return check

include/dbus-c++/eventloop-integration.h

@@ -25,6 +25,7 @@
 #ifndef __DBUSXX_EVENTLOOP_INTEGRATION_H
 #define __DBUSXX_EVENTLOOP_INTEGRATION_H
 
+#include <errno.h>
 #include "api.h"
 #include "dispatcher.h"
 #include "util.h"
@@ -66,10 +67,11 @@ public:
 	{
 		//pipe to create a new fd used to unlock a dispatcher at any
     // moment (used by leave function)
-		pipe(_pipe);
+		int ret = pipe(_pipe);
+		if (ret == -1) throw Error("PipeError:errno", toString(errno).c_str());
+    
 		_fdunlock[0] = _pipe[0];
 		_fdunlock[1] = _pipe[1];
-		
 	}
 
 	~BusDispatcher()

include/dbus-c++/util.h

@@ -25,6 +25,9 @@
 #ifndef __DBUSXX_UTIL_H
 #define __DBUSXX_UTIL_H
 
+#include <sstream>
+#include <iostream>
+#include <iomanip>
 #include "api.h"
 #include "debug.h"
 
@@ -268,6 +271,15 @@ private:
 	C *_c; M _m;
 };
 
+/// create std::string from any number
+template <typename T>
+std::string toString (const T &thing, int w = 0, int p = 0)
+{
+	std::ostringstream os;
+	os << std::setw(w) << std::setprecision(p) << thing;
+	return os.str();
+}
+
 } /* namespace DBus */
 
 #endif//__DBUSXX_UTIL_H

src/eventloop-integration.cpp

@@ -33,6 +33,7 @@
 #include <sys/poll.h>
 
 #include <dbus/dbus.h>
+#include <errno.h>
 
 using namespace DBus;
 
@@ -87,7 +88,10 @@ void BusDispatcher::enter()
 void BusDispatcher::leave()
 {
 	_running = false;
-	write(_fdunlock[1],"exit",strlen("exit"));
+  
+	int ret = write(_fdunlock[1],"exit",strlen("exit"));
+	if (ret == -1) throw Error("WriteError:errno", toString(errno).c_str());
+  
 	close(_fdunlock[1]);
 	close(_fdunlock[0]);
 }