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| author |   Dave Barach <dave@barachs.net> | 2017-06-30 08:46:24 -0400 |
|---|---|---|
| committer | Dave Barach <dave@barachs.net> | 2017-06-30 09:12:43 -0400 |
| commit | 85e5b8da28b522ea7a88275f066d127c20eff171 (patch) | |
| tree | 30951bdbd94532d95c0e6cb9771550a983319942 /src/vppinfra/elog.c | |
| parent | f45bc738aaf6bdaff59840932daf546187e38c33 (diff) | |
VPP-893: handle multiple simultaneous event registrations
Change-Id: I8cd90820624987dbef848935e2de86fa66a86c17
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vppinfra/elog.c')
| -rw-r--r-- | src/vppinfra/elog.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/vppinfra/elog.c b/src/vppinfra/elog.c index 12e3f5d4bd8..182ca127b12 100644 --- a/src/vppinfra/elog.c +++ b/src/vppinfra/elog.c @@ -108,6 +108,13 @@ elog_event_type_register (elog_main_t * em, elog_event_type_t * t) elog_lock (em); + /* Multiple simultaneous registration attempts, */ + if (t->type_index_plus_one > 0) + { + elog_unlock (em); + return t->type_index_plus_one - 1; + } + l = vec_len (em->event_types); t->type_index_plus_one = 1 + l; |