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| author | Denis Vlasenko | 2008-04-01 16:12:17 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2008-04-01 16:12:17 +0000 |
| commit | 9dedf72e7123d028f10dccbb7c5678868e68eb0b (patch) | |
| tree | f267928a8b36f5005a0f6aa18a50d08ce1c6835b /util-linux/script.c | |
| parent | 468aea2d8800cc0496383616d82d7c957ae8bc50 (diff) | |
| download | busybox-9dedf72e7123d028f10dccbb7c5678868e68eb0b.zip busybox-9dedf72e7123d028f10dccbb7c5678868e68eb0b.tar.gz | |
script: do not ignore poll() errors. ~+20 bytes.
Diffstat (limited to 'util-linux/script.c')
| -rw-r--r-- | util-linux/script.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/util-linux/script.c b/util-linux/script.c index 700f0cb..5d6f4d9 100644 --- a/util-linux/script.c +++ b/util-linux/script.c @@ -115,7 +115,11 @@ int script_main(int argc ATTRIBUTE_UNUSED, char **argv) /* TODO: don't use full_write's, use proper write buffering */ while (fd_count) { /* not safe_poll! we want SIGCHLD to EINTR poll */ - poll(ppfd, fd_count, -1); + if (poll(ppfd, fd_count, -1) < 0 && errno != EINTR) { + /* If child exits too quickly, we may get EIO: + * for example, try "script -c true" */ + break; + } if (pfd[0].revents) { count = safe_read(0, buf, sizeof(buf)); if (count <= 0) { |