Mercurial > hg > bitcoin
changeset 1776:c25505b7a486 draft
Add DEBUG_LOCKCONTENTION, to warn each time a thread waits to lock.
If compiled with -DDEBUG_LOCKCONTENTION, Bitcoin will print to
debug.log each time a thread has to wait for a lock to continue.
| author | Matt Corallo <matt@bluematt.me> |
|---|---|
| date | Sat, 07 Jan 2012 12:12:39 -0500 |
| parents | 226d9590a602 |
| children | 785b4766b44d |
| files | src/util.cpp |
| diffstat | 1 files changed, 22 insertions(+), 1 deletions(-) [+] |
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--- a/src/util.cpp +++ b/src/util.cpp @@ -1153,7 +1153,18 @@ void CCriticalSection::Enter(const char* pszName, const char* pszFile, int nLine) { push_lock(this, CLockLocation(pszName, pszFile, nLine)); +#ifdef DEBUG_LOCKCONTENTION + bool result = mutex.try_lock(); + if (!result) + { + printf("LOCKCONTENTION: %s\n", pszName); + printf("Locker: %s:%d\n", pszFile, nLine); + mutex.lock(); + printf("Locked\n"); + } +#else mutex.lock(); +#endif } void CCriticalSection::Leave() { @@ -1170,9 +1181,19 @@ #else -void CCriticalSection::Enter(const char*, const char*, int) +void CCriticalSection::Enter(const char* pszName, const char* pszFile, int nLine) { +#ifdef DEBUG_LOCKCONTENTION + bool result = mutex.try_lock(); + if (!result) + { + printf("LOCKCONTENTION: %s\n", pszName); + printf("Locker: %s:%d\n", pszFile, nLine); + mutex.lock(); + } +#else mutex.lock(); +#endif } void CCriticalSection::Leave()