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| author | Nat Goodspeed <nat@lindenlab.com> | 2021-05-17 10:24:27 -0400 |
|---|---|---|
| committer | Nat Goodspeed <nat@lindenlab.com> | 2021-05-17 10:24:27 -0400 |
| commit | 87faf258911f5d23416500ff632050ce05b30e3e (patch) | |
| tree | 120f10eb9097ed75d7cc7da95365670c1fb5b882 /indra/llfilesystem/lldiskcache.h | |
| parent | 89cf988aaf0de402641cd945e7e9ad5292bc78d6 (diff) | |
SL-15200: Explain why purge() is called on another thread.
Also add Ansariel's explanation for why interaction through the filesystem
itself should be safe.
Diffstat (limited to 'indra/llfilesystem/lldiskcache.h')
| -rw-r--r-- | indra/llfilesystem/lldiskcache.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/indra/llfilesystem/lldiskcache.h b/indra/llfilesystem/lldiskcache.h index 7c5b798f7e..268fe92bcc 100644 --- a/indra/llfilesystem/lldiskcache.h +++ b/indra/llfilesystem/lldiskcache.h @@ -121,6 +121,10 @@ class LLDiskCache : * * WARNING: purge() is called by LLPurgeDiskCacheThread. As such it must * NOT touch any LLDiskCache data without introducing and locking a mutex! + * + * Purging the disk cache involves nontrivial work on the viewer's + * filesystem. If called on the main thread, this causes a noticeable + * freeze. */ void purge(); |