diff options
Diffstat (limited to 'ext/socket')
-rw-r--r-- | ext/socket/init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/socket/init.c b/ext/socket/init.c index 908268c40c..8958db7562 100644 --- a/ext/socket/init.c +++ b/ext/socket/init.c @@ -119,6 +119,9 @@ s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from) while (rb_io_check_closed(fptr), rb_thread_wait_fd(arg.fd), (slen = BLOCKING_REGION(recvfrom_blocking, &arg)) < 0) { + if (!rb_io_wait_readable(fptr->fd)) { + rb_sys_fail("recvfrom(2)"); + } if (RBASIC(str)->klass || RSTRING_LEN(str) != buflen) { rb_raise(rb_eRuntimeError, "buffer string modified"); } |