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| author | dormando <dormando@rydia.net> | 2020-11-10 22:20:10 -0800 |
|---|---|---|
| committer | dormando <dormando@rydia.net> | 2020-11-11 21:23:35 -0800 |
| commit | 2251d98cd7ecb7dd4b2f58fe9b97f5799eb39edc (patch) | |
| tree | 089383cc7b09fdf7b98e778b354ce612200cf8bd /t | |
| parent | 19aac5aeca5aaf588dc58d5c04264c6be14ff7c0 (diff) | |
| download | memcached-2251d98cd7ecb7dd4b2f58fe9b97f5799eb39edc.tar.gz | |
extstore: use fcntl locking on disk file
if you accidentally start memcached with the same options twice,
extstore is initiated before the listener sockets and will happily
truncate its own file.
So this avoids that. Keep in mind any other process can still wipe the
file clean!
Diffstat (limited to 't')
| -rw-r--r-- | t/extstore.t | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/t/extstore.t b/t/extstore.t index 1790a54..116a7f4 100644 --- a/t/extstore.t +++ b/t/extstore.t @@ -20,6 +20,11 @@ $ext_path = "/tmp/extstore.$$"; my $server = new_memcached("-m 64 -U 0 -o ext_page_size=8,ext_wbuf_size=2,ext_threads=1,ext_io_depth=2,ext_item_size=512,ext_item_age=2,ext_recache_rate=10000,ext_max_frag=0.9,ext_path=$ext_path:64m,slab_automove=0,ext_compact_under=1"); my $sock = $server->sock; +eval { + my $server = new_memcached("-o ext_path=$ext_path:64m"); +}; +ok($@, "failed to start a second server with the same file path"); + # Wait until all items have flushed sub wait_for_ext { my $target = shift || 0; |