soc_poll.c

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#include "soc_common.h"
#include <poll.h>

int poll(struct pollfd *fds, nfds_t nfsd, int timeout)
{
    int ret = 0;
    u32 size = sizeof(struct pollfd)*nfsd;
    u32 *cmdbuf = getThreadCommandBuffer();
    u32 saved_threadstorage[2];

    cmdbuf[0] = 0x00140084;
    cmdbuf[1] = (u32)nfsd;
    cmdbuf[2] = (u32)timeout;
    cmdbuf[3] = 0x20;
    cmdbuf[5] = (size<<14) | 0x2802;
    cmdbuf[6] = (u32)fds;

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

    cmdbuf[0x100>>2] = (size<<14) | 2;
    cmdbuf[0x104>>2] = (u32)fds;

    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)return -1;
    return ret;
}