Added boost header

test/external/boost/interprocess/detail/os_thread_functions.hpp

@@ -0,0 +1,201 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2009. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_DETAIL_OS_THREAD_FUNCTIONS_HPP
+#define BOOST_INTERPROCESS_DETAIL_OS_THREAD_FUNCTIONS_HPP
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+#include <boost/interprocess/streams/bufferstream.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+
+#if (defined BOOST_INTERPROCESS_WINDOWS)
+#  include <boost/interprocess/detail/win32_api.hpp>
+#else
+#  ifdef BOOST_HAS_UNISTD_H
+#     include <pthread.h>
+#     include <unistd.h>
+#     include <sched.h>
+#  else
+#     error Unknown platform
+#  endif
+#endif
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail{
+
+#if (defined BOOST_INTERPROCESS_WINDOWS)
+
+typedef unsigned long OS_process_id_t;
+typedef unsigned long OS_thread_id_t;
+typedef OS_thread_id_t OS_systemwide_thread_id_t;
+
+//process
+inline OS_process_id_t get_current_process_id()
+{  return winapi::get_current_process_id();  }
+
+inline OS_process_id_t get_invalid_process_id()
+{  return OS_process_id_t(0);  }
+
+//thread
+inline OS_thread_id_t get_current_thread_id()
+{  return winapi::get_current_thread_id();  }
+
+inline OS_thread_id_t get_invalid_thread_id()
+{  return OS_thread_id_t(0xffffffff);  }
+
+inline bool equal_thread_id(OS_thread_id_t id1, OS_thread_id_t id2)
+{  return id1 == id2;  }
+
+inline void thread_yield()
+{  winapi::sched_yield();  }
+
+//systemwide thread
+inline OS_systemwide_thread_id_t get_current_systemwide_thread_id()
+{
+   return get_current_thread_id();
+}
+
+inline void systemwide_thread_id_copy
+   (const volatile OS_systemwide_thread_id_t &from, volatile OS_systemwide_thread_id_t &to)
+{
+   to = from;
+}
+
+inline bool equal_systemwide_thread_id(const OS_systemwide_thread_id_t &id1, const OS_systemwide_thread_id_t &id2)
+{
+   return equal_thread_id(id1, id2);
+}
+
+inline OS_systemwide_thread_id_t get_invalid_systemwide_thread_id()
+{
+   return get_invalid_thread_id();
+}
+
+inline long double get_current_process_creation_time()
+{
+   winapi::interprocess_filetime CreationTime, ExitTime, KernelTime, UserTime;
+
+   get_process_times
+      ( winapi::get_current_process(), &CreationTime, &ExitTime, &KernelTime, &UserTime);
+
+   typedef long double ldouble_t;
+   const ldouble_t resolution = (100.0l/1000000000.0l);
+   return CreationTime.dwHighDateTime*(ldouble_t(1u<<31u)*2.0l*resolution) +
+              CreationTime.dwLowDateTime*resolution;
+}
+
+
+#else    //#if (defined BOOST_INTERPROCESS_WINDOWS)
+
+typedef pthread_t OS_thread_id_t;
+typedef pid_t     OS_process_id_t;
+
+struct OS_systemwide_thread_id_t
+{  
+   OS_systemwide_thread_id_t()
+      :  pid(), tid()
+   {}
+
+   OS_systemwide_thread_id_t(pid_t p, pthread_t t)
+      :  pid(p), tid(t)
+   {}
+
+   OS_systemwide_thread_id_t(const OS_systemwide_thread_id_t &x)
+      :  pid(x.pid), tid(x.tid)
+   {}
+
+   OS_systemwide_thread_id_t(const volatile OS_systemwide_thread_id_t &x)
+      :  pid(x.pid), tid(x.tid)
+   {}
+
+   OS_systemwide_thread_id_t & operator=(const OS_systemwide_thread_id_t &x)
+   {  pid = x.pid;   tid = x.tid;   return *this;   }
+
+   OS_systemwide_thread_id_t & operator=(const volatile OS_systemwide_thread_id_t &x)
+   {  pid = x.pid;   tid = x.tid;   return *this;  }
+
+   void operator=(const OS_systemwide_thread_id_t &x) volatile
+   {  pid = x.pid;   tid = x.tid;   }
+
+   pid_t       pid;
+   pthread_t   tid;
+};
+
+inline void systemwide_thread_id_copy
+   (const volatile OS_systemwide_thread_id_t &from, volatile OS_systemwide_thread_id_t &to)
+{
+   to.pid = from.pid;
+   to.tid = from.tid;
+}
+
+//process
+inline OS_process_id_t get_current_process_id()
+{  return ::getpid();  }
+
+inline OS_process_id_t get_invalid_process_id()
+{  return pid_t(0);  }
+
+//thread
+inline OS_thread_id_t get_current_thread_id()
+{  return ::pthread_self();  }
+
+inline OS_thread_id_t get_invalid_thread_id()
+{ 
+   static pthread_t invalid_id;
+   return invalid_id;
+}
+
+inline bool equal_thread_id(OS_thread_id_t id1, OS_thread_id_t id2)
+{  return 0 != pthread_equal(id1, id2);  }
+
+inline void thread_yield()
+{  ::sched_yield();  }
+
+//systemwide thread
+inline OS_systemwide_thread_id_t get_current_systemwide_thread_id()
+{
+   return OS_systemwide_thread_id_t(::getpid(), ::pthread_self());
+}
+
+inline bool equal_systemwide_thread_id(const OS_systemwide_thread_id_t &id1, const OS_systemwide_thread_id_t &id2)
+{
+   return (0 != pthread_equal(id1.tid, id2.tid)) && (id1.pid == id2.pid);
+}
+
+inline OS_systemwide_thread_id_t get_invalid_systemwide_thread_id()
+{
+   return OS_systemwide_thread_id_t(get_invalid_process_id(), get_invalid_thread_id());
+}
+
+inline long double get_current_process_creation_time()
+{ return 0.0L; }
+
+#endif   //#if (defined BOOST_INTERPROCESS_WINDOWS)
+
+typedef char pid_str_t[sizeof(OS_process_id_t)*3+1];
+
+inline void get_pid_str(pid_str_t &pid_str, OS_process_id_t pid)
+{
+   bufferstream bstream(pid_str, sizeof(pid_str));
+   bstream << pid << std::ends;
+}
+
+inline void get_pid_str(pid_str_t &pid_str)
+{  get_pid_str(pid_str, get_current_process_id());  }
+
+}  //namespace ipcdetail{
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_DETAIL_OS_THREAD_FUNCTIONS_HPP