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This commit is contained in:
Nabeel Omer 2016-10-13 21:07:18 +05:30
parent cd314ab058
commit b491ddd0f0
1 changed files with 8 additions and 3 deletions
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11
src/libstd/sync/rwlock.rs
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@ -63,9 +63,6 @@ use sys_common::rwlock as sys;
/// assert_eq!(*w, 6);
/// } // write lock is dropped here
/// ```
/// # Panics
///
/// This function might panic when called if the lock is already held by the current thread.
#[stable(feature = "rust1", since = "1.0.0")]
pub struct RwLock<T: ?Sized> {
inner: Box<sys::RWLock>,
@ -139,6 +136,10 @@ impl<T: ?Sized> RwLock<T> {
/// This function will return an error if the RwLock is poisoned. An RwLock
/// is poisoned whenever a writer panics while holding an exclusive lock.
/// The failure will occur immediately after the lock has been acquired.
///
/// # Panics
///
/// This function might panic when called if the lock is already held by the current thread.
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn read(&self) -> LockResult<RwLockReadGuard<T>> {
@ -191,6 +192,10 @@ impl<T: ?Sized> RwLock<T> {
/// This function will return an error if the RwLock is poisoned. An RwLock
/// is poisoned whenever a writer panics while holding an exclusive lock.
/// An error will be returned when the lock is acquired.
///
/// # Panics
///
/// This function might panic when called if the lock is already held by the current thread.
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn write(&self) -> LockResult<RwLockWriteGuard<T>> {