diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | io.c | 3 |
2 files changed, 8 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Sat Jan 18 22:35:15 2014 Tanaka Akira <akr@fsij.org> + + * io.c (rb_update_max_fd): Return immediately if the given fd is small + enough. + Sat Jan 18 22:25:53 2014 Tanaka Akira <akr@fsij.org> * io.c: Test O_CLOEXEC only once. @@ -189,6 +189,9 @@ rb_update_max_fd(int fd) struct stat buf; rb_atomic_t afd = (rb_atomic_t)fd; + if (afd <= max_file_descriptor) + return; + if (fstat(fd, &buf) != 0 && errno == EBADF) { rb_bug("rb_update_max_fd: invalid fd (%d) given.", fd); } |