zmq os x crash

crash.c

#include <assert.h>
#include <stddef.h>
#include <stdio.h>
#include <zmq.h>

#define SOCKS                  1000
#define ZMQ_SUCCESS            0
#define ZMQ_FAILURE            -1

int main() {
    int i;
    void *ctx = zmq_ctx_new();
    void *sockets[SOCKS];
    int fds[SOCKS];
    size_t fd_size = sizeof(int);

    assert(ctx);

    printf("ZMQ_MAX_SOCKETS=%d\n", zmq_ctx_get(ctx, ZMQ_MAX_SOCKETS));
    printf("----------------------------------------\n");

    for (i = 0; i < SOCKS; i++) {
        printf("%d,", i);
        sockets[i] = zmq_socket(ctx, ZMQ_DEALER);
        if (NULL == sockets[i]) {
            printf("\n");
            printf("zmq_errno() == %d\n", zmq_errno());
            printf("%s\n", zmq_strerror(zmq_errno()));
            return 1;
        }
        /* assert(ZMQ_SUCCESS == zmq_getsockopt(sockets[i], ZMQ_FD, &fds[i], &fd_size)); */
        if (zmq_getsockopt(sockets[i], ZMQ_FD, &fds[i], &fd_size)) {
            printf("%s\n", zmq_strerror(zmq_errno()));
            return 1;
        }
    }
    printf("\n");

    return 0;
}