Add a link to `park` in the `park_timeout` doc.

Part of #29378

diff --git a/src/libstd/thread/mod.rs b/src/libstd/thread/mod.rs
index 8e7eaa77cd7098be059fa392fdc28599b9cfd21e..dbc8562ea39fd1e82c5feff6aee42a8681c9a5d3 100644 (file)
--- a/src/libstd/thread/mod.rs
+++ b/src/libstd/thread/mod.rs
@@ -585,9 +585,9 @@ pub fn park() {
 /// Blocks unless or until the current thread's token is made available or
 /// the specified duration has been reached (may wake spuriously).
 ///
-/// The semantics of this function are equivalent to `park()` except that the
-/// thread will be blocked for roughly no longer than `ms`. This method
-/// should not be used for precise timing due to anomalies such as
+/// The semantics of this function are equivalent to [`park()`][[park] except
+/// that the thread will be blocked for roughly no longer than `dur`. This
+/// method should not be used for precise timing due to anomalies such as
 /// preemption or platform differences that may not cause the maximum
 /// amount of time waited to be precisely `ms` long.
 ///
@@ -595,6 +595,7 @@ pub fn park() {
 ///
 /// [thread]: index.html
 /// [park_timeout]: fn.park_timeout.html
+/// [park]: fn.park.html
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_deprecated(since = "1.6.0", reason = "replaced by `std::thread::park_timeout`")]
 pub fn park_timeout_ms(ms: u32) {
@@ -604,9 +605,9 @@ pub fn park_timeout_ms(ms: u32) {
 /// Blocks unless or until the current thread's token is made available or
 /// the specified duration has been reached (may wake spuriously).
 ///
-/// The semantics of this function are equivalent to `park()` except that the
-/// thread will be blocked for roughly no longer than `dur`. This method
-/// should not be used for precise timing due to anomalies such as
+/// The semantics of this function are equivalent to [`park()`][[park] except
+/// that the thread will be blocked for roughly no longer than `dur`. This
+/// method should not be used for precise timing due to anomalies such as
 /// preemption or platform differences that may not cause the maximum
 /// amount of time waited to be precisely `dur` long.
 ///
@@ -635,6 +636,8 @@ pub fn park_timeout_ms(ms: u32) {
 ///     park_timeout(timeout);
 /// }
 /// ```
+///
+/// [park]: fn.park.html
 #[stable(feature = "park_timeout", since = "1.4.0")]
 pub fn park_timeout(dur: Duration) {
     let thread = current();