soc_getsockopt.c

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#include "soc_common.h"
#include <sys/socket.h>

int getsockopt(int sockfd, int level, int optname, void *optval, socklen_t *optlen)
{
    int ret=0;
    u32 *cmdbuf = getThreadCommandBuffer();
    u32 saved_threadstorage[2];

    cmdbuf[0] = 0x00110102;
    cmdbuf[1] = (u32)sockfd;
    cmdbuf[2] = (u32)level;
    cmdbuf[3] = (u32)optname;
    cmdbuf[4] = (u32)*optlen;
    cmdbuf[5] = 0x20;

    saved_threadstorage[0] = cmdbuf[0x100>>2];
    saved_threadstorage[1] = cmdbuf[0x104>>2];

    cmdbuf[0x100>>2] = ((*optlen)<<14) | 2;
    cmdbuf[0x104>>2] = (u32)optval;

    if((ret = svcSendSyncRequest(SOCU_handle))!=0)return ret;

    cmdbuf[0x100>>2] = saved_threadstorage[0];
    cmdbuf[0x104>>2] = saved_threadstorage[1];

    ret = (int)cmdbuf[1];
    if(ret==0)ret = _net_convert_error(cmdbuf[2]);
    if(ret<0)SOCU_errno = ret;

    if(ret==0)*optlen = cmdbuf[3];

    if(ret<0)return -1;
    return ret;
}