diff options
| author |   Dave Barach <dave@barachs.net> | 2020-04-28 18:00:21 -0400 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2020-04-28 23:04:23 +0000 |
| commit | 77d98382824ca211fb55fcf842931930ccfb3baa (patch) | |
| tree | c0ec1d4b678577849194676bb53409f6d49e696a /src | |
| parent | 635f5068f0802ec1fe34c998b72fb2f626259050 (diff) | |
vlib: add ASSERT to vlib_time_now(...)
Calling vlib_time_now (&vlib_global_main) from a worker thread is a bad
mistake. ASSERT (vm->thread_index == __os_thread_index) will catch it.
Type: improvement
Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I55af6de84e06143f8f43adc62103b77267a7a441
Diffstat (limited to 'src')
| -rw-r--r-- | src/vlib/main.h | 7 | ||||
| -rw-r--r-- | src/vnet/session/session.c | 2 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp.c | 3 |
3 files changed, 10 insertions, 2 deletions
diff --git a/src/vlib/main.h b/src/vlib/main.h index 598c3ba836f..d6b2d1f875f 100644 --- a/src/vlib/main.h +++ b/src/vlib/main.h @@ -290,6 +290,13 @@ void vlib_worker_loop (vlib_main_t * vm); always_inline f64 vlib_time_now (vlib_main_t * vm) { +#if CLIB_DEBUG > 0 + extern __thread uword __os_thread_index; +#endif + /* + * Make sure folks don't pass &vlib_global_main from a worker thread. + */ + ASSERT (vm->thread_index == __os_thread_index); return clib_time_now (&vm->clib_time) + vm->time_offset; } diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c index 027070436fd..0956b2f9d73 100644 --- a/src/vnet/session/session.c +++ b/src/vnet/session/session.c @@ -1676,7 +1676,7 @@ session_manager_main_enable (vlib_main_t * vm) wrk->new_head = clib_llist_make_head (wrk->event_elts, evt_list); wrk->old_head = clib_llist_make_head (wrk->event_elts, evt_list); wrk->vm = vlib_mains[i]; - wrk->last_vlib_time = vlib_time_now (vlib_mains[i]); + wrk->last_vlib_time = vlib_time_now (vm); wrk->last_vlib_us_time = wrk->last_vlib_time * CLIB_US_TIME_FREQ; vec_validate (wrk->session_to_enqueue, smm->last_transport_proto_type); diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index df3d61db48d..3703a4aa358 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -1258,13 +1258,14 @@ tcp_expired_timers_dispatch (u32 * expired_timers) static void tcp_initialize_timer_wheels (tcp_main_t * tm) { + vlib_main_t *vm = vlib_get_main (); tw_timer_wheel_16t_2w_512sl_t *tw; /* *INDENT-OFF* */ foreach_vlib_main (({ tw = &tm->wrk_ctx[ii].timer_wheel; tw_timer_wheel_init_16t_2w_512sl (tw, tcp_expired_timers_dispatch, TCP_TIMER_TICK, ~0); - tw->last_run_time = vlib_time_now (this_vlib_main); + tw->last_run_time = vlib_time_now (vm); })); /* *INDENT-ON* */ } |