Removed phony atomic operations for void* and VALUE

ruby_atomic.h

@@ -162,14 +162,7 @@ typedef unsigned int rb_atomic_t;
 # if SIZEOF_VOIDP == SIZEOF_SIZE_T
 #   define ATOMIC_PTR_EXCHANGE(var, val) (void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))
 # else
-#   define ATOMIC_PTR_EXCHANGE(var, val) ruby_atomic_ptr_exchange((const void **)&(var), (val))
-static inline void *
-ruby_atomic_ptr_exchange(const void **ptr, const void *val)
-{
-    const void *const old = *ptr;
-    *ptr = val;
-    return (void *)old;
-}
+#   error No atomic exchange for void*
 # endif
 #endif
 
@@ -177,14 +170,7 @@ ruby_atomic_ptr_exchange(const void **ptr, const void *val)
 # if SIZEOF_VOIDP == SIZEOF_SIZE_T
 #   define ATOMIC_PTR_CAS(var, oldval, val) (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))
 # else
-#   define ATOMIC_PTR_CAS(var, oldval, val) ruby_atomic_ptr_cas(&(var), (oldval), (val))
-static inline void *
-ruby_atomic_ptr_cas(const void **ptr, const void *oldval, const void *val)
-{
-    const void *const old = *ptr;
-    if (old == oldval) *ptr = val;
-    return (void *)old;
-}
+#   error No atomic compare-and-set for void*
 # endif
 #endif
 
@@ -192,14 +178,7 @@ ruby_atomic_ptr_cas(const void **ptr, const void *oldval, const void *val)
 # if SIZEOF_VALUE == SIZEOF_SIZE_T
 #   define ATOMIC_VALUE_EXCHANGE(var, val) ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))
 # else
-#   define ATOMIC_VALUE_EXCHANGE(var, val) ruby_atomic_value_exchange(&(var), (val))
-static inline VALUE
-ruby_atomic_value_exchange(VALUE *ptr, VALUE val)
-{
-    const VALUE old = *ptr;
-    *ptr = val;
-    return old;
-}
+#   error No atomic exchange for VALUE
 # endif
 #endif
 
@@ -207,14 +186,7 @@ ruby_atomic_value_exchange(VALUE *ptr, VALUE val)
 # if SIZEOF_VALUE == SIZEOF_SIZE_T
 #   define ATOMIC_VALUE_CAS(var, oldval, val) ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))
 # else
-#   define ATOMIC_VALUE_CAS(var, oldval, val) ruby_atomic_value_cas(&(var), (oldval), (val))
-static inline VALUE
-ruby_atomic_value_cas(VALUE *ptr, VALUE oldval, VALUE val)
-{
-    const VALUE old = *ptr;
-    if (old == oldval) *ptr = val;
-    return old;
-}
+#   error No atomic compare-and-set for VALUE
 # endif
 #endif
 

tool/sync_default_gems.rb

@@ -374,11 +374,15 @@ def sync_default_gems_with_commits(gem, range)
 
     if result.empty?
       skipped = true
-    elsif result.start_with?("CONFLICT")
+    elsif /^CONFLICT/ =~ result
       result = IO.popen(%W"git status --porcelain", &:readlines).each(&:chomp!)
-      ignore = result.map {|line| /^DU / =~ line and IGNORE_FILE_PATTERN =~ (name = $') and name}
+      ignore = result.map {|line| /^.U / =~ line and IGNORE_FILE_PATTERN =~ (name = $') and name}
       ignore.compact!
-      system(*%W"git reset", *ignore) unless ignore.empty?
+      warn "Resetting #{ignore}"
+      unless ignore.empty?
+        system(*%W"git reset HEAD --", *ignore)
+        system(*%W"git checkout HEAD --", *ignore)
+      end
       skipped = !system({"GIT_EDITOR"=>"true"}, *%W"git cherry-pick --no-edit --continue")
     end