267     PRFileDesc *prfd = PR_ImportTCPSocket(fd);  in mod_nss_io_ctor()  local
268     if (NULL == prfd) {  in mod_nss_io_ctor()
274     PRFileDesc *prfd = PR_CreateSocketPollFd(fd);  in mod_nss_io_ctor()
275     if (NULL == prfd) {  in mod_nss_io_ctor()
280     prfd->methods = PR_GetTCPMethods();  in mod_nss_io_ctor()
288     if (PR_SetSocketOption(prfd, &data) != PR_SUCCESS) {  in mod_nss_io_ctor()
290         PR_DestroySocketPollFd(prfd); /* PR_FreeFileDesc() is private */  in mod_nss_io_ctor()
294     PRFileDesc *ssl = SSL_ImportFD(model, prfd);  in mod_nss_io_ctor()
297         PR_DestroySocketPollFd(prfd); /* PR_FreeFileDesc() is private */  in mod_nss_io_ctor()
309     PRFileDesc *prfd = PR_PopIOLayer(ssl, PR_NSPR_IO_LAYER);  in mod_nss_io_detach()
310     if (prfd) {  in mod_nss_io_detach()
311         PR_ChangeFileDescNativeHandle(prfd, -1);  in mod_nss_io_detach()
312         PR_DestroySocketPollFd(prfd); /* PR_FreeFileDesc() is private */  in mod_nss_io_detach()
316     PRFileDesc *prfd = PR_GetIdentitiesLayer(ssl, PR_NSPR_IO_LAYER);  in mod_nss_io_detach()  local
317     if (prfd)  in mod_nss_io_detach()
318         PR_ChangeFileDescNativeHandle(prfd, -1);  in mod_nss_io_detach()