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Merge pull request #1052 from sipa/scopedlocks

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Use scoped locks instead of CRITICAL_BLOCK
This commit is contained in:
Pieter Wuille
2012-04-09 13:25:17 -07:00
parent 1044391135 f342dac1cb
commit 1a275bac2b
19 changed files with 300 additions and 204 deletions
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24
src/util.cpp
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@@ -196,8 +196,8 @@ inline int OutputDebugStringF(const char* pszFormat, ...)
static CCriticalSection cs_OutputDebugStringF;
// accumulate a line at a time
CRITICAL_BLOCK(cs_OutputDebugStringF)
{
LOCK(cs_OutputDebugStringF);
static char pszBuffer[50000];
static char* pend;
if (pend == NULL)
@@ -1120,25 +1120,25 @@ private:
int sourceLine;
};
typedef std::vector< std::pair<CCriticalSection*, CLockLocation> > LockStack;
typedef std::vector< std::pair<void*, CLockLocation> > LockStack;
static boost::interprocess::interprocess_mutex dd_mutex;
static std::map<std::pair<CCriticalSection*, CCriticalSection*>, LockStack> lockorders;
static std::map<std::pair<void*, void*>, LockStack> lockorders;
static boost::thread_specific_ptr<LockStack> lockstack;
static void potential_deadlock_detected(const std::pair<CCriticalSection*, CCriticalSection*>& mismatch, const LockStack& s1, const LockStack& s2)
static void potential_deadlock_detected(const std::pair<void*, void*>& mismatch, const LockStack& s1, const LockStack& s2)
{
printf("POTENTIAL DEADLOCK DETECTED\n");
printf("Previous lock order was:\n");
BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, s2)
BOOST_FOREACH(const PAIRTYPE(void*, CLockLocation)& i, s2)
{
if (i.first == mismatch.first) printf(" (1)");
if (i.first == mismatch.second) printf(" (2)");
printf(" %s\n", i.second.ToString().c_str());
}
printf("Current lock order is:\n");
BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, s1)
BOOST_FOREACH(const PAIRTYPE(void*, CLockLocation)& i, s1)
{
if (i.first == mismatch.first) printf(" (1)");
if (i.first == mismatch.second) printf(" (2)");
@@ -1146,7 +1146,7 @@ static void potential_deadlock_detected(const std::pair<CCriticalSection*, CCrit
}
}
static void push_lock(CCriticalSection* c, const CLockLocation& locklocation)
static void push_lock(void* c, const CLockLocation& locklocation, bool fTry)
{
bool fOrderOK = true;
if (lockstack.get() == NULL)
@@ -1157,16 +1157,16 @@ static void push_lock(CCriticalSection* c, const CLockLocation& locklocation)
(*lockstack).push_back(std::make_pair(c, locklocation));
BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, (*lockstack))
if (!fTry) BOOST_FOREACH(const PAIRTYPE(void*, CLockLocation)& i, (*lockstack))
{
if (i.first == c) break;
std::pair<CCriticalSection*, CCriticalSection*> p1 = std::make_pair(i.first, c);
std::pair<void*, void*> p1 = std::make_pair(i.first, c);
if (lockorders.count(p1))
continue;
lockorders[p1] = (*lockstack);
std::pair<CCriticalSection*, CCriticalSection*> p2 = std::make_pair(c, i.first);
std::pair<void*, void*> p2 = std::make_pair(c, i.first);
if (lockorders.count(p2))
{
potential_deadlock_detected(p1, lockorders[p2], lockorders[p1]);
@@ -1188,9 +1188,9 @@ static void pop_lock()
dd_mutex.unlock();
}
void EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs)
void EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs, bool fTry)
{
push_lock(cs, CLockLocation(pszName, pszFile, nLine));
push_lock(cs, CLockLocation(pszName, pszFile, nLine), fTry);
}
void LeaveCritical()