Changeset 3f0b062

Timestamp:

Oct 23, 2023, 8:55:09 AM (14 months ago)

Author:

caparsons <caparson@…>

Branches:

master

Children:

8df19af

Parents:

ca995e3

Message:

ifdef'd the arm fences that were added to channels so that they only appear on the arm

File:

• libcfa/src/concurrency/channel.hfa (modified) (3 diffs)

libcfa/src/concurrency/channel.hfa

@@ -28 +28 @@
     unlock( lock );
     park();
+    #if defined(__ARM_ARCH)
     __atomic_thread_fence( __ATOMIC_SEQ_CST );
+    #endif
     return sn.extra == 0p;
 }
@@ -131 +133 @@
 static inline void __cons_handoff( channel(T) & chan, T & elem ) with(chan) {
     memcpy( cons`first.extra, (void *)&elem, sizeof(T) ); // do waiting consumer work
+    #if defined(__ARM_ARCH)
     __atomic_thread_fence( __ATOMIC_SEQ_CST );
+    #endif
     wake_one( cons );
 }
@@ -138 +142 @@
 static inline void __prods_handoff( channel(T) & chan, T & retval ) with(chan) {
     memcpy( (void *)&retval, prods`first.extra, sizeof(T) );
+    #if defined(__ARM_ARCH)
     __atomic_thread_fence( __ATOMIC_SEQ_CST );
+    #endif
     wake_one( prods );
 }