"Tony Yat-Tung Cheung" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Hi, > > I've found the following codes will cause a 1KB memory leak (Dynamic RAM > Heap) on a real Treo 650 device (GSM unlocked version). > > The codes simply opens the NetLib, creates a socket, closes the socket > and then closes the NetLib. However, every time the codes are run, it > reduces the free Dynamic RAM Heap size by around 1KB. > > Is it a known problem? Any workaround? Thank you. > > { > UInt16 libRefNum; > Err err; > > { > UInt16 netIFErr=0; > > err = SysLibFind("Net.lib", &libRefNum); > ErrFatalDisplayIf(err != errNone, "Error"); > err = NetLibOpen(libRefNum, &netIFErr); > ErrFatalDisplayIf(err != errNone, "Error"); > } > > { > NetSocketRef sock=-1; > Err err; > Int16 rc; > > sock = NetLibSocketOpen(libRefNum, > netSocketAddrINET, //AF_INET > netSocketTypeStream, //SOCK_STREAM > 0, > SysTicksPerSecond() * 5, > &err); > ErrFatalDisplayIf(sock == -1, "Error"); > > rc = NetLibSocketClose(libRefNum, sock, SysTicksPerSecond() * > 5, &err); > ErrFatalDisplayIf(rc == -1, "Error"); > } > > err = NetLibClose(libRefNum, false); > ErrFatalDisplayIf((err != errNone && err != netErrStillOpen), "Error"); > } > > Tony > > Tony Yat-Tung Cheung wrote: > > Hi, > > > > I am testing my networking application on the Treo 650. I've found that > > approximately 1KB of heap memory is lost every time my application run > > once, which includes opening a connection to a server and disconnecting > > the connection. > > > > The problem only occurs with the Treo 650, I have tested with the T3 and > > Treo 600 with no such problem. I also tested the application on the Palm > > Emulator (OS 4.0) with no memory leak detected. > > > > I am also testing it on a real Treo 650 device using GPRS connection. I > > also found that when I close the GPRS connection, all those lost heap > > memories (1KB each time) are all recovered. > > > > Does anyone have any idea what might have gone wrong? Is there any thing > > special with the Treo 650 networking stacks that may introduce memory > > leaks not possible with other devices? > > > > Thank you very much. > > > > Tony Cheung > > >
What do you see happening if you use "err = NetLibClose(libRefNum, true);" ? Do you still lose heap? Ralph -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
