Update contrib/restricted/boost/chrono to 1.81.0

10 files changed, 31 insertions, 28 deletions

diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/config.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/config.hpp
index 1045ba3a79..447dca4fd5 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/config.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/config.hpp
@@ -212,5 +212,6 @@
 #include <boost/config/auto_link.hpp>
 #endif  // auto-linking disabled
 #endif // BOOST_CHRONO_HEADER_ONLY
+
 #endif // BOOST_CHRONO_CONFIG_HPP
 
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/detail/inlined/mac/chrono.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/detail/inlined/mac/chrono.hpp
index 9bf6c2bb12..2619d67905 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/detail/inlined/mac/chrono.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/detail/inlined/mac/chrono.hpp
@@ -30,7 +30,7 @@ system_clock::time_point
 system_clock::now() BOOST_NOEXCEPT
 {
     timeval tv;
-    gettimeofday(&tv, 0);
+    gettimeofday(&tv, BOOST_NULLPTR);
     return time_point(seconds(tv.tv_sec) + microseconds(tv.tv_usec));
 }
 
@@ -39,7 +39,7 @@ system_clock::time_point
 system_clock::now(system::error_code & ec)
 {
     timeval tv;
-    gettimeofday(&tv, 0);
+    gettimeofday(&tv, BOOST_NULLPTR);
     if (!::boost::chrono::is_throws(ec))
     {
         ec.clear();
@@ -166,7 +166,7 @@ init_steady_clock(kern_return_t & err)
     err = mach_timebase_info(&MachInfo);
     if ( err != 0  )
     {
-        return 0;
+        return BOOST_NULLPTR;
     }
 
     if (MachInfo.numer == MachInfo.denom)
@@ -185,7 +185,7 @@ init_steady_clock_ec(kern_return_t & err)
     err = mach_timebase_info(&MachInfo);
     if ( err != 0  )
     {
-        return 0;
+        return BOOST_NULLPTR;
     }
 
     if (MachInfo.numer == MachInfo.denom)
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/detail/scan_keyword.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/detail/scan_keyword.hpp
index aa4e2e87b9..3bef04781b 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/detail/scan_keyword.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/detail/scan_keyword.hpp
@@ -67,12 +67,14 @@ scan_keyword(InputIterator& b, InputIterator e,
     unsigned char* status = statbuf;
     //  Change free by free_aux to avoid
     // Error: Could not find a match for boost::interprocess::unique_ptr<unsigned char, void(*)(void*)>::unique_ptr(int, extern "C" void(void*))
-    unique_ptr<unsigned char, void(*)(void*)> stat_hold(0, free_aux);
+    unique_ptr<unsigned char, void(*)(void*)> stat_hold(BOOST_NULLPTR, free_aux);
     if (nkw > sizeof(statbuf))
     {
         status = (unsigned char*)malloc(nkw);
-        if (status == 0)
+        if (status == BOOST_NULLPTR)
+        {
           throw_exception(std::bad_alloc());
+        }
         stat_hold.reset(status);
     }
     size_t n_might_match = nkw;  // At this point, any keyword might match
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/duration.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/duration.hpp
index db8cccb25c..aceb732ef5 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/duration.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/duration.hpp
@@ -455,7 +455,7 @@ namespace chrono {
                             >
                         >
                     >
-                >::type* = 0
+                >::type* = BOOST_NULLPTR
             ) : rep_(r) { }
 #if  defined   BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
         duration& operator=(const duration& rhs)
@@ -481,7 +481,7 @@ namespace chrono {
                             mpl::not_ < treat_as_floating_point<Rep2> >
                         >
                     >
-                >::type* = 0
+                >::type* = BOOST_NULLPTR
         )
             : rep_(chrono::detail::duration_cast<duration<Rep2, Period2>, duration>()(d).count()) {}
 
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_io.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_io.hpp
index c25adeeee6..198ca4bcd1 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_io.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_io.hpp
@@ -166,7 +166,7 @@ namespace boost
           {
             os.setstate(std::ios_base::failbit);
           }
-          BOOST_CATCH (std::ios_base::failure )
+          BOOST_CATCH (const std::ios_base::failure& )
           {
             flag = true;
           }
@@ -221,7 +221,7 @@ namespace boost
           {
             os.setstate(std::ios_base::failbit);
           }
-          BOOST_CATCH (std::ios_base::failure )
+          BOOST_CATCH (const std::ios_base::failure& )
           {
             flag = true;
           }
@@ -276,7 +276,7 @@ namespace boost
         {
           is.setstate(std::ios_base::failbit);
         }
-        BOOST_CATCH (std::ios_base::failure )
+        BOOST_CATCH (const std::ios_base::failure& )
         {
           flag = true;
         }
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_put.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_put.hpp
index 623eae1bf6..8ed6573def 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_put.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_put.hpp
@@ -102,7 +102,7 @@ namespace boost
        */
       template <typename Rep, typename Period>
       iter_type put(iter_type s, std::ios_base& ios, char_type fill, duration<Rep, Period> const& d, const CharT* pattern,
-          const CharT* pat_end, const char_type* val = 0) const
+          const CharT* pat_end, const char_type* val = BOOST_NULLPTR) const
       {
         if (std::has_facet<duration_units<CharT> >(ios.getloc()))
         {
@@ -119,7 +119,7 @@ namespace boost
 
       template <typename Rep, typename Period>
       iter_type put(duration_units<CharT> const& units_facet, iter_type s, std::ios_base& ios, char_type fill,
-          duration<Rep, Period> const& d, const CharT* pattern, const CharT* pat_end, const char_type* val = 0) const
+          duration<Rep, Period> const& d, const CharT* pattern, const CharT* pat_end, const char_type* val = BOOST_NULLPTR) const
       {
 
         const std::ctype<char_type>& ct = std::use_facet<std::ctype<char_type> >(ios.getloc());
@@ -170,7 +170,7 @@ namespace boost
        * @Returns An iterator pointing immediately after the last character produced.
        */
       template <typename Rep, typename Period>
-      iter_type put(iter_type s, std::ios_base& ios, char_type fill, duration<Rep, Period> const& d, const char_type* val = 0) const
+      iter_type put(iter_type s, std::ios_base& ios, char_type fill, duration<Rep, Period> const& d, const char_type* val = BOOST_NULLPTR) const
       {
         if (std::has_facet<duration_units<CharT> >(ios.getloc()))
         {
@@ -198,7 +198,7 @@ namespace boost
        * @Returns s, iterator pointing immediately after the last character produced.
        */
       template <typename Rep, typename Period>
-      iter_type put_value(iter_type s, std::ios_base& ios, char_type fill, duration<Rep, Period> const& d, const char_type* val = 0) const
+      iter_type put_value(iter_type s, std::ios_base& ios, char_type fill, duration<Rep, Period> const& d, const char_type* val = BOOST_NULLPTR) const
       {
         if (val)
         {
@@ -213,7 +213,7 @@ namespace boost
       }
 
       template <typename Rep, typename Period>
-      iter_type put_value(iter_type s, std::ios_base& ios, char_type fill, duration<process_times<Rep>, Period> const& d, const char_type* = 0) const
+      iter_type put_value(iter_type s, std::ios_base& ios, char_type fill, duration<process_times<Rep>, Period> const& d, const char_type* = BOOST_NULLPTR) const
       {
         *s++ = CharT('{');
         s = put_value(s, ios, fill, process_real_cpu_clock::duration(d.count().real));
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_units.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_units.hpp
index 84faa819a9..1cf0f694cc 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_units.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/io/duration_units.hpp
@@ -983,9 +983,9 @@ namespace boost
             if (duration_units_default_holder<CharT>::initialized_)
             {
               delete[] duration_units_default_holder<CharT>::n_d_valid_units_;
-              duration_units_default_holder<CharT>::n_d_valid_units_ = 0;
+              duration_units_default_holder<CharT>::n_d_valid_units_ = BOOST_NULLPTR;
               delete[] duration_units_default_holder<CharT>::valid_units_;
-              duration_units_default_holder<CharT>::valid_units_ = 0;
+              duration_units_default_holder<CharT>::valid_units_ = BOOST_NULLPTR;
               duration_units_default_holder<CharT>::initialized_ = false;
             }
         }
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/io/time_point_io.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/io/time_point_io.hpp
index 96a6f0a9de..93e04e2a0f 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/io/time_point_io.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/io/time_point_io.hpp
@@ -683,7 +683,7 @@ namespace boost
           {
             os.setstate(std::ios_base::failbit);
           }
-          BOOST_CATCH (std::ios_base::failure )
+          BOOST_CATCH (const std::ios_base::failure& )
           {
             flag = true;
           }
@@ -732,7 +732,7 @@ namespace boost
         {
           is.setstate(std::ios_base::failbit);
         }
-        BOOST_CATCH (std::ios_base::failure )
+        BOOST_CATCH (const std::ios_base::failure& )
         {
           flag = true;
         }
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/io/utility/ios_base_state_ptr.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/io/utility/ios_base_state_ptr.hpp
index 15c8ac4d66..2352db3b0e 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/io/utility/ios_base_state_ptr.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/io/utility/ios_base_state_ptr.hpp
@@ -116,9 +116,9 @@ namespace boost
       {
         register_once(index(), ios_);
         void* &pw = ios_.pword(index());
-        if (pw == 0)
+        if (pw == BOOST_NULLPTR)
         {
-          return 0;
+          return BOOST_NULLPTR;
         }
         return static_cast<T*> (pw);
       }
@@ -243,18 +243,18 @@ namespace boost
         case std::ios_base::erase_event:
         {
           void*& pw = ios.pword(index);
-          if (pw != 0)
+          if (pw != BOOST_NULLPTR)
           {
             T* ptr = static_cast<T*> (pw);
             delete ptr;
-            pw = 0;
+            pw = BOOST_NULLPTR;
           }
           break;
         }
         case std::ios_base::copyfmt_event:
         {
           void*& pw = ios.pword(index);
-          if (pw != 0)
+          if (pw != BOOST_NULLPTR)
           {
             pw = new T(*static_cast<T*> (pw));
           }
@@ -303,7 +303,7 @@ namespace boost
       explicit ios_state_not_null_ptr(std::ios_base& ios) :
       base_type(ios)
       {
-        if (this->get() == 0)
+        if (this->get() == BOOST_NULLPTR)
         {
           this->base_type::reset(new T());
         }
@@ -314,7 +314,7 @@ namespace boost
 
       void reset(T* new_value) BOOST_NOEXCEPT
       {
-        BOOST_ASSERT(new_value!=0);
+        BOOST_ASSERT(new_value!=BOOST_NULLPTR);
         this->base_type::reset(new_value);
       }
 
diff --git a/contrib/restricted/boost/chrono/include/boost/chrono/time_point.hpp b/contrib/restricted/boost/chrono/include/boost/chrono/time_point.hpp
index fc230955d9..af7e83fa84 100644
--- a/contrib/restricted/boost/chrono/include/boost/chrono/time_point.hpp
+++ b/contrib/restricted/boost/chrono/include/boost/chrono/time_point.hpp
@@ -182,7 +182,7 @@ namespace chrono {
                 , typename boost::enable_if
                 <
                     boost::is_convertible<Duration2, duration>
-                >::type* = 0
+                >::type* = BOOST_NULLPTR
         )
             : d_(t.time_since_epoch())
         {