Minor cleanups, log fds (#1310)

src/scheduler.cpp

@@ -51,22 +51,13 @@ void CScheduler::serviceQueue()
 
             // Wait until either there is a new task, or until
             // the time of the first item on the queue:
-
-// wait_until needs boost 1.50 or later; older versions have timed_wait:
-#if BOOST_VERSION < 105000
-            while (!shouldStop() && !taskQueue.empty() &&
-                   newTaskScheduled.timed_wait(lock, toPosixTime(taskQueue.begin()->first))) {
-                // Keep waiting until timeout
-            }
-#else
             // Some boost versions have a conflicting overload of wait_until that returns void.
             // Explicitly use a template here to avoid hitting that overload.
             while (!shouldStop() && !taskQueue.empty()) {
                 boost::chrono::system_clock::time_point timeToWaitFor = taskQueue.begin()->first;
                 if (newTaskScheduled.wait_until<>(lock, timeToWaitFor) == boost::cv_status::timeout)
                     break; // Exit loop after timeout, it means we reached the time of the event
             }
-#endif
             // If there are multiple threads, the queue can empty while we're waiting (another
             // thread may service the task we were waiting on).
             if (shouldStop() || taskQueue.empty())

src/util/system.cpp

@@ -1058,8 +1058,11 @@ int RaiseFileDescriptorLimit(int nMinFD) {
             setrlimit(RLIMIT_NOFILE, &limitFD);
             getrlimit(RLIMIT_NOFILE, &limitFD);
         }
+        LogPrintf("conf: fd limit: req: %d, set %d, max: %d\n",
+            nMinFD, limitFD.rlim_cur, limitFD.rlim_max);
         return limitFD.rlim_cur;
     }
+    LogPrintf("conf: fd limit: %d, max: unknown\n", nMinFD);
     return nMinFD; // getrlimit failed, assume it's fine
 #endif
 }

src/util/threadnames.cpp

@@ -57,6 +57,6 @@ static void SetInternalName(std::string name) { }
 
 void util::ThreadRename(std::string&& name)
 {
-    SetThreadName(("defi-" + name).c_str());
+    SetThreadName(("defid-" + name).c_str());
     SetInternalName(std::move(name));
 }