library/std/src/sys/unix/locks/mod.rs

   1 cfg_if::cfg_if! {
   2     if #[cfg(any(
   3         target_os = "linux",
   4         target_os = "android",
   5         all(target_os = "emscripten", target_feature = "atomics"),
   6         target_os = "freebsd",
   7         target_os = "openbsd",
   8         target_os = "dragonfly",
   9     ))] {
  10         mod futex_mutex;
  11         mod futex_rwlock;
  12         mod futex_condvar;
  13         pub(crate) use futex_mutex::Mutex;
  14         pub(crate) use futex_rwlock::RwLock;
  15         pub(crate) use futex_condvar::Condvar;
  16     } else if #[cfg(target_os = "fuchsia")] {
  17         mod fuchsia_mutex;
  18         mod futex_rwlock;
  19         mod futex_condvar;
  20         pub(crate) use fuchsia_mutex::Mutex;
  21         pub(crate) use futex_rwlock::RwLock;
  22         pub(crate) use futex_condvar::Condvar;
  23     } else {
  24         mod pthread_mutex;
  25         mod pthread_rwlock;
  26         mod pthread_condvar;
  27         pub(crate) use pthread_mutex::Mutex;
  28         pub(crate) use pthread_rwlock::RwLock;
  29         pub(crate) use pthread_condvar::Condvar;
  30     }
  31 }