| 335 | } |
| 336 | |
| 337 | HandleState ok(const rem_port* port) |
| 338 | { |
| 339 | #ifdef WIRE_COMPRESS_SUPPORT |
| 340 | if (port->port_z_data) |
| 341 | return SEL_READY; |
| 342 | #endif |
| 343 | SOCKET n = port->port_handle; |
| 344 | #if defined(WIN_NT) |
| 345 | if (FD_ISSET(n, &slct_fdset)) |
| 346 | { |
| 347 | unset(n); |
| 348 | return SEL_READY; |
| 349 | } |
| 350 | return SEL_NO_DATA; |
| 351 | #elif defined(HAVE_POLL) |
| 352 | pollfd* pf = nullptr; |
| 353 | FB_SIZE_T pos; |
| 354 | if (slct_ready.find(n, pos)) |
| 355 | pf = slct_ready[pos]; |
| 356 | |
| 357 | if (pf) |
| 358 | { |
| 359 | HandleState ret = pf->events & SEL_CHECK_MASK ? SEL_READY : SEL_NO_DATA; |
| 360 | pf->events = 0; // unset |
| 361 | return ret; |
| 362 | } |
| 363 | return n < 0 ? (port->port_flags & PORT_disconnect ? SEL_DISCONNECTED : SEL_BAD) : SEL_NO_DATA; |
| 364 | #else |
| 365 | if (n < 0 || n >= FD_SETSIZE) |
| 366 | return port->port_flags & PORT_disconnect ? SEL_DISCONNECTED : SEL_BAD; |
| 367 | |
| 368 | if (n < slct_width && FD_ISSET(n, &slct_fdset)) |
| 369 | { |
| 370 | unset(n); |
| 371 | return SEL_READY; |
| 372 | } |
| 373 | |
| 374 | return SEL_NO_DATA; |
| 375 | #endif |
| 376 | } |
| 377 | |
| 378 | void unset(SOCKET handle) |
| 379 | { |