summaryrefslogtreecommitdiff
path: root/src/select.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/select.cpp')
-rw-r--r--src/select.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/select.cpp b/src/select.cpp
index 7345cbb..59eb83e 100644
--- a/src/select.cpp
+++ b/src/select.cpp
@@ -65,6 +65,10 @@ zmq::select_t::handle_t zmq::select_t::add_fd (fd_t fd_, i_poll_events *events_)
fd_entry_t entry = {fd_, events_};
fds.push_back (entry);
+ // Ensure we do not attempt to select () on more than FD_SETSIZE
+ // file descriptors.
+ zmq_assert (fds.size () <= FD_SETSIZE);
+
// Start polling on errors.
FD_SET (fd_, &source_set_err);