Merge pull request #145 from Daniel-B-Smith/commit-send

Mark FdbFuture as Send + Sync

Author: Vincent Rouillé

foundationdb-sys/Cargo.toml

@@ -30,4 +30,4 @@ fdb-6_0 = [ ]
 [dependencies]
 
 [build-dependencies]
-bindgen = "0.50"
+bindgen = "0.51"

foundationdb/Cargo.toml

@@ -39,6 +39,7 @@ byteorder = "1.2"
 log = "0.4"
 uuid = { version = "0.7", optional = true }
 rand = "0.7.0"
+static_assertions = "1.1"
 
 [dev-dependencies]
 rand = "0.7"

foundationdb/src/future.rs

@@ -81,6 +81,9 @@ impl futures::Future for FdbFuture {
     }
 }
 
+unsafe impl Send for FdbFuture {}
+unsafe impl Sync for FdbFuture {}
+
 // The callback from fdb C API can be called from multiple threads. so this callback should be
 // thread-safe.
 extern "C" fn fdb_future_callback(

foundationdb/src/lib.rs

@@ -121,6 +121,8 @@ extern crate futures;
 extern crate core;
 extern crate lazy_static;
 extern crate rand;
+#[macro_use]
+extern crate static_assertions;
 #[cfg(feature = "uuid")]
 extern crate uuid;
 

foundationdb/src/transaction.rs

@@ -1038,3 +1038,8 @@ impl Future for TrxFuture {
         }
     }
 }
+
+#[allow(unused)]
+fn test_futures_are_send_sync() {
+    assert_impl_all!(TrxCommit: Send, Sync);
+}