Fix a bug found during code review

akukanov · akukanov · commit e35c2c2cc3c0 · 2025-07-30T14:49:03.000+02:00
diff --git a/src/tbb/arena_slot.h b/src/tbb/arena_slot.h
@@ -191,7 +191,7 @@ class arena_slot : private arena_slot_shared_state, private arena_slot_private_s
             hd = head.load(std::memory_order_relaxed);
             tl = tail.load(std::memory_order_relaxed);
             unlock_task_pool(the_task_pool);
-            if ( (std::intptr_t)hd > (std::intptr_t)tl || ( hd == tl && !tail_unstable ) ) {
+            if ( (std::intptr_t)hd >= (std::intptr_t)tl && !tail_unstable ) {
                 return false;
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -191,7 +191,7 @@ class arena_slot : private arena_slot_shared_state, private arena_slot_private_s`
`191`	`191`	`hd = head.load(std::memory_order_relaxed);`
`192`	`192`	`tl = tail.load(std::memory_order_relaxed);`
`193`	`193`	`unlock_task_pool(the_task_pool);`
`194`		`- if ( (std::intptr_t)hd > (std::intptr_t)tl \|\| ( hd == tl && !tail_unstable ) ) {`
	`194`	`+ if ( (std::intptr_t)hd >= (std::intptr_t)tl && !tail_unstable ) {`
`195`	`195`	`return false;`
`196`	`196`	`}`
`197`	`197`	`}`