[2202] small style fixes

- long/short lines
- position of ++/--
- spacing
- namespace

src/lib/util/threads/tests/lock_unittest.cc

@@ -55,8 +55,8 @@ TEST(MutexTest, lockMultiple) {
 // tests fail then with rather cryptic messages, memory dumps and stuff).
 // Any idea how to make the test work and reasonably safe?
 TEST(MutexTest, DISABLED_destroyLocked) {
-    // TODO: This probably won't work for non-debug mutexes. Disable on non-debug
-    // compilation.
+    // TODO: This probably won't work for non-debug mutexes. Disable on
+    // non-debug compilation.
     Mutex* mutex = new Mutex;
     new Mutex::Locker(*mutex);
     EXPECT_THROW(delete mutex, isc::InvalidOperation);
@@ -86,11 +86,10 @@ const unsigned long long length = 1000;
 const unsigned long long iterations = 10000;
 const unsigned long long value = 2000;
 void
-performStrangeOperation(long long unsigned* array, int direction,
-                        Mutex* mutex)
+performStrangeOperation(long long unsigned* array, int direction, Mutex* mutex)
 {
     unsigned long long position = 0;
-    for (size_t i = 0; i < iterations; i ++) {
+    for (size_t i = 0; i < iterations; ++i) {
         Mutex::Locker lock(*mutex);
         while (array[position % length] < value) {
             position += direction;
@@ -102,8 +101,8 @@ performStrangeOperation(long long unsigned* array, int direction,
             if (p2 % length == position % length) {
                 continue;
             }
-            array[p2 % length] ++;
-            value --;
+            ++array[p2 % length];
+            --value;
         }
         array[position % length] = 0;
     }
@@ -113,7 +112,7 @@ TEST(MutexTest, swarm) {
     // This type has a low chance of being atomic itself, further raising
     // the chance of problems appearing.
     long long unsigned array[length];
-    for (size_t i = 0; i < length; ++ i) {
+    for (size_t i = 0; i < length; ++i) {
         array[i] = value;
     }
     Mutex mutex;
@@ -122,7 +121,7 @@ TEST(MutexTest, swarm) {
     t1.wait();
     t2.wait();
     long long unsigned sum = 0;
-    for (size_t i = 0; i < length; ++ i) {
+    for (size_t i = 0; i < length; ++i) {
         sum += array[i];
     }
     EXPECT_EQ(length * value, sum) << "Threads are badly synchronized";

src/lib/util/threads/tests/thread_unittest.cc

@@ -29,12 +29,11 @@
 // started in parallel (the other tests wait for the previous one to terminate
 // before starting new one).
 
-const size_t iterations = 200;
-const size_t detached_iterations = 25;
-
 using namespace isc::util::thread;
 
 namespace {
+const size_t iterations = 200;
+const size_t detached_iterations = 25;
 
 void
 doSomething(int* x) {

src/lib/util/threads/thread.cc

@@ -113,8 +113,7 @@ Thread::~Thread() {
         const int result = pthread_detach(impl_->tid);
         Impl::done(impl_);
         impl_ = NULL;
-        // If the detach ever fails, something is screwed rather
-        // badly.
+        // If the detach ever fails, something is screwed rather badly.
         assert(result == 0);
     }
 }