Use sigaction and SA_RESTART in read-tree.c; add option in Makefile.

diff --git a/epoch.c b/epoch.c
index abfd594bb9c9cb0abc427dd35c29a0a6bc929978..3a767486da3e92b782bb67601a60921b7c747bff 100644 (file)
--- a/epoch.c
+++ b/epoch.c
@@ -190,7 +190,7 @@ static void free_mass_counter(struct mass_counter *counter)
  * enqueued, enqueuing the commit in a list of pending commits, in latest
  * commit date first order.
  *
- * The algorithm then preceeds to visit each commit in the pending queue.
+ * The algorithm then proceeds to visit each commit in the pending queue.
  * Upon each visit, the pending mass is added to the mass already seen for that
  * commit and then divided into N equal portions, where N is the number of
  * parents of the commit being visited. The divided portions are then injected
@@ -499,7 +499,7 @@ static int emit_stack(struct commit_list **stack, emitter_func emitter, int incl
                if (*stack || include_last) {
                        if (!*stack) 
                                next->object.flags |= BOUNDARY;
-                       action = (*emitter) (next);
+                       action = emitter(next);
                }
        }
 
@@ -545,7 +545,7 @@ static int sort_in_merge_order(struct commit *head_of_epoch, emitter_func emitte
                                if (next->object.flags & UNINTERESTING) {
                                        action = STOP;
                                } else {
-                                       action = (*emitter) (next);
+                                       action = emitter(next);
                                }
                                if (action != STOP) {
                                        next = next->parents->item;
@@ -562,7 +562,7 @@ static int sort_in_merge_order(struct commit *head_of_epoch, emitter_func emitte
        }
 
        if (next && (action != STOP) && !ret) {
-               (*emitter) (next);
+               emitter(next);
        }
 
        return ret;
@@ -582,14 +582,8 @@ int sort_list_in_merge_order(struct commit_list *list, emitter_func emitter)
        int action = CONTINUE;
        struct commit_list *reversed = NULL;
 
-       for (; list; list = list->next) {
-               struct commit *next = list->item;
-
-               if (!(next->object.flags & DUPCHECK)) {
-                       next->object.flags |= DUPCHECK;
-                       commit_list_insert(list->item, &reversed);
-               }
-       }
+       for (; list; list = list->next)
+               commit_list_insert(list->item, &reversed);
 
        if (!reversed)
                return ret;
@@ -612,7 +606,7 @@ int sort_list_in_merge_order(struct commit_list *list, emitter_func emitter)
                while (reversed) {
                        struct commit * next = pop_commit(&reversed);
 
-                       if (!(next->object.flags & VISITED)) {
+                       if (!(next->object.flags & VISITED) && next!=base) {
                                sort_first_epoch(next, &stack);
                                if (reversed) {
                                        /*