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Initial merge of Networking TS compatibility.

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Merged from chriskohlhoff/asio master branch as of commit
4a4d28b0d24c53236e229bd1b5f378c9964b1ebb.
This commit is contained in:
Christopher Kohlhoff
2017-10-23 14:27:36 +11:00
parent b002097359
commit b60e92b13e
617 changed files with 43380 additions and 21694 deletions
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38
example/cpp03/fork/daemon.cpp
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@@ -8,7 +8,7 @@
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/asio/io_service.hpp>
#include <boost/asio/io_context.hpp>
#include <boost/asio/ip/udp.hpp>
#include <boost/asio/signal_set.hpp>
#include <boost/array.hpp>
@@ -23,8 +23,8 @@ using boost::asio::ip::udp;
class udp_daytime_server
{
public:
udp_daytime_server(boost::asio::io_service& io_service)
: socket_(io_service, udp::endpoint(udp::v4(), 13))
udp_daytime_server(boost::asio::io_context& io_context)
: socket_(io_context, udp::endpoint(udp::v4(), 13))
{
start_receive();
}
@@ -62,24 +62,24 @@ int main()
{
try
{
boost::asio::io_service io_service;
boost::asio::io_context io_context;
// Initialise the server before becoming a daemon. If the process is
// started from a shell, this means any errors will be reported back to the
// user.
udp_daytime_server server(io_service);
udp_daytime_server server(io_context);
// Register signal handlers so that the daemon may be shut down. You may
// also want to register for other signals, such as SIGHUP to trigger a
// re-read of a configuration file.
boost::asio::signal_set signals(io_service, SIGINT, SIGTERM);
boost::asio::signal_set signals(io_context, SIGINT, SIGTERM);
signals.async_wait(
boost::bind(&boost::asio::io_service::stop, &io_service));
boost::bind(&boost::asio::io_context::stop, &io_context));
// Inform the io_service that we are about to become a daemon. The
// io_service cleans up any internal resources, such as threads, that may
// Inform the io_context that we are about to become a daemon. The
// io_context cleans up any internal resources, such as threads, that may
// interfere with forking.
io_service.notify_fork(boost::asio::io_service::fork_prepare);
io_context.notify_fork(boost::asio::io_context::fork_prepare);
// Fork the process and have the parent exit. If the process was started
// from a shell, this returns control to the user. Forking a new process is
@@ -92,15 +92,15 @@ int main()
//
// When the exit() function is used, the program terminates without
// invoking local variables' destructors. Only global variables are
// destroyed. As the io_service object is a local variable, this means
// destroyed. As the io_context object is a local variable, this means
// we do not have to call:
//
// io_service.notify_fork(boost::asio::io_service::fork_parent);
// io_context.notify_fork(boost::asio::io_context::fork_parent);
//
// However, this line should be added before each call to exit() if
// using a global io_service object. An additional call:
// using a global io_context object. An additional call:
//
// io_service.notify_fork(boost::asio::io_service::fork_prepare);
// io_context.notify_fork(boost::asio::io_context::fork_prepare);
//
// should also precede the second fork().
exit(0);
@@ -171,14 +171,14 @@ int main()
return 1;
}
// Inform the io_service that we have finished becoming a daemon. The
// io_service uses this opportunity to create any internal file descriptors
// Inform the io_context that we have finished becoming a daemon. The
// io_context uses this opportunity to create any internal file descriptors
// that need to be private to the new process.
io_service.notify_fork(boost::asio::io_service::fork_child);
io_context.notify_fork(boost::asio::io_context::fork_child);
// The io_service can now be used normally.
// The io_context can now be used normally.
syslog(LOG_INFO | LOG_USER, "Daemon started");
io_service.run();
io_context.run();
syslog(LOG_INFO | LOG_USER, "Daemon stopped");
}
catch (std::exception& e)