Upgrade rust/crates/lock_api to 0.4.2

Test: make
Change-Id: I135d071f7272d7fe7b3a32f42a983945e4698ffd

7 files changed, 12 insertions, 14 deletions

diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index d56acc5..e1a0b04 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,5 @@
 {
   "git": {
-    "sha1": "74218898303e2ccbc57b864ad868b859f57e1fb8"
+    "sha1": "86969fd7baf94312520e0b5a5f3b0861a0fd411b"
   }
 }
diff --git a/Cargo.toml b/Cargo.toml
index 7d249b5..cdc5b16 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@
 [package]
 edition = "2018"
 name = "lock_api"
-version = "0.4.1"
+version = "0.4.2"
 authors = ["Amanieu d'Antras <amanieu@gmail.com>"]
 description = "Wrappers to create fully-featured Mutex and RwLock types. Compatible with no_std."
 keywords = ["mutex", "rwlock", "lock", "no_std"]
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index 1426c14..9e884a4 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -1,6 +1,6 @@
 [package]
 name = "lock_api"
-version = "0.4.1"
+version = "0.4.2"
 authors = ["Amanieu d'Antras <amanieu@gmail.com>"]
 description = "Wrappers to create fully-featured Mutex and RwLock types. Compatible with no_std."
 license = "Apache-2.0/MIT"
diff --git a/METADATA b/METADATA
index c2340e5..a684451 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@ third_party {
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/lock_api/lock_api-0.4.1.crate"
+    value: "https://static.crates.io/crates/lock_api/lock_api-0.4.2.crate"
   }
-  version: "0.4.1"
+  version: "0.4.2"
   license_type: NOTICE
   last_upgrade_date {
     year: 2020
-    month: 10
-    day: 20
+    month: 11
+    day: 17
   }
 }
diff --git a/src/lib.rs b/src/lib.rs
index de72442..d9097a3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -99,6 +99,8 @@ pub struct GuardSend(());
 /// Marker type which indicates that the Guard type for a lock is not `Send`.
 pub struct GuardNoSend(*mut ());
 
+unsafe impl Sync for GuardNoSend {}
+
 mod mutex;
 pub use crate::mutex::*;
 
diff --git a/src/mutex.rs b/src/mutex.rs
index e435d8a..aded96d 100644
--- a/src/mutex.rs
+++ b/src/mutex.rs
@@ -601,7 +601,7 @@ unsafe impl<'a, R: RawMutex + Sync + 'a, T: ?Sized + Sync + 'a> Sync
     for MappedMutexGuard<'a, R, T>
 {
 }
-unsafe impl<'a, R: RawMutex + 'a, T: ?Sized + 'a> Send for MappedMutexGuard<'a, R, T> where
+unsafe impl<'a, R: RawMutex + 'a, T: ?Sized + Send + 'a> Send for MappedMutexGuard<'a, R, T> where
     R::GuardMarker: Send
 {
 }
diff --git a/src/rwlock.rs b/src/rwlock.rs
index a25c2f4..e97de98 100644
--- a/src/rwlock.rs
+++ b/src/rwlock.rs
@@ -875,8 +875,6 @@ pub struct RwLockReadGuard<'a, R: RawRwLock, T: ?Sized> {
     marker: PhantomData<(&'a T, R::GuardMarker)>,
 }
 
-unsafe impl<'a, R: RawRwLock + 'a, T: ?Sized + Sync + 'a> Sync for RwLockReadGuard<'a, R, T> {}
-
 impl<'a, R: RawRwLock + 'a, T: ?Sized + 'a> RwLockReadGuard<'a, R, T> {
     /// Returns a reference to the original reader-writer lock object.
     pub fn rwlock(s: &Self) -> &'a RwLock<R, T> {
@@ -1051,8 +1049,6 @@ pub struct RwLockWriteGuard<'a, R: RawRwLock, T: ?Sized> {
     marker: PhantomData<(&'a mut T, R::GuardMarker)>,
 }
 
-unsafe impl<'a, R: RawRwLock + 'a, T: ?Sized + Sync + 'a> Sync for RwLockWriteGuard<'a, R, T> {}
-
 impl<'a, R: RawRwLock + 'a, T: ?Sized + 'a> RwLockWriteGuard<'a, R, T> {
     /// Returns a reference to the original reader-writer lock object.
     pub fn rwlock(s: &Self) -> &'a RwLock<R, T> {
@@ -1514,7 +1510,7 @@ pub struct MappedRwLockReadGuard<'a, R: RawRwLock, T: ?Sized> {
 }
 
 unsafe impl<'a, R: RawRwLock + 'a, T: ?Sized + Sync + 'a> Sync for MappedRwLockReadGuard<'a, R, T> {}
-unsafe impl<'a, R: RawRwLock + 'a, T: ?Sized + 'a> Send for MappedRwLockReadGuard<'a, R, T> where
+unsafe impl<'a, R: RawRwLock + 'a, T: ?Sized + Sync + 'a> Send for MappedRwLockReadGuard<'a, R, T> where
     R::GuardMarker: Send
 {
 }
@@ -1652,7 +1648,7 @@ unsafe impl<'a, R: RawRwLock + 'a, T: ?Sized + Sync + 'a> Sync
     for MappedRwLockWriteGuard<'a, R, T>
 {
 }
-unsafe impl<'a, R: RawRwLock + 'a, T: ?Sized + 'a> Send for MappedRwLockWriteGuard<'a, R, T> where
+unsafe impl<'a, R: RawRwLock + 'a, T: ?Sized + Send + 'a> Send for MappedRwLockWriteGuard<'a, R, T> where
     R::GuardMarker: Send
 {
 }