141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
// Copyright (C) 2013 Vicente Botet
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// B
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#include <malloc.h>
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#include <boost/thread/thread.hpp>
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#include <boost/thread/mutex.hpp>
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#include <boost/bind.hpp>
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#include <iostream>
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static void
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display_mallinfo()
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{
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struct mallinfo mi;
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mi = mallinfo();
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printf("Total non-mmapped bytes (arena): %d\n", mi.arena);
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printf("# of free chunks (ordblks): %d\n", mi.ordblks);
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printf("# of free fastbin blocks (smblks): %d\n", mi.smblks);
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printf("# of mapped regions (hblks): %d\n", mi.hblks);
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printf("Bytes in mapped regions (hblkhd): %d\n", mi.hblkhd);
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printf("Max. total allocated space (usmblks): %d\n", mi.usmblks);
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printf("Free bytes held in fastbins (fsmblks): %d\n", mi.fsmblks);
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printf("Total allocated space (uordblks): %d\n", mi.uordblks);
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printf("Total free space (fordblks): %d\n", mi.fordblks);
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printf("Topmost releasable block (keepcost): %d\n", mi.keepcost);
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}
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boost::mutex io_mutex;
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void count() {
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for (int i = 0; i < 10; ++i) {
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boost::mutex::scoped_lock lock(io_mutex);
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//boost::this_thread::sleep( boost::posix_time::milliseconds( 100 ) );
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}
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}
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void* count2(void*) {
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for (int i = 0; i < 10; ++i) {
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boost::mutex::scoped_lock lock(io_mutex);
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boost::this_thread::sleep( boost::posix_time::milliseconds( 100 ) );
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}
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return 0;
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}
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int main() {
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printf("\n============== sizeof(boost::thread) ============== %d\n", sizeof(boost::thread));
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printf("\n============== sizeof(boost::detail::thread_data_base) ============== %d\n", sizeof(boost::detail::thread_data_base));
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printf("\n============== sizeof(boost::detail::thread_data<>) ============== %d\n", sizeof(boost::detail::thread_data<void(*)()>));
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printf("\n============== Before thread creation ==============\n");
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display_mallinfo();
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{
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boost::thread thrd1(&count);
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printf("\n============== After thread creation ==============\n");
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display_mallinfo();
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boost::thread thrd2(&count);
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printf("\n============== After thread creation ==============\n");
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display_mallinfo();
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boost::thread thrd3(&count);
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printf("\n============== After thread creation ==============\n");
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display_mallinfo();
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thrd1.join();
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printf("\n============== After thread join ==============\n");
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display_mallinfo();
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thrd2.join();
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printf("\n============== After thread join ==============\n");
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display_mallinfo();
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thrd3.join();
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printf("\n============== After thread join ==============\n");
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display_mallinfo();
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}
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printf("\n============== After thread destruction ==============\n");
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display_mallinfo();
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{
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_t thrd1;
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pthread_create(&thrd1, &attr, &count2, 0);
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printf("\n============== After thread creation ==============\n");
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display_mallinfo();
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pthread_t thrd2;
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pthread_create(&thrd2, &attr, &count2, 0);
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printf("\n============== After thread creation ==============\n");
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display_mallinfo();
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pthread_t thrd3;
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pthread_create(&thrd3, &attr, &count2, 0);
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printf("\n============== After thread creation ==============\n");
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display_mallinfo();
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pthread_attr_destroy(&attr);
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printf("\n============== After thread attr destroy ==============\n");
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display_mallinfo();
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void* res;
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pthread_join(thrd3, &res);
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printf("\n============== After thread join ==============\n");
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display_mallinfo();
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pthread_join(thrd2, &res);
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printf("\n============== After thread join ==============\n");
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display_mallinfo();
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pthread_join(thrd1, &res);
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printf("\n============== After thread join ==============\n");
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display_mallinfo();
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//pthread_destroy(&thrd1);
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//pthread_destroy(&thrd2);
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//pthread_destroy(&thrd3);
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}
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printf("\n============== After thread destruction ==============\n");
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display_mallinfo();
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return 1;
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}
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