X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Flib%2Fobject.h;h=25240b2000b2510074eaee8fcae143d4abb234ac;hb=6871026b82224d83bb63cbb44cc33c16c766d96d;hp=61a502f4254f1a98855c86e30cce553e161922b9;hpb=91d8147391efdc4d42cc4e1c171a65c0372a008f;p=babeltrace.git diff --git a/src/lib/object.h b/src/lib/object.h index 61a502f4..25240b20 100644 --- a/src/lib/object.h +++ b/src/lib/object.h @@ -28,6 +28,18 @@ #include "common/assert.h" #include +/* + * Some parts of the Babeltrace project use this internal library header + * for internal reference counting. Until we make this header generic + * for the whole project, make it possible to disable logging in this + * file by defining `BT_OBJECT_DONT_LOG` because it's possible that the + * BT_LOGT() statements here won't find the log level + * (`BT_LOG_OUTPUT_LEVEL`). + */ +#if defined(BT_LOGT) && !defined(BT_OBJECT_DONT_LOG) +# define _BT_OBJECT_LOGGING_ENABLED +#endif + struct bt_object; typedef void (*bt_object_release_func)(struct bt_object *); @@ -35,10 +47,10 @@ typedef void (*bt_object_parent_is_owner_listener_func)( struct bt_object *); static inline -void bt_object_get_no_null_check(const void *obj); +void bt_object_get_ref_no_null_check(const void *obj); static inline -void bt_object_put_no_null_check(const void *obj); +void bt_object_put_ref_no_null_check(const void *obj); /* * Babeltrace object base. @@ -114,7 +126,7 @@ struct bt_object *bt_object_get_parent(const struct bt_object *c_obj) struct bt_object *parent = bt_object_borrow_parent(obj); if (parent) { - bt_object_get_no_null_check(parent); + bt_object_get_ref_no_null_check(parent); } return parent; @@ -126,8 +138,8 @@ void bt_object_set_parent(struct bt_object *child, struct bt_object *parent) BT_ASSERT(child); BT_ASSERT(child->is_shared); -#ifdef BT_LOGV - BT_LOGV("Setting object's parent: addr=%p, parent-addr=%p", +#ifdef _BT_OBJECT_LOGGING_ENABLED + BT_LOGT("Setting object's parent: addr=%p, parent-addr=%p", child, parent); #endif @@ -140,10 +152,10 @@ void bt_object_set_parent(struct bt_object *child, struct bt_object *parent) if (parent) { BT_ASSERT(!child->parent); child->parent = parent; - bt_object_get_no_null_check(parent); + bt_object_get_ref_no_null_check(parent); } else { if (child->parent) { - bt_object_put_no_null_check(child->parent); + bt_object_put_ref_no_null_check(child->parent); } child->parent = NULL; @@ -173,8 +185,8 @@ void bt_object_with_parent_release_func(struct bt_object *obj) */ struct bt_object *parent = obj->parent; -#ifdef BT_LOGV - BT_LOGV("Releasing parented object: addr=%p, ref-count=%llu, " +#ifdef _BT_OBJECT_LOGGING_ENABLED + BT_LOGT("Releasing parented object: addr=%p, ref-count=%llu, " "parent-addr=%p, parent-ref-count=%llu", obj, obj->ref_count, parent, parent->ref_count); @@ -191,7 +203,7 @@ void bt_object_with_parent_release_func(struct bt_object *obj) } /* The release function will be invoked by the parent. */ - bt_object_put_no_null_check(parent); + bt_object_put_ref_no_null_check(parent); } else { bt_object_try_spec_release(obj); } @@ -256,15 +268,15 @@ void bt_object_inc_ref_count(const struct bt_object *c_obj) } static inline -void bt_object_get_no_null_check_no_parent_check(const struct bt_object *c_obj) +void bt_object_get_ref_no_null_check_no_parent_check(const struct bt_object *c_obj) { struct bt_object *obj = (void *) c_obj; BT_ASSERT(obj); BT_ASSERT(obj->is_shared); -#ifdef BT_LOGV - BT_LOGV("Incrementing object's reference count: %llu -> %llu: " +#ifdef _BT_OBJECT_LOGGING_ENABLED + BT_LOGT("Incrementing object's reference count: %llu -> %llu: " "addr=%p, cur-count=%llu, new-count=%llu", obj->ref_count, obj->ref_count + 1, obj, obj->ref_count, obj->ref_count + 1); @@ -274,7 +286,7 @@ void bt_object_get_no_null_check_no_parent_check(const struct bt_object *c_obj) } static inline -void bt_object_get_no_null_check(const void *c_obj) +void bt_object_get_ref_no_null_check(const void *c_obj) { struct bt_object *obj = (void *) c_obj; @@ -282,16 +294,16 @@ void bt_object_get_no_null_check(const void *c_obj) BT_ASSERT(obj->is_shared); if (G_UNLIKELY(obj->parent && bt_object_get_ref_count(obj) == 0)) { -#ifdef BT_LOGV - BT_LOGV("Incrementing object's parent's reference count: " +#ifdef _BT_OBJECT_LOGGING_ENABLED + BT_LOGT("Incrementing object's parent's reference count: " "addr=%p, parent-addr=%p", obj, obj->parent); #endif - bt_object_get_no_null_check(obj->parent); + bt_object_get_ref_no_null_check(obj->parent); } -#ifdef BT_LOGV - BT_LOGV("Incrementing object's reference count: %llu -> %llu: " +#ifdef _BT_OBJECT_LOGGING_ENABLED + BT_LOGT("Incrementing object's reference count: %llu -> %llu: " "addr=%p, cur-count=%llu, new-count=%llu", obj->ref_count, obj->ref_count + 1, obj, obj->ref_count, obj->ref_count + 1); @@ -301,7 +313,7 @@ void bt_object_get_no_null_check(const void *c_obj) } static inline -void bt_object_put_no_null_check(const void *c_obj) +void bt_object_put_ref_no_null_check(const void *c_obj) { struct bt_object *obj = (void *) c_obj; @@ -309,8 +321,8 @@ void bt_object_put_no_null_check(const void *c_obj) BT_ASSERT(obj->is_shared); BT_ASSERT(obj->ref_count > 0); -#ifdef BT_LOGV - BT_LOGV("Decrementing object's reference count: %llu -> %llu: " +#ifdef _BT_OBJECT_LOGGING_ENABLED + BT_LOGT("Decrementing object's reference count: %llu -> %llu: " "addr=%p, cur-count=%llu, new-count=%llu", obj->ref_count, obj->ref_count - 1, obj, obj->ref_count, obj->ref_count - 1); @@ -333,11 +345,11 @@ void bt_object_get_ref(const void *ptr) return; } -#ifdef BT_ASSERT_PRE - BT_ASSERT_PRE(obj->is_shared, "Object is not shared: %!+O", obj); +#ifdef BT_ASSERT_PRE_DEV + BT_ASSERT_PRE_DEV(obj->is_shared, "Object is not shared: %!+O", obj); #endif - bt_object_get_no_null_check(obj); + bt_object_get_ref_no_null_check(obj); } static inline @@ -349,13 +361,13 @@ void bt_object_put_ref(const void *ptr) return; } -#ifdef BT_ASSERT_PRE - BT_ASSERT_PRE(obj->is_shared, "Object is not shared: %!+O", obj); - BT_ASSERT_PRE(bt_object_get_ref_count(obj) > 0, +#ifdef BT_ASSERT_PRE_DEV + BT_ASSERT_PRE_DEV(obj->is_shared, "Object is not shared: %!+O", obj); + BT_ASSERT_PRE_DEV(bt_object_get_ref_count(obj) > 0, "Decrementing a reference count set to 0: %!+O", ptr); #endif - bt_object_put_no_null_check(obj); + bt_object_put_ref_no_null_check(obj); } #define BT_OBJECT_PUT_REF_AND_RESET(_var) \