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| author | Ralf Jung <post@ralfj.de> | 2018-08-06 12:45:27 +0200 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2018-08-06 12:54:44 +0200 |
| commit | d3d31105e99f5265880d0f010436ed5c6baab034 (patch) | |
| tree | 02ea7c780c9e844e81763cecc19b9c9ec8604391 /src/libstd/sys/unix/os.rs | |
| parent | 7c98d2e63f732682b057c8c453b08f9e12b262e6 (diff) | |
| download | rust-d3d31105e99f5265880d0f010436ed5c6baab034.tar.gz rust-d3d31105e99f5265880d0f010436ed5c6baab034.zip | |
clarify partially initialized Mutex issues
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(); |