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* Serialized multithreaded access to shared data (experimental)

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* Refactored event loop code


git-svn-id: http://dev.openwengo.org/svn/openwengo/wengophone-ng/branches/wengophone-dbus-api/libs/dbus@12397 30a43799-04e7-0310-8b2b-ea0d24f86d0e
This commit is contained in:
pdurante 2007-08-28 01:08:04 +00:00
parent 1346caf952
commit 6cb130ee0d
10 changed files with 437 additions and 252 deletions
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34
examples/echo/echo-client.cpp
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@ -22,29 +22,31 @@ void EchoClient::Echoed( const DBus::Variant& value )
cout << "!";
}
/* NOTE: using many threads is likely to trigger a race condition in the event loop
* in fact access to the list of timeouts and watches inside the default dispatcher
* implementation (DBus::BusDispatcher) is NOT serialized
*
* (yes, I'm well aware of how much this sucks)
/*
* For some strange reason, libdbus frequently dies with an OOM
*/
static const int THREADS = 1;
static const int THREADS = 16;
static bool spin = true;
void* greeter_thread( void* )
void* greeter_thread( void* arg )
{
DBus::Connection conn = DBus::Connection::SessionBus();
DBus::Connection* conn = reinterpret_cast<DBus::Connection*>(arg);
EchoClient client(conn, ECHO_SERVER_PATH, ECHO_SERVER_NAME);
EchoClient client(*conn, ECHO_SERVER_PATH, ECHO_SERVER_NAME);
while(spin)
char idstr[16];
snprintf(idstr, sizeof(idstr), "%lu", pthread_self());
for(int i = 0; i < 100 && spin; ++i)
{
client.Hello("client");
cout << "*";
cout << client.Hello(idstr) << endl;
}
cout << idstr << " done " << endl;
return NULL;
}
@ -70,15 +72,19 @@ int main()
DBus::default_dispatcher = &dispatcher;
DBus::Connection conn = DBus::Connection::SessionBus();
pthread_t threads[THREADS];
for(int i = 0; i < THREADS; ++i)
{
pthread_create(threads+i, NULL, greeter_thread, NULL);
pthread_create(threads+i, NULL, greeter_thread, &conn);
}
dispatcher.enter();
cout << "terminating" << endl;
for(int i = 0; i < THREADS; ++i)
{
pthread_join(threads[i], NULL);