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Merge pull request #156 from Chilledheart/print_pthread_info

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Print pthread_t in a more safe way
This commit is contained in:
Igor Canadi 2014-05-21 10:26:09 -07:00
commit 220132b65e
1 changed files with 12 additions and 2 deletions
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14
util/env_posix.cc
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@ -94,6 +94,17 @@ static Status IOError(const std::string& context, int err_number) {
return Status::IOError(context, strerror(err_number)); return Status::IOError(context, strerror(err_number));
} }
// TODO(sdong): temp logging. Need to help debugging. Remove it when
// the feature is proved to be stable.
inline void PrintThreadInfo(size_t thread_id, pthread_t id) {
unsigned char* ptc = (unsigned char*)(void*)(&id);
fprintf(stdout, "Bg thread %zu terminates 0x", thread_id);
for (size_t i = 0; i < sizeof(id); i++) {
fprintf(stdout, "%02x", (unsigned)(ptc[i]));
}
fprintf(stdout, "\n");
}
#ifdef NDEBUG #ifdef NDEBUG
// empty in release build // empty in release build
#define TEST_KILL_RANDOM(rocksdb_kill_odds) #define TEST_KILL_RANDOM(rocksdb_kill_odds)
@ -1514,8 +1525,7 @@ class PosixEnv : public Env {
PthreadCall("unlock", pthread_mutex_unlock(&mu_)); PthreadCall("unlock", pthread_mutex_unlock(&mu_));
// TODO(sdong): temp logging. Need to help debugging. Remove it when // TODO(sdong): temp logging. Need to help debugging. Remove it when
// the feature is proved to be stable. // the feature is proved to be stable.
fprintf(stdout, "Bg thread %zu terminates %llx\n", thread_id, PrintThreadInfo(thread_id, terminating_thread);
static_cast<long long unsigned int>(terminating_thread));
break; break;
} }
void (*function)(void*) = queue_.front().function; void (*function)(void*) = queue_.front().function;