FreeCalypso > hg > fc-selenite
view src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_getmaxpacketsize.c @ 1:d393cd9bb723
src/g23m-*: initial import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 15 Jul 2018 04:40:46 +0000 |
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/** * @file rnet_rt_api_getmaxpacketsize.c * * RNET_RT API * * @author Regis Feneon * @version 0.1 */ /* * $Id: rnet_rt_api_getmaxpacketsize.c,v 1.3 2002/10/30 15:23:34 rf Exp $ * $Name: ti_20021030 $ * * History: * * Date Author Modification * -------------------------------------------------- * 7/23/2002 Regis Feneon Create * */ #include "rnet_cfg.h" #ifdef RNET_CFG_REAL_TRANSPORT #include "rnet_rt_i.h" #include "rnet_rt_env.h" /** * Gets the maximum send size of a message. * * @param desc Connection identifier [IN]. * @param size_p Maximum send size [OUT]. * @return RNET_NOT_INITIALIZED NET subsystem not initialized (internal error). * RNET_INTERNAL_ERR Network subsystem failed. * RNET_INVALID_PARAMETER The connection ID is invalid. * RNET_NOT_READY Still processing a callback function. * RNET_OK Local address/port successfully get. */ T_RNET_RET rnet_rt_get_max_packet_size(T_RNET_DESC * desc, UINT32 * size_p) { int err, len, maxsize; len = sizeof( maxsize); /* get socket buffer size */ rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); err = ngSAIOGetOption( (NGsock *) desc, NG_IOCTL_SOCKET, NG_SO_SNDBUF, &maxsize, &len); rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); if( err == NG_EOK) { *size_p = maxsize; return( RNET_OK); } return( rnet_rt_ngip_error( err)); } #endif /* ifdef RNET_CFG_REAL_TRANSPORT */