prt_packet.c

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#include "prt_packet.h"


prt_packet_t *prt_packet_new(size_t data_size)
{
    prt_packet_t *packet = (prt_packet_t*)malloc(sizeof(prt_packet_t));
    prt_assert(packet != NULL, "malloc failed");

    packet->data = malloc(data_size);
    prt_assert(packet->data != NULL, "malloc failed");

    packet->num_refs = 1;
    return packet;
}


void prt_packet_release(prt_packet_t *packet)
{
    int num_refs = __sync_sub_and_fetch(&packet->num_refs, 1);
    prt_assert(num_refs >= 0, "negative number of data references");
    if (num_refs == 0) {
        free(packet->data);
        free(packet);
    }
}