Function child_init

modules/rtp.io/rtp_io.c:223–263

#include <assert.h>

static int
child_init(int rank)
{
    rtpproxy_is_nproc_t is_nproc_f;

    is_nproc_f = (rtpproxy_is_nproc_t)find_export("rtpproxy_is_nproc", 0);
    if (is_nproc_f == NULL) {
        LM_ERR("rtpproxy_is_nproc() not found in the rtpproxy module\n");
        return -1;
    }
    int is_nproc = is_nproc_f(NPROC_CHECK);
    LM_INFO("rtp.io: child_init(%d), notifier: %d\n", rank, is_nproc);
    if (rank > rpi_descp->socks->n) {
        LM_ERR("BUG: rank is higher than the number of sockets!\n");
        return -1;
    }

    if (!is_nproc && rtp_io_close_cnlt_nsock() != 0) {
        LM_ERR("rtp_io_close_cnlt_nsock() failed\n");
        return -1;
    }

    if (rank <= 0) {
        if (rtp_io_close_cnlt_socks() != 0) {
            LM_ERR("rtp_io_close_cnlt_socks() failed\n");
            return -1;
        }
        return 0;
    }

    for (int i = 0; i < rpi_descp->socks->n; i++) {
        if (i == rank - 1)
	    continue;
        int *fdp = &rpi_descp->socks->holder[i * 2];
        if (close(fdp[1]) < 0)
	    return (-1);
        fdp[1] = -1;
    }

    return (0);
}

static int rtp_io_getchildsock(int rank)
{