Merge pull request #84 from antonio-rojas/boost-1.87

Fix build with boost 1.87

Author: JohnCremona

libsrc/eclib/threadpool.h

@@ -33,7 +33,8 @@
 #include <stdlib.h>
 #include <boost/thread/thread.hpp>
 #include <boost/thread/future.hpp>
-#include <boost/asio/io_service.hpp>
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/post.hpp>
 #include <boost/shared_ptr.hpp>
 
 class threadpool {
@@ -61,7 +62,7 @@ class threadpool {
       }
 
       // Add reference to new task to job queue
-      io_service_.post( boost::bind< void >( boost::ref( task ) ) );
+      boost::asio::post(io_context_, boost::bind< void >( boost::ref( task ) ) );
     }
 
     unsigned int getThreadCount();
@@ -72,8 +73,8 @@ class threadpool {
     unsigned int threadCount_;
              int verbose_;
 
-    boost::asio::io_service io_service_;
-    boost::shared_ptr< boost::asio::io_service::work > work_;
+    boost::asio::io_context io_context_;
+    boost::asio::executor_work_guard<boost::asio::io_context::executor_type> work_;
     boost::thread_group     threads_;
 
 };

libsrc/threadpool.cc

@@ -47,7 +47,7 @@
  */
 threadpool::threadpool() 
   : maxThreads_( 0 ), threadCount_( 0 ), verbose_( -1 ),
-    work_( new boost::asio::io_service::work( io_service_ ) )
+    work_( boost::asio::make_work_guard( io_context_ ) )
 {}
 
 /**
@@ -56,7 +56,7 @@ threadpool::threadpool()
  * Main constructor.
  */
 threadpool::threadpool( unsigned int numThreads, int verbose ) 
-  : work_( new boost::asio::io_service::work( io_service_ ) ) {
+  : work_( boost::asio::make_work_guard( io_context_ ) ) {
   start( numThreads, verbose );
 }
 
@@ -104,7 +104,7 @@ void threadpool::start( unsigned int numThreads, int verbose ) {
 
   // Create threads and add to threadpool
   for( unsigned int i = 0; i < threadCount_-1; i++  ) {
-    threads_.create_thread( boost::bind( &boost::asio::io_service::run, &io_service_ ) );
+    threads_.create_thread( boost::bind( &boost::asio::io_context::run, &io_context_ ) );
   }
 }
 
@@ -127,10 +127,10 @@ void threadpool::close() {
   work_.reset();
 
   // run() blocks until all posted jobs have finished
-  io_service_.run();
+  io_context_.run();
 
   // We close the threadpool and join all threads
-  io_service_.stop();
+  io_context_.stop();
   threads_.join_all();
 }
 

m4/ax_boost_asio.m4

@@ -69,7 +69,7 @@ AC_DEFUN([AX_BOOST_ASIO],
 											]],
                                   [[
 
-                                    boost::asio::io_service io;
+                                    boost::asio::io_context io;
                                     boost::system::error_code timer_result;
                                     boost::asio::deadline_timer t(io);
                                     t.cancel();