| … | |
… | |
| 444 | if (epp->len) |
444 | if (epp->len) |
| 445 | { |
445 | { |
| 446 | if (dup2 (epn.fd [0], epp->fd [0]) < 0) |
446 | if (dup2 (epn.fd [0], epp->fd [0]) < 0) |
| 447 | croak ("unable to dup over old event pipe"); /* should not croak */ |
447 | croak ("unable to dup over old event pipe"); /* should not croak */ |
| 448 | |
448 | |
| 449 | if (epp->fd [1] != epp->fd [0]) |
|
|
| 450 | close (epn.fd [0]); |
449 | close (epn.fd [0]); |
|
|
450 | |
|
|
451 | if (epn.fd [0] == epn.fd [1]) |
|
|
452 | epn.fd [1] = epp->fd [0]; |
| 451 | |
453 | |
| 452 | epn.fd [0] = epp->fd [0]; |
454 | epn.fd [0] = epp->fd [0]; |
| 453 | } |
455 | } |
| 454 | |
456 | |
| 455 | *epp = epn; |
457 | *epp = epn; |
| … | |
… | |
| 476 | struct pollfd pfd; |
478 | struct pollfd pfd; |
| 477 | |
479 | |
| 478 | pfd.fd = s_epipe_fd (epp); |
480 | pfd.fd = s_epipe_fd (epp); |
| 479 | pfd.events = POLLIN; |
481 | pfd.events = POLLIN; |
| 480 | |
482 | |
| 481 | return poll (&pfd, 1, 0); |
483 | return poll (&pfd, 1, -1); |
| 482 | #endif |
484 | #endif |
| 483 | } |
485 | } |
| 484 | |
486 | |
| 485 | #endif |
487 | #endif |
| 486 | |
488 | |
