Changeset 314dab6 for libcfa

Timestamp:

May 18, 2020, 4:40:10 PM (5 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

7c38d53

Parents:

893da07

Message:

add -latomic flag to cfa.cc to get 16-byte CAS, add containers/stackLockFree.hfa to Makefile headers, fix flag for detecting int128 in stackLockFree.hfa

Location:

libcfa/src

Files:

• Makefile.am (modified) (2 diffs)
• containers/stackLockFree.hfa (modified) (3 diffs)

libcfa/src/Makefile.am ¶

@@ -11 +11 @@
 ## Created On       : Sun May 31 08:54:01 2015
 ## Last Modified By : Peter A. Buhr
-## Last Modified On : Mon Mar 16 18:07:59 2020
-## Update Count     : 242
+## Last Modified On : Sun May 17 21:10:26 2020
+## Update Count     : 243
 ###############################################################################
 
@@ -42 +42 @@
                 bits/align.hfa bits/containers.hfa bits/defs.hfa bits/debug.hfa bits/locks.hfa containers/list.hfa
 headers = fstream.hfa iostream.hfa iterator.hfa limits.hfa rational.hfa time.hfa stdlib.hfa common.hfa \
-                containers/maybe.hfa containers/pair.hfa containers/result.hfa containers/vector.hfa
+                containers/maybe.hfa containers/pair.hfa containers/result.hfa containers/stackLockFree.hfa containers/vector.hfa
 
 libsrc = startup.cfa interpose.cfa bits/debug.cfa assert.cfa exception.c virtual.c heap.cfa ${headers:.hfa=.cfa}

libcfa/src/containers/stackLockFree.hfa ¶

@@ -9 +9 @@
 // Created On       : Wed May 13 20:58:58 2020
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Sun May 17 20:53:37 2020
-// Update Count     : 48
+// Last Modified On : Mon May 18 13:30:08 2020
+// Update Count     : 55
 // 
 
@@ -23 +23 @@
                 uintptr_t count;                                                // count each push
         };
-        #if _GLIBCXX_USE_INT128 == 1
+        #if __SIZEOF_INT128__ == 16
         __int128                                                                        // gcc, 128-bit integer
         #else
         uint64_t                                                                        // 64-bit integer
-        #endif // _GLIBCXX_USE_INT128 == 1
+        #endif // __SIZEOF_INT128__ == 16
         atom;
 }; // Link
@@ -44 +44 @@
                         for () {                                                                        // busy wait
                                 *getNext( &n ) = stack;                                 // atomic assignment unnecessary, or use CAA
-                                if ( __atomic_compare_exchange_n( &stack.atom, &getNext( &n )->atom, (Link(T))@{ {&n, getNext( &n )->count + 1} }.atom, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST ) ) break; // attempt to update top node
+                          if ( __atomic_compare_exchange_n( &stack.atom, &getNext( &n )->atom, (Link(T))@{ {&n, getNext( &n )->count + 1} }.atom, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST ) ) break; // attempt to update top node
                         } // for
                 } // push