Changeset fd365da for libcfa/src/concurrency/locks.hfa

Timestamp:

Jun 27, 2022, 1:51:00 PM (2 years ago)

Author:

caparsons <caparson@…>

Branches:

ADT, ast-experimental, master, pthread-emulation, qualifiedEnum

Children:

b01d459

Parents:

d28524a

Message:

added atomics to other spin_queue style locks

File:

• libcfa/src/concurrency/locks.hfa (modified) (4 diffs)

libcfa/src/concurrency/locks.hfa

@@ -533 +533 @@
         #endif
         lock( lock, node );
-        while(held) Pause();
-        held = true;
+        while(__atomic_load_n(&held, __ATOMIC_SEQ_CST)) Pause();
+        __atomic_store_n(&held, true, __ATOMIC_SEQ_CST);
         unlock( lock, node );
         #ifdef __CFA_DEBUG__
@@ -545 +545 @@
         owner = 0p;
         #endif
-        held = false;
+        __atomic_store_n(&held, false, __ATOMIC_SEQ_CST);
 }
 
@@ -586 +586 @@
         #endif
         lock( lock );
-        while(held) Pause();
-        held = true;
+        while(__atomic_load_n(&held, __ATOMIC_SEQ_CST)) Pause();
+        __atomic_store_n(&held, true, __ATOMIC_RELEASE);
         unlock( lock );
         #ifdef __CFA_DEBUG__
@@ -598 +598 @@
         owner = 0p;
         #endif
-        held = false;
+        __atomic_store_n(&held, false, __ATOMIC_RELEASE);
 }