-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi everyone,
ran into a situation where my code seems to leak memory but I can't tackle it down in _my_ code. Kicked off valgrind to find this: ==2874== 56 bytes in 1 blocks are definitely lost in loss record 34 of 72 ==2874== at 0x4A08121: calloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==2874== by 0x4E7A968: zframe_new (czmq_prelude.h:443) ==2874== by 0x4E7AB48: zframe_recv (zframe.c:156) ==2874== by 0x4E7ED84: zmsg_recv (zmsg.c:101) ==2874== by 0x401458: _recv_message (kt_server.c:114) _recv_message() is my function, snippet: zmsg_t *m = zmsg_recv(sock); assert(m); char *msgData = zframe_strdup(zmsg_pop(m)); zmsg_destroy(&m); free (msgData); So, I tracked this further down to zframe_new() which actually allocates sizeof(zframe_t) and later passes this to zmq_msg_init(). Since I work with a ZMQ_REP socket here, this must be in zmq::router_t::xrecv or more precisely in fq.recvpipe. recvpipe then calls zmq::msg_t::close. And this is where I suspect the memory leak to happen. The union-struct u defined in msg.hpp seems not to be freed correctly. But all this is massive speculation from my side — mostly because I'm just a beginner/noob and I have no clue about libzmq nor about C++. Let me know if I'm just a noob with no clue or I found something. :) Happy Hacking -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (Darwin) iQIcBAEBAgAGBQJSOvXmAAoJEKkVOTYKXmyzs1gP/0lduRNVvjDe9Lf1H1kRZr4O RFqHWbfFxzEB3boLhpbvOE6mEedfPvyZnNeswm4pL4ROomRDABrJksxhEFGNAZqv nOk0lKwwouj6NwwfgiSasgprydsKfvfLAmvxSELP8yb7bJAKNg7P72Ec/lU1mIv+ kNbrMYG855awGUsJeOm1Y8c4nrJd/i7uc6U++bWu6u3yOQQDPP2gjpcdaaWIk47B GH/vZVfMmJjjB2QCcBnvaToQ2KiTPmr0JBOjgvMz6V3A1WXDYDwxZbxqt/ZJiptF AUCGY66gjK3fu9dyGmYEATN7P8bmLv99TzJ/ptHvQ1WDrsyyzDniumZ6yXyRhjKN lIvDqEdHH27xBGP5ml7UHCySMmyD+PGG1dPtijSd+0/YYey5/PcY809qaRbT6CKl XYzn3/HE5qPsKcPmriWm32Mk/1ujQfRGcdUemW0cHHL7Xa0F/R7NzVWr26hyDXt5 huyMaMURDD8aWf7qWQ+Iyz85PphO36InRShSS9FJT5jrqkOamwtrSJ5Z72as+bJ5 KbL9GowSE+tUyp2yDIIex5Ji6Rr7z8Kt8XRx9sh8+pnWcmVJwO53tkP1HqXVuoHm tlydMrxfneJPNnIF2vUTzjei1KEOed6QyQy8nZwGKFo3NspTTToZtxkTf/JiMbtE lNH7SzVoOJpa2+PftIBb =3xQ5 -----END PGP SIGNATURE----- _______________________________________________ zeromq-dev mailing list [email protected] http://lists.zeromq.org/mailman/listinfo/zeromq-dev
