diff options
Diffstat (limited to 'src/common/compat_libevent.c')
| -rw-r--r-- | src/common/compat_libevent.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/common/compat_libevent.c b/src/common/compat_libevent.c index d3b9eb3afa..7bbad54415 100644 --- a/src/common/compat_libevent.c +++ b/src/common/compat_libevent.c @@ -186,6 +186,12 @@ tor_libevent_initialize(tor_libevent_cfg *torcfg) event_config_set_num_cpus_hint(cfg, torcfg->num_cpus); #endif +#if LIBEVENT_VERSION_NUMBER >= V(2,0,9) + /* We can enable changelist support with epoll, since we don't give + * Libevent any dup'd fds. This lets us avoid some syscalls. */ + event_config_set_flag(cfg, EVENT_BASE_FLAG_EPOLL_USE_CHANGELIST); +#endif + the_event_base = event_base_new_with_config(cfg); event_config_free(cfg); |