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script: do not ignore poll() errors. ~+20 bytes.

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This commit is contained in:
Denis Vlasenko 2008-04-01 16:12:17 +00:00
parent 468aea2d88
commit 9dedf72e71
1 changed files with 5 additions and 1 deletions
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6
util-linux/script.c
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@ -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) {