diff options
Diffstat (limited to 'src/libstd/sys/unix/os.rs')
| -rw-r--r-- | src/libstd/sys/unix/os.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstd/sys/unix/os.rs b/src/libstd/sys/unix/os.rs index 1d92e8fc97c..6ef9502ba62 100644 --- a/src/libstd/sys/unix/os.rs +++ b/src/libstd/sys/unix/os.rs @@ -33,6 +33,9 @@ use sys::fd; use vec; const TMPBUF_SZ: usize = 128; +// `ENV_LOCK` is never initialized fully, so this mutex is reentrant! +// Do not use it in a way that might be reentrant, that could lead to +// aliasing `&mut`. static ENV_LOCK: Mutex = Mutex::new(); |