first time this routine
// is called to avoid crashes during shutdown.
static boost::mutex* mutexDebugLog = NULL;
if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
// reopen the log file, if requested
if (fReopenDebugLog) {