-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Paul Davis schrieb: > On Sat, Sep 5, 2009 at 3:38 AM, Christian<[email protected]> wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> As I'm new to smart pointers and memory management in C++ I have a short >> question on this topic. >> I'm now using the following code to traverse the devices and their ports: >> snd_seq_client_info_t *clientInfo = 0; >> snd_seq_port_info_t *portInfo = 0; >> snd_seq_client_info_malloc(&clientInfo); >> snd_seq_port_info_malloc(&portInfo); >> shared_ptr<snd_seq_client_info_t> clientInfoMemoryHandler(clientInfo, >> snd_seq_client_info_free); >> shared_ptr<snd_seq_port_info_t> portInfoMemoryHandler(portInfo, >> snd_seq_port_info_free); >> . >> . >> . >> snd_seq_port_info_set_client( portInfo, >> snd_seq_client_info_get_client(clientInfo ) ); >> snd_seq_port_info_set_port( portInfo, -1 ); >> while ( snd_seq_query_next_port( seq, portInfo ) >= 0 ) { >> string portName = snd_seq_port_info_get_name( portInfo ); >> unsigned int capability = snd_seq_port_info_get_capability( portInfo >> ); >> . >> . >> . >> Well the cleanUp methods are called at block-leaving. >> I'm only a bit curious because after giving portInfo and clientInfo to >> the shared_ptr for cleanup management I have to use them for all the >> alsa queries. >> But since I'm not using malloc and free in these queries everything is >> ok, isn't it? > > I'm unclear why you are attempting to use C++ shared ptr's with ALSA's > very clearly C-style explicit memory management of various opaque data > objects. What are you attempting to do? > >
Well I actually want a c++ wrapper and these are my first alsa-steps. Used RtMidi in the past but want to have access to the suscription api. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkqiTRYACgkQVC26eJ+o0+0tlwCdFfoC9bZ4rQp4QaTdaCc1kfNO kqUAn0IdLH3aCDmfk8KAvVKlBh3TBEv0 =b507 -----END PGP SIGNATURE----- _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/mailman/listinfo/linux-audio-dev
