diff options
| author | Matt Corallo <matt@bluematt.me> | 2012-01-07 12:12:39 -0500 |
|---|---|---|
| committer | Matt Corallo <matt@bluematt.me> | 2012-01-21 16:16:28 -0500 |
| commit | 198fb229a4196aebe264a9fb10558db394e386c5 (patch) | |
| tree | 75a3d9a1bdb906fd012689860ec1fd1b74df7a30 /src | |
| parent | 1240a1b0a82e0e944a6fdcf6ff26001e1bd68904 (diff) | |
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.
Diffstat (limited to 'src')
| -rw-r--r-- | src/util.cpp | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/util.cpp b/src/util.cpp index 67e1bf801a..6a4c2a2ef3 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -1153,7 +1153,18 @@ static void pop_lock() 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 @@ bool CCriticalSection::TryEnter(const char* pszName, const char* pszFile, int nL #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() |