1 #include "tcp_internal.h"

     2 

     3 int tcp_sock_create (const struct addrinfo *addr, error_t *err)

     4 {

     5     int sock;

     6 

     7     // create a new socket using addr->ai_family/socktype/protocol

     8     if ((sock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol)) < 0)

     9         JUMP_SET_ERROR_ERRNO(err, ERR_SOCKET);

    10 

    11     return sock;

    12 

    13 error:

    14     return -ERROR_CODE(err);    

    15 }

    16 

    17 err_t tcp_sock_error (evutil_socket_t sock, error_t *err)

    18 {

    19     int optval;

    20     socklen_t optlen;

    21 

    22     RESET_ERROR(err);

    23 

    24     // init params

    25     optval = 0;

    26     optlen = sizeof(optval);

    27 

    28     // read error code

    29     if (getsockopt(sock, SOL_SOCKET, SO_ERROR, &optval, &optlen))

    30         RETURN_SET_ERROR_ERRNO(err, ERR_GETSOCKOPT);

    31     

    32     // sanity-check optlen... not sure if this is sensible

    33     if (optlen != sizeof(optval))

    34         RETURN_SET_ERROR_EXTRA(err, ERR_GETSOCKOPT, EINVAL);

    35     

    36     // then store the system error code

    37     ERROR_EXTRA(err) = optval;

    38 

    39     // ok

    40     return SUCCESS;

    41 }

    42 

    43