diff options
| author | Krishnan Parthasarathi <kparthas@redhat.com> | 2015-08-13 14:39:58 +0530 |
|---|---|---|
| committer | Niels de Vos <ndevos@redhat.com> | 2015-08-21 05:03:06 -0700 |
| commit | d80537d8e588da57db609332c2d89873e0a368ca (patch) | |
| tree | 24891f4c94d3b5542e8404f6c074870863b922ac /libglusterfs/src/event-epoll.c | |
| parent | e4cefd6c5915dd47c6b42098236df3901665f93a (diff) | |
event: add dispatched flag to know if event_dispatch was called
This is important for glusterfs processes that choose to reconfigure
no. of event-threads (a.k.a epoll worker-threads) before they call
event_dispatch on the event_pool. glusterd needs this today.
Change-Id: Ia8df3c958545324472262c555ed84b71797f002e
BUG: 1242421
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/11911
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Diffstat (limited to 'libglusterfs/src/event-epoll.c')
| -rw-r--r-- | libglusterfs/src/event-epoll.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libglusterfs/src/event-epoll.c b/libglusterfs/src/event-epoll.c index 154bb1b2a27..dfa97cad368 100644 --- a/libglusterfs/src/event-epoll.c +++ b/libglusterfs/src/event-epoll.c @@ -791,7 +791,11 @@ event_reconfigure_threads_epoll (struct event_pool *event_pool, int value) oldthreadcount = event_pool->eventthreadcount; - if (oldthreadcount < value) { + /* Start 'worker' threads as necessary only if event_dispatch() + * was called before. If event_dispatch() was not called, there + * will be no epoll 'worker' threads running yet. */ + + if (event_pool->dispatched && oldthreadcount < value) { /* create more poll threads */ for (i = oldthreadcount; i < value; i++) { /* Start a thread if the index at this location |