diff options
| -rw-r--r-- | ev.pod | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -398,8 +398,10 @@ If this flag bit is or'ed into the flag value (or the program runs setuid or setgid) then libev will I<not> look at the environment variable C<LIBEV_FLAGS>. Otherwise (the default), this environment variable will override the flags completely if it is found in the environment. This is -useful to try out specific backends to test their performance, or to work -around bugs. +useful to try out specific backends to test their performance, to work +around bugs, or to make libev threadsafe (accessing environment variables +cannot be done in a threadsafe way, but usually it works if no other +thread modifies them). =item C<EVFLAG_FORKCHECK> |