Set SpacesInLineCommentPrefix to 1 in /util

Set SpacesInLineCommentPrefix to 1 in /util
3853f9ec5143722c1bebd8dc0ffc9b61a6c17657

35 files changed, 90 insertions, 90 deletions

diff --git a/util/system/backtrace.cpp b/util/system/backtrace.cpp
index f8d37e8443..8cc93cd3ce 100644
--- a/util/system/backtrace.cpp
+++ b/util/system/backtrace.cpp
@@ -17,7 +17,7 @@
 #endif
 
 #if defined(_bionic_)
-//TODO
+// TODO
 #else
     #if !defined(HAVE_BACKTRACE) && defined(_cygwin_)
         #define CaptureStackBackTrace RtlCaptureStackBackTrace
diff --git a/util/system/backtrace_ut.cpp b/util/system/backtrace_ut.cpp
index 9b5ead71bc..b2de5e3957 100644
--- a/util/system/backtrace_ut.cpp
+++ b/util/system/backtrace_ut.cpp
@@ -56,7 +56,7 @@ class TBackTraceTest: public TTestBase {
     }
 
     void TestBackTrace() {
-        //PrintBackTrace();
+        // PrintBackTrace();
         void* buf1[100];
         size_t ret1;
 
diff --git a/util/system/byteorder.h b/util/system/byteorder.h
index 94b9fea515..d408b2a1a4 100644
--- a/util/system/byteorder.h
+++ b/util/system/byteorder.h
@@ -2,7 +2,7 @@
 
 #include "defaults.h"
 
-//#define USE_GENERIC_ENDIAN_CVT
+// #define USE_GENERIC_ENDIAN_CVT
 
 #if defined(_linux_) && !defined(USE_GENERIC_ENDIAN_CVT)
     #include <byteswap.h>
@@ -66,7 +66,7 @@ inline ui64 SwapBytes64(ui64 val) noexcept {
 }
 #endif
 
-//for convenience
+// for convenience
 static inline ui8 SwapBytes8(ui8 v) noexcept {
     return v;
 }
diff --git a/util/system/compat.h b/util/system/compat.h
index 437e287497..119b3a2d5f 100644
--- a/util/system/compat.h
+++ b/util/system/compat.h
@@ -24,8 +24,8 @@ extern "C" {
 
     #define SIGQUIT SIGBREAK // instead of 3
     #define SIGKILL SIGTERM  // instead of 9
-    #define SIGPIPE 13       //will not receive under win?
-    #define SIGALRM 14       //will not receive under win?
+    #define SIGPIPE 13       // will not receive under win?
+    #define SIGALRM 14       // will not receive under win?
 #endif
 
 #if defined(__FreeBSD__) || defined(_darwin_)
diff --git a/util/system/compiler.h b/util/system/compiler.h
index a076c0308c..0c730eae4d 100644
--- a/util/system/compiler.h
+++ b/util/system/compiler.h
@@ -132,7 +132,7 @@
     #endif
 #endif
 
-//to cheat compiler about strict aliasing or similar problems
+// to cheat compiler about strict aliasing or similar problems
 #if defined(__GNUC__)
     #define Y_FAKE_READ(X)                  \
         do {                                \
diff --git a/util/system/condvar.cpp b/util/system/condvar.cpp
index b4d748e4e9..9bc8fdd060 100644
--- a/util/system/condvar.cpp
+++ b/util/system/condvar.cpp
@@ -39,7 +39,7 @@ namespace {
 
         inline void BroadCast() noexcept {
             with_lock (Lock_) {
-                //TODO
+                // TODO
                 while (!Events_.Empty()) {
                     Events_.PopFront()->Signal();
                 }
diff --git a/util/system/condvar.h b/util/system/condvar.h
index 569162717c..a030528353 100644
--- a/util/system/condvar.h
+++ b/util/system/condvar.h
@@ -55,7 +55,7 @@ public:
         WaitD(m, TInstant::Max(), std::move(pred));
     }
 
-    //deprecated
+    // deprecated
     inline void Wait(TMutex& m) noexcept {
         WaitI(m);
     }
diff --git a/util/system/cpu_id_ut.cpp b/util/system/cpu_id_ut.cpp
index 68f1f8aac7..6faed95aba 100644
--- a/util/system/cpu_id_ut.cpp
+++ b/util/system/cpu_id_ut.cpp
@@ -78,7 +78,7 @@ Y_UNIT_TEST_SUITE(TestCpuId) {
     Y_UNIT_TEST(TestCpuBrand) {
         ui32 store[12];
 
-        //Cout << CpuBrand(store) << Endl;;
+        // Cout << CpuBrand(store) << Endl;;
 
         UNIT_ASSERT(strlen(CpuBrand(store)) > 0);
     }
diff --git a/util/system/datetime.h b/util/system/datetime.h
index f2c2c9f8c8..724ffff394 100644
--- a/util/system/datetime.h
+++ b/util/system/datetime.h
@@ -27,7 +27,7 @@ inline ui64 millisec() {
 }
 /// Current time in seconds since epoch
 ui32 Seconds() noexcept;
-///Current thread time in microseconds
+/// Current thread time in microseconds
 ui64 ThreadCPUUserTime() noexcept;
 ui64 ThreadCPUSystemTime() noexcept;
 ui64 ThreadCPUTime() noexcept;
diff --git a/util/system/defaults.c b/util/system/defaults.c
index 75710009ac..90a367c781 100644
--- a/util/system/defaults.c
+++ b/util/system/defaults.c
@@ -1,2 +1,2 @@
-//test for C-compiler compileability
+// test for C-compiler compileability
 #include "defaults.h"
diff --git a/util/system/demangle_impl.h b/util/system/demangle_impl.h
index 081004f976..9184e1f560 100644
--- a/util/system/demangle_impl.h
+++ b/util/system/demangle_impl.h
@@ -18,4 +18,4 @@ namespace NPrivate {
         THolder<char, TFree> TmpBuf_;
     };
 
-} //namespace NPrivate
+} // namespace NPrivate
diff --git a/util/system/event.cpp b/util/system/event.cpp
index 42311d4835..9bb27aed2c 100644
--- a/util/system/event.cpp
+++ b/util/system/event.cpp
@@ -37,7 +37,7 @@ public:
         const TInstant now = Now();
 
         if (now < deadLine) {
-            //TODO
+            // TODO
             return WaitForSingleObject(cond, (deadLine - now).MilliSeconds()) == WAIT_OBJECT_0;
         }
 
diff --git a/util/system/event.h b/util/system/event.h
index cab2fc478a..e4dc699672 100644
--- a/util/system/event.h
+++ b/util/system/event.h
@@ -46,7 +46,7 @@ public:
         WaitD(TInstant::Max());
     }
 
-    //return true if signaled, false if timed out.
+    // return true if signaled, false if timed out.
     inline bool Wait(ui32 timer) noexcept {
         return WaitT(TDuration::MilliSeconds(timer));
     }
diff --git a/util/system/file.cpp b/util/system/file.cpp
index 30bba71a03..1f029a71f9 100644
--- a/util/system/file.cpp
+++ b/util/system/file.cpp
@@ -297,7 +297,7 @@ TFileHandle::TFileHandle(const std::filesystem::path& path, EOpenMode oMode) noe
     }
     #endif
 
-    //temp file
+    // temp file
     if (Fd_ >= 0 && (oMode & Transient)) {
         std::filesystem::remove(path);
     }
@@ -670,7 +670,7 @@ bool TFileHandle::LinkTo(const TFileHandle& fh) const noexcept {
         return false;
     }
 
-    //not thread-safe
+    // not thread-safe
     nh.Swap(*const_cast<TFileHandle*>(this));
 
     return true;
@@ -1336,7 +1336,7 @@ void TFile::LinkTo(const TFile& f) const {
 }
 
 TFile TFile::Temporary(const TString& prefix) {
-    //TODO - handle impossible case of name collision
+    // TODO - handle impossible case of name collision
     return TFile(prefix + ToString(MicroSeconds()) + "-" + ToString(RandomNumber<ui64>()), CreateNew | RdWr | Seq | Temp | Transient);
 }
 
diff --git a/util/system/file.h b/util/system/file.h
index 57531fd8c9..ae73bb79c6 100644
--- a/util/system/file.h
+++ b/util/system/file.h
@@ -120,7 +120,7 @@ public:
     bool FallocateNoResize(i64 length) noexcept;
     bool ShrinkToFit() noexcept;
     bool Flush() noexcept;
-    //flush data only, without file metadata
+    // flush data only, without file metadata
     bool FlushData() noexcept;
     i32 Read(void* buffer, ui32 byteCount) noexcept;
     i32 Write(const void* buffer, ui32 byteCount) noexcept;
@@ -131,22 +131,22 @@ public:
     FHANDLE Duplicate() const noexcept;
     int Duplicate2Posix(int dstHandle) const noexcept;
 
-    //dup2 - like semantics, return true on success
+    // dup2 - like semantics, return true on success
     bool LinkTo(const TFileHandle& fh) const noexcept;
 
-    //very low-level methods
+    // very low-level methods
     bool SetDirect();
     void ResetDirect();
 
     /* Manual file cache management, length = 0 means "as much as possible" */
 
-    //measure amount of cached data in bytes, returns -1 if failed
+    // measure amount of cached data in bytes, returns -1 if failed
     i64 CountCache(i64 offset = 0, i64 length = 0) const noexcept;
-    //read data into cache and optionally wait for completion
+    // read data into cache and optionally wait for completion
     void PrefetchCache(i64 offset = 0, i64 length = 0, bool wait = true) const noexcept;
-    //remove clean and unused data from cache
+    // remove clean and unused data from cache
     void EvictCache(i64 offset = 0, i64 length = 0) const noexcept;
-    //flush unwritten data in this range and optionally wait for completion
+    // flush unwritten data in this range and optionally wait for completion
     bool FlushCache(i64 offset = 0, i64 length = 0, bool wait = true) noexcept;
 
 private:
@@ -207,19 +207,19 @@ public:
 
     void Flock(int op);
 
-    //do not use, their meaning very platform-dependant
+    // do not use, their meaning very platform-dependant
     void SetDirect();
     void ResetDirect();
 
     /* Manual file cache management, length = 0 means "as much as possible" */
 
-    //measure amount of cached data in bytes, returns -1 if failed
+    // measure amount of cached data in bytes, returns -1 if failed
     i64 CountCache(i64 offset = 0, i64 length = 0) const noexcept;
-    //read data into cache and optionally wait for completion
+    // read data into cache and optionally wait for completion
     void PrefetchCache(i64 offset = 0, i64 length = 0, bool wait = true) const noexcept;
-    //remove clean and unused data from cache, incomplete pages could stay
+    // remove clean and unused data from cache, incomplete pages could stay
     void EvictCache(i64 offset = 0, i64 length = 0) const noexcept;
-    //flush unwritten data in this range and optionally wait for completion
+    // flush unwritten data in this range and optionally wait for completion
     void FlushCache(i64 offset = 0, i64 length = 0, bool wait = true);
 
     static TFile Temporary(const TString& prefix);
diff --git a/util/system/filemap.cpp b/util/system/filemap.cpp
index 8e25d84928..92b6e9902a 100644
--- a/util/system/filemap.cpp
+++ b/util/system/filemap.cpp
@@ -300,7 +300,7 @@ public:
 
     void Evict() {
 #if defined(_unix_)
-//        Evict(PtrStart_, Length_);
+// Evict(PtrStart_, Length_);
 #endif
     }
 
diff --git a/util/system/filemap_ut.cpp b/util/system/filemap_ut.cpp
index 1305e34995..cfa13b8b4f 100644
--- a/util/system/filemap_ut.cpp
+++ b/util/system/filemap_ut.cpp
@@ -127,9 +127,9 @@ Y_UNIT_TEST_SUITE(TFileMapTest) {
     }
 
 #if defined(_asan_enabled_) || defined(_msan_enabled_)
-//setrlimit incompatible with asan runtime
+// setrlimit incompatible with asan runtime
 #elif defined(_cygwin_)
-//cygwin is not real unix :(
+// cygwin is not real unix :(
 #else
     Y_UNIT_TEST(TestNotGreedy) {
         unsigned page[4096 / sizeof(unsigned)];
diff --git a/util/system/fs.cpp b/util/system/fs.cpp
index 808bc0b7b6..0e5ffe4e41 100644
--- a/util/system/fs.cpp
+++ b/util/system/fs.cpp
@@ -88,7 +88,7 @@ bool NFs::MakeDirectoryRecursive(const TString& path, EFilePermissions mode, boo
         }
         return true;
     } else {
-        //NOTE: recursion is finite due to existence of "." and "/"
+        // NOTE: recursion is finite due to existence of "." and "/"
         if (!NFs::MakeDirectoryRecursive(TFsPath(path).Parent(), mode, false)) {
             return false;
         }
diff --git a/util/system/fs_ut.cpp b/util/system/fs_ut.cpp
index ddee6670a8..2df9a3b2a4 100644
--- a/util/system/fs_ut.cpp
+++ b/util/system/fs_ut.cpp
@@ -6,7 +6,7 @@
 #include "fstat.h"
 #include <util/folder/path.h>
 
-//WARNING: on windows the test must be run with administative rules
+// WARNING: on windows the test must be run with administative rules
 
 class TFsTest: public TTestBase {
     UNIT_TEST_SUITE(TFsTest);
@@ -45,7 +45,7 @@ void TFsTest::TestCreateRemove() {
 
     UNIT_ASSERT(NFs::Exists(dir1));
     TFsPath subdir1 = dir1 / "a" / "b";
-    //TFsPath link = dir1 / "link";
+    // TFsPath link = dir1 / "link";
 
     UNIT_ASSERT(NFs::MakeDirectoryRecursive(subdir1, NFs::FP_COMMON_FILE, true));
     UNIT_ASSERT(NFs::Exists(subdir1));
@@ -59,7 +59,7 @@ void TFsTest::TestCreateRemove() {
     Touch(file1);
     Touch(file2);
     Touch(file3);
-    //UNIT_ASSERT(NFs::SymLink(file3.RealPath(), link));
+    // UNIT_ASSERT(NFs::SymLink(file3.RealPath(), link));
 
     UNIT_ASSERT(NFs::MakeDirectoryRecursive(dir1 / "subdir1" / "subdir2" / "subdir3" / "subdir4", NFs::FP_COMMON_FILE, false));
     UNIT_ASSERT(NFs::MakeDirectoryRecursive(dir1 / "subdir1" / "subdir2", NFs::FP_COMMON_FILE, false));
@@ -80,7 +80,7 @@ void TFsTest::TestCreateRemove() {
     UNIT_ASSERT(NFs::Exists(file1));
     UNIT_ASSERT(NFs::Exists(file2));
     UNIT_ASSERT(NFs::Exists(file3));
-    //UNIT_ASSERT(NFs::Exists(link));
+    // UNIT_ASSERT(NFs::Exists(link));
 
     UNIT_ASSERT(!NFs::Remove(dir1));
     NFs::RemoveRecursive(dir1);
@@ -88,7 +88,7 @@ void TFsTest::TestCreateRemove() {
     UNIT_ASSERT(!NFs::Exists(file1));
     UNIT_ASSERT(!NFs::Exists(file2));
     UNIT_ASSERT(!NFs::Exists(file3));
-    //UNIT_ASSERT(!NFs::Exists(link));
+    // UNIT_ASSERT(!NFs::Exists(link));
     UNIT_ASSERT(!NFs::Exists(subdir1));
     UNIT_ASSERT(!NFs::Exists(longfile));
     UNIT_ASSERT(!NFs::Exists(dir1));
@@ -186,7 +186,7 @@ static void RunHardlinkTest(const TFsPath& src, const TFsPath& dst) {
 
 void TFsTest::TestHardlink() {
     RunHardlinkTest("tempfile", "hardlinkfile");
-    RunHardlinkTest("tempfile_абвг", "hardlinkfile_абвг"); //utf-8 names
+    RunHardlinkTest("tempfile_абвг", "hardlinkfile_абвг"); // utf-8 names
 }
 
 static void RunSymLinkTest(TString fileLocalName, TString symLinkName) {
@@ -240,7 +240,7 @@ static void RunSymLinkTest(TString fileLocalName, TString symLinkName) {
     {
         TFileStat fs(linkD1, true);
         UNIT_ASSERT(!fs.IsFile());
-        //UNIT_ASSERT(fs.IsDir()); // failed on unix
+        // UNIT_ASSERT(fs.IsDir()); // failed on unix
         UNIT_ASSERT(fs.IsSymlink());
     }
     {
@@ -253,7 +253,7 @@ static void RunSymLinkTest(TString fileLocalName, TString symLinkName) {
 
     {
         TFileStat fs(symLinkName, true);
-        //UNIT_ASSERT(fs.IsFile()); // no evidence that symlink has to be a file as well
+        // UNIT_ASSERT(fs.IsFile()); // no evidence that symlink has to be a file as well
         UNIT_ASSERT(!fs.IsDir());
         UNIT_ASSERT(fs.IsSymlink());
     }
@@ -277,7 +277,7 @@ static void RunSymLinkTest(TString fileLocalName, TString symLinkName) {
 void TFsTest::TestSymlink() {
     // if previous running was failed
     RunSymLinkTest("f.txt", "fl.txt");
-    RunSymLinkTest("f_абвг.txt", "fl_абвг.txt"); //utf-8 names
+    RunSymLinkTest("f_абвг.txt", "fl_абвг.txt"); // utf-8 names
 }
 
 void TFsTest::TestCwdOpts() {
diff --git a/util/system/fs_win.cpp b/util/system/fs_win.cpp
index 16a87ff385..7f75d1e8b2 100644
--- a/util/system/fs_win.cpp
+++ b/util/system/fs_win.cpp
@@ -225,7 +225,7 @@ namespace NFsPrivate {
             size_t len = rdb->MountPointReparseBuffer.SubstituteNameLength / sizeof(wchar16);
             return WideToUTF8(str, len);
         }
-        //this reparse point is unsupported in arcadia
+        // this reparse point is unsupported in arcadia
         return TString();
     }
 
@@ -236,7 +236,7 @@ namespace NFsPrivate {
     }
 
     // we can't use this function to get an analog of unix inode due to a lot of NTFS folders do not have this GUID
-    //(it will be 'create' case really)
+    // (it will be 'create' case really)
     /*
 bool GetObjectId(const char* path, GUID* id) {
     TFileHandle h = CreateFileWithUtf8Name(path, 0, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
diff --git a/util/system/fstat_ut.cpp b/util/system/fstat_ut.cpp
index 300f76d7e6..0438063179 100644
--- a/util/system/fstat_ut.cpp
+++ b/util/system/fstat_ut.cpp
@@ -52,7 +52,7 @@ Y_UNIT_TEST_SUITE(TestFileStat) {
         UNIT_ASSERT(!fs.IsFile());
         UNIT_ASSERT(fs.IsDir());
         UNIT_ASSERT(!fs.IsSymlink());
-        //UNIT_ASSERT(fs.Size == 0); // it fails under unix
+        // UNIT_ASSERT(fs.Size == 0); // it fails under unix
         UNIT_ASSERT(NFs::Remove("tmpd"));
         fs = TFileStat("tmpd");
         UNIT_ASSERT(!fs.IsFile());
diff --git a/util/system/guard.h b/util/system/guard.h
index b6ca45fff6..2b4192c01a 100644
--- a/util/system/guard.h
+++ b/util/system/guard.h
@@ -21,7 +21,7 @@ struct TTryLockOps: public TCommonLockOps<T> {
     }
 };
 
-//must be used with great care
+// must be used with great care
 template <class TOps>
 struct TInverseLockOps: public TOps {
     template <class T>
diff --git a/util/system/info.cpp b/util/system/info.cpp
index 59a8ab0e0b..9a4997f549 100644
--- a/util/system/info.cpp
+++ b/util/system/info.cpp
@@ -19,7 +19,7 @@
 #endif
 
 #if defined(_bionic_)
-//TODO
+// TODO
 #elif defined(_cygwin_)
 static int getloadavg(double* loadavg, int nelem) {
     for (int i = 0; i < nelem; ++i) {
diff --git a/util/system/mem_info.cpp b/util/system/mem_info.cpp
index 90ed353a59..75f2c1c493 100644
--- a/util/system/mem_info.cpp
+++ b/util/system/mem_info.cpp
@@ -119,7 +119,7 @@ namespace NMemInfo {
         result.RSS = FromString<ui64>(statsiter.NextTok(' ')) * pagesize;
 
         #if defined(_cygwin_)
-        //cygwin not very accurate
+        // cygwin not very accurate
         result.VMS = Max(result.VMS, result.RSS);
         #endif
     #elif defined(_freebsd_)
diff --git a/util/system/mlock.h b/util/system/mlock.h
index 41a9e4457e..7fe36095f9 100644
--- a/util/system/mlock.h
+++ b/util/system/mlock.h
@@ -4,11 +4,11 @@
 
 #include <util/generic/flags.h>
 
-//on some systems (not win, freebd, linux, but darwin (Mac OS X)
-//multiple mlock calls on the same address range
-//require the corresponding number of munlock calls to actually unlock the pages
+// on some systems (not win, freebd, linux, but darwin (Mac OS X)
+// multiple mlock calls on the same address range
+// require the corresponding number of munlock calls to actually unlock the pages
 
-//on some systems you must have privilege and resource limit
+// on some systems you must have privilege and resource limit
 
 void LockMemory(const void* addr, size_t len);
 void UnlockMemory(const void* addr, size_t len);
diff --git a/util/system/mutex.h b/util/system/mutex.h
index 2899ed9a50..39d245b09c 100644
--- a/util/system/mutex.h
+++ b/util/system/mutex.h
@@ -55,7 +55,7 @@ public:
         Release();
     }
 
-    //return opaque pointer to real handler
+    // return opaque pointer to real handler
     void* Handle() const noexcept;
 
 private:
diff --git a/util/system/pipe.h b/util/system/pipe.h
index 75d0360049..1bf8f9082a 100644
--- a/util/system/pipe.h
+++ b/util/system/pipe.h
@@ -2,7 +2,7 @@
 
 #ifdef __GNUC__
     #pragma GCC diagnostic push
-    #pragma GCC diagnostic ignored "-Warray-bounds" //need because of bug in gcc4.9.2
+    #pragma GCC diagnostic ignored "-Warray-bounds" // need because of bug in gcc4.9.2
 #endif
 
 #include "defaults.h"
diff --git a/util/system/rwlock.cpp b/util/system/rwlock.cpp
index d4664d72d6..9faff9df5f 100644
--- a/util/system/rwlock.cpp
+++ b/util/system/rwlock.cpp
@@ -11,7 +11,7 @@
     #include "mutex.h"
     #include "condvar.h"
 
-//darwin rwlocks not recursive
+// darwin rwlocks not recursive
 class TRWMutex::TImpl {
 public:
     TImpl();
diff --git a/util/system/sem.cpp b/util/system/sem.cpp
index 1825ac3093..96affec792 100644
--- a/util/system/sem.cpp
+++ b/util/system/sem.cpp
@@ -16,7 +16,7 @@
     #if defined(_bionic_) || defined(_darwin_) && defined(_arm_)
         #include <fcntl.h>
     #else
-        #define USE_SYSV_SEMAPHORES //unixoids declared the standard but not implemented it...
+        #define USE_SYSV_SEMAPHORES // unixoids declared the standard but not implemented it...
     #endif
 #endif
 
@@ -83,7 +83,7 @@ namespace {
             Handle = ::CreateSemaphore(0, max_free_count, max_free_count, key);
 #else
     #ifdef USE_SYSV_SEMAPHORES
-            key_t key = TPCGMixer::Mix(CityHash64(name, strlen(name))); //32 bit hash
+            key_t key = TPCGMixer::Mix(CityHash64(name, strlen(name))); // 32 bit hash
             Handle = semget(key, 0, 0);                                 // try to open exist semaphore
             if (Handle == -1) {                                         // create new semaphore
                 Handle = semget(key, 1, 0666 | IPC_CREAT);
@@ -110,8 +110,8 @@ namespace {
 #else
     #ifdef USE_SYSV_SEMAPHORES
     // we DO NOT want 'semctl(Handle, 0, IPC_RMID)' for multiprocess tasks;
-    //struct sembuf ops[] = {{0, 0, IPC_NOWAIT}};
-    //if (semop(Handle, ops, 1) != 0) // close only if semaphore's value is zero
+    // struct sembuf ops[] = {{0, 0, IPC_NOWAIT}};
+    // if (semop(Handle, ops, 1) != 0) // close only if semaphore's value is zero
     //    semctl(Handle, 0, IPC_RMID);
     #else
             sem_close(Handle); // we DO NOT want sem_unlink(...)
@@ -133,8 +133,8 @@ namespace {
 #endif
         }
 
-        //The UNIX semaphore object does not support a timed "wait", and
-        //hence to maintain consistancy, for win32 case we use INFINITE or 0 timeout.
+        // The UNIX semaphore object does not support a timed "wait", and
+        // hence to maintain consistancy, for win32 case we use INFINITE or 0 timeout.
         inline void Acquire() noexcept {
 #ifdef _win_
             Y_ABORT_UNLESS(::WaitForSingleObject(Handle, INFINITE) == WAIT_OBJECT_0, "can not acquire semaphore");
diff --git a/util/system/sem.h b/util/system/sem.h
index 0c964ad6b6..e37799d148 100644
--- a/util/system/sem.h
+++ b/util/system/sem.h
@@ -4,20 +4,20 @@
 
 #include <util/generic/ptr.h>
 
-//named sempahore
+// named sempahore
 class TSemaphore {
 public:
     TSemaphore(const char* name, ui32 maxFreeCount);
     ~TSemaphore();
 
-    //Increase the semaphore counter.
+    // Increase the semaphore counter.
     void Release() noexcept;
 
-    //Keep a thread held while the semaphore counter is equal 0.
+    // Keep a thread held while the semaphore counter is equal 0.
     void Acquire() noexcept;
 
-    //Try to enter the semaphore gate. A non-blocking variant of Acquire.
-    //Returns 'true' if the semaphore counter decreased
+    // Try to enter the semaphore gate. A non-blocking variant of Acquire.
+    // Returns 'true' if the semaphore counter decreased
     bool TryAcquire() noexcept;
 
 private:
@@ -25,7 +25,7 @@ private:
     THolder<TImpl> Impl_;
 };
 
-//unnamed semaphore, faster, than previous
+// unnamed semaphore, faster, than previous
 class TFastSemaphore {
 public:
     TFastSemaphore(ui32 maxFreeCount);
diff --git a/util/system/shmat.cpp b/util/system/shmat.cpp
index f10a1268e7..13fd4c236c 100644
--- a/util/system/shmat.cpp
+++ b/util/system/shmat.cpp
@@ -102,7 +102,7 @@ static void FormatName(char* buf, const TGUID& id) {
 }
 
 bool TSharedMemory::Open(const TGUID& id, int size) {
-    //Y_ASSERT(Data == 0);
+    // Y_ASSERT(Data == 0);
     Id = id;
     Size = size;
 
@@ -117,7 +117,7 @@ bool TSharedMemory::Open(const TGUID& id, int size) {
     Data = MapViewOfFile(Handle, FILE_MAP_ALL_ACCESS, 0, 0, size);
 
     if (Data == 0) {
-        //Y_ASSERT(0);
+        // Y_ASSERT(0);
         CloseHandle(Handle);
         Handle = INVALID_OS_HANDLE;
 
@@ -128,7 +128,7 @@ bool TSharedMemory::Open(const TGUID& id, int size) {
 }
 
 bool TSharedMemory::Create(int size) {
-    //Y_ASSERT(Data == 0);
+    // Y_ASSERT(Data == 0);
     Size = size;
 
     CreateGuid(&Id);
@@ -138,14 +138,14 @@ bool TSharedMemory::Create(int size) {
     Handle = CreateFileMappingA(INVALID_OS_HANDLE, nullptr, PAGE_READWRITE, 0, size, name);
 
     if (Handle == 0) {
-        //Y_ASSERT(0);
+        // Y_ASSERT(0);
         return false;
     }
 
     Data = MapViewOfFile(Handle, FILE_MAP_ALL_ACCESS, 0, 0, size);
 
     if (Data == 0) {
-        //Y_ASSERT(0);
+        // Y_ASSERT(0);
         CloseHandle(Handle);
         Handle = INVALID_OS_HANDLE;
 
@@ -172,7 +172,7 @@ static key_t GetKey(const TGUID& id) {
 bool TSharedMemory::Open(const TGUID& id, int size) {
     Y_ABORT_UNLESS(id, "invalid shared memory guid: %s", GetGuidAsString(id).data());
 
-    //Y_ASSERT(Data == 0);
+    // Y_ASSERT(Data == 0);
     Size = size;
 
     key_t k = GetKey(id);
@@ -185,7 +185,7 @@ bool TSharedMemory::Open(const TGUID& id, int size) {
     Data = shmat(shmId, nullptr, 0);
 
     if (Data == nullptr) {
-        //Y_ASSERT(0);
+        // Y_ASSERT(0);
         return false;
     }
 
@@ -193,7 +193,7 @@ bool TSharedMemory::Open(const TGUID& id, int size) {
 }
 
 bool TSharedMemory::Create(int size) {
-    //Y_ASSERT(Data == 0);
+    // Y_ASSERT(Data == 0);
     Size = size;
 
     CreateGuid(&Id);
@@ -202,14 +202,14 @@ bool TSharedMemory::Create(int size) {
     Handle = shmget(k, Size, IPC_CREAT | IPC_EXCL | 0777);
 
     if (Handle < 0) {
-        //Y_ASSERT(0);
+        // Y_ASSERT(0);
         return false;
     }
 
     Data = shmat(Handle, nullptr, 0);
 
     if (Data == (void*)-1) {
-        //Y_ASSERT(0);
+        // Y_ASSERT(0);
         shmctl(Handle, IPC_RMID, nullptr);
         Handle = -1;
 
diff --git a/util/system/spin_wait.cpp b/util/system/spin_wait.cpp
index ba12529111..fed173f307 100644
--- a/util/system/spin_wait.cpp
+++ b/util/system/spin_wait.cpp
@@ -16,7 +16,7 @@ namespace {
         return (t * 4 + (rndNum % t) * 2) / 5;
     }
 
-    //arbitrary values
+    // arbitrary values
     constexpr unsigned MIN_SLEEP_TIME = 500;
     constexpr unsigned MAX_SPIN_COUNT = 0x7FF;
 }
diff --git a/util/system/thread.cpp b/util/system/thread.cpp
index 8b0d988d23..a845fd4236 100644
--- a/util/system/thread.cpp
+++ b/util/system/thread.cpp
@@ -135,7 +135,7 @@ namespace {
             {
                 TParamsRef p((TMyParams*)(ptr));
 
-                //drop counter, gotten in Start()
+                // drop counter, gotten in Start()
                 p->UnRef();
 
                 SetThrName(*p);
@@ -146,7 +146,7 @@ namespace {
         }
 
         inline void Start() {
-            //do not do this, kids, at home
+            // do not do this, kids, at home
             P_->Ref();
     #if _WIN32_WINNT < 0x0502
             Handle = reinterpret_cast<HANDLE>(::_beginthreadex(nullptr, (unsigned)StackSize(*P_), Proxy, (void*)P_.Get(), 0, &ThreadId));
@@ -170,7 +170,7 @@ namespace {
 
     using TThreadBase = TWinThread;
 #else
-    //unix
+    // unix
 
     #define PCHECK(x, y)                                    \
         {                                                   \
diff --git a/util/system/tls.cpp b/util/system/tls.cpp
index 40d748274e..5979576a4a 100644
--- a/util/system/tls.cpp
+++ b/util/system/tls.cpp
@@ -126,7 +126,7 @@ namespace {
         }
 
         inline ~TMasterTls() override {
-            //explicitly call dtor for main thread
+            // explicitly call dtor for main thread
             Dtor(pthread_getspecific(Key_));
 
             Y_ABORT_UNLESS(!pthread_key_delete(Key_), "pthread_key_delete failed");
diff --git a/util/system/tls.h b/util/system/tls.h
index 3c4f56dbeb..1771663e88 100644
--- a/util/system/tls.h
+++ b/util/system/tls.h
@@ -45,9 +45,9 @@
 
     Example:
         @code
-        //the field declaration in header
+        // the field declaration in header
         Y_THREAD(TBuffer) TmpBuffer;
-        //...later somewhere in cpp...
+        // ...later somewhere in cpp...
         TmpBuffer.Clear();
         for (size_t i = 0; i < sz && TrieCursor[i].second.IsFork(); ++i) {
             TmpBuffer.Append(TrieCursor[i].second.Char);
@@ -56,9 +56,9 @@
 
     Example:
         @code
-        //the field decalrataion in header
+        // the field decalrataion in header
         Y_THREAD(TMyWriter*) ThreadLocalWriter;
-        //...later somewhere in cpp...
+        // ...later somewhere in cpp...
         TMyWriter*& writerRef = ThreadLocalWriter.Get();
         if (writerRef == nullptr) {
             THolder<TMyWriter> threadLocalWriter( new TMyWriter(
@@ -74,11 +74,11 @@
 
     Example:
         @code
-        //in header
+        // in header
         namespace TMorph {
             Y_THREAD(ELanguage) ThreadLocalMainLanguage;
         }
-        //in cpp
+        // in cpp
         Y_THREAD(ELanguage) TMorph::ThreadLocalMainLanguage(LANG_RUS);
         @endcode
 
@@ -192,7 +192,7 @@ namespace NTls {
             ~TDefaultConstructor() override = default;
 
             T* Construct(void* ptr) const override {
-                //memset(ptr, 0, sizeof(T));
+                // memset(ptr, 0, sizeof(T));
                 return ::new (ptr) T();
             }
         };