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Support for parametrized locks in deadlock detector

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This commit is contained in:
Pieter Wuille 2012-04-07 18:29:31 +02:00
parent f8dcd5ca6f
commit 908037fe16
1 changed files with 9 additions and 9 deletions
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18
src/util.cpp
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@ -1115,25 +1115,25 @@ private:
int sourceLine; 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 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 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("POTENTIAL DEADLOCK DETECTED\n");
printf("Previous lock order was:\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.first) printf(" (1)");
if (i.first == mismatch.second) printf(" (2)"); if (i.first == mismatch.second) printf(" (2)");
printf(" %s\n", i.second.ToString().c_str()); printf(" %s\n", i.second.ToString().c_str());
} }
printf("Current lock order is:\n"); 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.first) printf(" (1)");
if (i.first == mismatch.second) printf(" (2)"); if (i.first == mismatch.second) printf(" (2)");
@ -1141,7 +1141,7 @@ 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 fOrderOK = true; bool fOrderOK = true;
if (lockstack.get() == NULL) if (lockstack.get() == NULL)
@ -1152,16 +1152,16 @@ static void push_lock(CCriticalSection* c, const CLockLocation& locklocation)
(*lockstack).push_back(std::make_pair(c, locklocation)); (*lockstack).push_back(std::make_pair(c, locklocation));
BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, (*lockstack)) BOOST_FOREACH(const PAIRTYPE(void*, CLockLocation)& i, (*lockstack))
{ {
if (i.first == c) break; 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)) if (lockorders.count(p1))
continue; continue;
lockorders[p1] = (*lockstack); 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)) if (lockorders.count(p2))
{ {
potential_deadlock_detected(p1, lockorders[p2], lockorders[p1]); potential_deadlock_detected(p1, lockorders[p2], lockorders[p1]);