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Commit 55c658b

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DiuDiu777DiuDiu777
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fix ptr inconsistency in Rc Arc
1 parent c8a5072 commit 55c658b

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+47
-23
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2 files changed

+47
-23
lines changed

‎library/alloc/src/rc.rs‎

Lines changed: 24 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1327,10 +1327,13 @@ impl<T: ?Sized> Rc<T> {
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///
13281328
/// # Safety
13291329
///
1330-
/// The pointer must have been obtained through `Rc::into_raw`, the
1331-
/// associated `Rc` instance must be valid (i.e. the strong count must be at
1330+
/// The pointer must have been obtained through `Rc::into_raw` and must satisfy the
1331+
/// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
1332+
/// The associated `Rc` instance must be valid (i.e. the strong count must be at
13321333
/// least 1) for the duration of this method, and `ptr` must point to a block of memory
1333-
/// allocated by the global allocator.
1334+
/// allocated by `alloc`.
1335+
///
1336+
/// [from_raw_in]: Rc::from_raw_in
13341337
///
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/// # Examples
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///
@@ -1360,12 +1363,15 @@ impl<T: ?Sized> Rc<T> {
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///
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/// # Safety
13621365
///
1363-
/// The pointer must have been obtained through `Rc::into_raw`, the
1364-
/// associated `Rc` instance must be valid (i.e. the strong count must be at
1366+
/// The pointer must have been obtained through `Rc::into_raw`and must satisfy the
1367+
/// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
1368+
/// The associated `Rc` instance must be valid (i.e. the strong count must be at
13651369
/// least 1) when invoking this method, and `ptr` must point to a block of memory
13661370
/// allocated by the global allocator. This method can be used to release the final `Rc` and
13671371
/// backing storage, but **should not** be called after the final `Rc` has been released.
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///
1373+
/// [from_raw_in]: Rc::from_raw_in
1374+
///
13691375
/// # Examples
13701376
///
13711377
/// ```
@@ -1623,10 +1629,13 @@ impl<T: ?Sized, A: Allocator> Rc<T, A> {
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///
16241630
/// # Safety
16251631
///
1626-
/// The pointer must have been obtained through `Rc::into_raw`, the
1627-
/// associated `Rc` instance must be valid (i.e. the strong count must be at
1632+
/// The pointer must have been obtained through `Rc::into_raw` and must satisfy the
1633+
/// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
1634+
/// The associated `Rc` instance must be valid (i.e. the strong count must be at
16281635
/// least 1) for the duration of this method, and `ptr` must point to a block of memory
1629-
/// allocated by `alloc`
1636+
/// allocated by `alloc`.
1637+
///
1638+
/// [from_raw_in]: Rc::from_raw_in
16301639
///
16311640
/// # Examples
16321641
///
@@ -1665,11 +1674,14 @@ impl<T: ?Sized, A: Allocator> Rc<T, A> {
16651674
///
16661675
/// # Safety
16671676
///
1668-
/// The pointer must have been obtained through `Rc::into_raw`, the
1669-
/// associated `Rc` instance must be valid (i.e. the strong count must be at
1677+
/// The pointer must have been obtained through `Rc::into_raw`and must satisfy the
1678+
/// same layout requirements specified in [`Rc::from_raw_in`][from_raw_in].
1679+
/// The associated `Rc` instance must be valid (i.e. the strong count must be at
16701680
/// least 1) when invoking this method, and `ptr` must point to a block of memory
1671-
/// allocated by `alloc`. This method can be used to release the final `Rc` and backing storage,
1672-
/// but **should not** be called after the final `Rc` has been released.
1681+
/// allocated by the global allocator. This method can be used to release the final `Rc` and
1682+
/// backing storage, but **should not** be called after the final `Rc` has been released.
1683+
///
1684+
/// [from_raw_in]: Rc::from_raw_in
16731685
///
16741686
/// # Examples
16751687
///

‎library/alloc/src/sync.rs‎

Lines changed: 23 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -1453,11 +1453,14 @@ impl<T: ?Sized> Arc<T> {
14531453
///
14541454
/// # Safety
14551455
///
1456-
/// The pointer must have been obtained through `Arc::into_raw`, and the
1457-
/// associated `Arc` instance must be valid (i.e. the strong count must be at
1456+
/// The pointer must have been obtained through `Arc::into_raw` and must satisfy the
1457+
/// same layout requirements specified in [`Arc::from_raw_in`][from_raw_in].
1458+
/// The associated `Arc` instance must be valid (i.e. the strong count must be at
14581459
/// least 1) for the duration of this method, and `ptr` must point to a block of memory
14591460
/// allocated by the global allocator.
14601461
///
1462+
/// [from_raw_in]: Arc::from_raw_in
1463+
///
14611464
/// # Examples
14621465
///
14631466
/// ```
@@ -1488,13 +1491,16 @@ impl<T: ?Sized> Arc<T> {
14881491
///
14891492
/// # Safety
14901493
///
1491-
/// The pointer must have been obtained through `Arc::into_raw`, and the
1492-
/// associated `Arc` instance must be valid (i.e. the strong count must be at
1494+
/// The pointer must have been obtained through `Arc::into_raw` and must satisfy the
1495+
/// same layout requirements specified in [`Arc::from_raw_in`][from_raw_in].
1496+
/// The associated `Arc` instance must be valid (i.e. the strong count must be at
14931497
/// least 1) when invoking this method, and `ptr` must point to a block of memory
14941498
/// allocated by the global allocator. This method can be used to release the final
14951499
/// `Arc` and backing storage, but **should not** be called after the final `Arc` has been
14961500
/// released.
14971501
///
1502+
/// [from_raw_in]: Arc::from_raw_in
1503+
///
14981504
/// # Examples
14991505
///
15001506
/// ```
@@ -1806,10 +1812,13 @@ impl<T: ?Sized, A: Allocator> Arc<T, A> {
18061812
///
18071813
/// # Safety
18081814
///
1809-
/// The pointer must have been obtained through `Arc::into_raw`, and the
1810-
/// associated `Arc` instance must be valid (i.e. the strong count must be at
1811-
/// least 1) for the duration of this method,, and `ptr` must point to a block of memory
1812-
/// allocated by `alloc`.
1815+
/// The pointer must have been obtained through `Arc::into_raw` and must satisfy the
1816+
/// same layout requirements specified in [`Arc::from_raw_in`][from_raw_in].
1817+
/// The associated `Arc` instance must be valid (i.e. the strong count must be at
1818+
/// least 1) for the duration of this method, and `ptr` must point to a block of memory
1819+
/// allocated by the global allocator.
1820+
///
1821+
/// [from_raw_in]: Arc::from_raw_in
18131822
///
18141823
/// # Examples
18151824
///
@@ -1850,13 +1859,16 @@ impl<T: ?Sized, A: Allocator> Arc<T, A> {
18501859
///
18511860
/// # Safety
18521861
///
1853-
/// The pointer must have been obtained through `Arc::into_raw`, the
1854-
/// associated `Arc` instance must be valid (i.e. the strong count must be at
1862+
/// The pointer must have been obtained through `Arc::into_raw` and must satisfy the
1863+
/// same layout requirements specified in [`Arc::from_raw_in`][from_raw_in].
1864+
/// The associated `Arc` instance must be valid (i.e. the strong count must be at
18551865
/// least 1) when invoking this method, and `ptr` must point to a block of memory
1856-
/// allocated by `alloc`. This method can be used to release the final
1866+
/// allocated by the global allocator. This method can be used to release the final
18571867
/// `Arc` and backing storage, but **should not** be called after the final `Arc` has been
18581868
/// released.
18591869
///
1870+
/// [from_raw_in]: Arc::from_raw_in
1871+
///
18601872
/// # Examples
18611873
///
18621874
/// ```

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