Changeset 949339b for benchmark/bench.h

Timestamp:

Sep 27, 2021, 2:09:55 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, ast-experimental, enum, forall-pointer-decay, master, pthread-emulation, qualifiedEnum, stuck-waitfor-destruct

Children:

cc287800

Parents:

4e28d2e9 (diff), 056cbdb (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc

File:

• benchmark/bench.h (modified) (1 diff)

benchmark/bench.h

@@ -21 +21 @@
         return 1000000000LL * ts.tv_sec + ts.tv_nsec;
 } // bench_time
+
+
+#if defined(__cforall)
+struct test_spinlock {
+        volatile bool lock;
+};
+
+static inline void lock( test_spinlock & this ) {
+        for ( ;; ) {
+                if ( (this.lock == 0) && (__atomic_test_and_set( &this.lock, __ATOMIC_ACQUIRE ) == 0) ) break;
+        }
+}
+
+static inline void unlock( test_spinlock & this ) {
+        __atomic_clear( &this.lock, __ATOMIC_RELEASE );
+}
+#endif
 
 #ifndef BENCH_N