예제 #1
0
파일: dpip.c 프로젝트: epitron/dillo
/*
 * Free the SockHandler structure
 */
void a_Dpip_dsh_free(Dsh *dsh)
{
   dReturn_if (dsh == NULL);

   dStr_free(dsh->wrbuf, 1);
   dStr_free(dsh->rdbuf, 1);
   dFree(dsh);
}
예제 #2
0
파일: cookies.c 프로젝트: epitron/dillo
static void Dpi_close_fd(int fd)
{
   int st;

   dReturn_if (fd < 0);
   do
      st = close(fd);
   while (st < 0 && errno == EINTR);
}
예제 #3
0
파일: dpip.c 프로젝트: ESOS-Lab/HEAPO
/*
 * Read raw data from the socket into our buffer in
 * either BLOCKING or NONBLOCKING mode.
 */
static void Dpip_dsh_read(Dsh *dsh, int blocking)
{
   char buf[RBUF_SZ];
   int req_mode, old_flags = 0, st, ret = -3, nb = !blocking;

   dReturn_if (dsh->status == DPIP_ERROR || dsh->status == DPIP_EOF);

   req_mode = (nb) ? DPIP_NONBLOCK : 0;
   if ((dsh->mode & DPIP_NONBLOCK) != req_mode) {
      /* change mode temporarily... */
      old_flags = fcntl(dsh->fd_in, F_GETFL);
      fcntl(dsh->fd_in, F_SETFL,
            (nb) ? O_NONBLOCK | old_flags : old_flags & ~O_NONBLOCK);
   }

   while (1) {
      st = read(dsh->fd_in, buf, RBUF_SZ);
      if (st < 0) {
         if (errno == EINTR) {
            continue;
         } else if (errno == EAGAIN) {
            dsh->status = DPIP_EAGAIN;
            ret = -1;
            break;
         } else {
            MSG_ERR("[Dpip_dsh_read] %s\n", dStrerror(errno));
            dsh->status = DPIP_ERROR;
            break;
         }
      } else if (st == 0) {
         dsh->status = DPIP_EOF;
         break;
      } else {
         /* append to buf */
         dStr_append_l(dsh->rdbuf, buf, st);
         if (blocking)
            break;
      }
   }

   if ((dsh->mode & DPIP_NONBLOCK) != req_mode) {
      /* restore old mode */
      fcntl(dsh->fd_out, F_SETFL, old_flags);
   }

   /* assert there's no more data in the wire...
    * (st < buf upon interrupt || st == buf and no more data) */
   if (blocking)
      Dpip_dsh_read(dsh, 0);
}