diff options
| -rw-r--r-- | include/osmocom/core/fsm.h | 1 | ||||
| -rw-r--r-- | src/fsm.c | 56 | ||||
| -rw-r--r-- | tests/fsm/fsm_dealloc_test.c | 69 | ||||
| -rw-r--r-- | tests/fsm/fsm_dealloc_test.err | 3408 |
4 files changed, 3508 insertions, 26 deletions
diff --git a/include/osmocom/core/fsm.h b/include/osmocom/core/fsm.h index 1701c45e..269befa5 100644 --- a/include/osmocom/core/fsm.h +++ b/include/osmocom/core/fsm.h @@ -122,6 +122,7 @@ struct osmo_fsm_inst { void osmo_fsm_log_addr(bool log_addr); void osmo_fsm_log_timeouts(bool log_timeouts); void osmo_fsm_term_safely(bool term_safely); +void osmo_fsm_set_dealloc_ctx(void *ctx); /*! Log using FSM instance's context, on explicit logging subsystem and level. * \param fi An osmo_fsm_inst. @@ -102,8 +102,20 @@ static __thread struct { unsigned int depth; /*! Talloc context to collect all deferred deallocations (FSM instances, and talloc objects if any). */ void *collect_ctx; + /*! See osmo_fsm_set_dealloc_ctx() */ + void *fsm_dealloc_ctx; } fsm_term_safely; +/*! Internal call to free an FSM instance, which redirects to the context set by osmo_fsm_set_dealloc_ctx() if any. + */ +static void fsm_free_or_steal(void *talloc_object) +{ + if (fsm_term_safely.fsm_dealloc_ctx) + talloc_steal(fsm_term_safely.fsm_dealloc_ctx, talloc_object); + else + talloc_free(talloc_object); +} + /*! specify if FSM instance addresses should be logged or not * * By default, the FSM name includes the pointer address of the \ref @@ -139,11 +151,9 @@ void osmo_fsm_log_timeouts(bool log_timeouts) /*! Enable safer way to deallocate cascades of terminating FSM instances. * - * For legacy compatibility, this is disabled by default. In newer programs / releases, it is recommended to enable this - * feature during main() startup, since it greatly simplifies deallocating child, parent and other FSM instances without - * running into double-free or use-after-free scenarios. When enabled, this feature changes the order of logging, which - * may break legacy unit test expectations, and changes the order of deallocation to after the parent term event is - * dispatched. + * Note, using osmo_fsm_set_dealloc_ctx() is a more general solution to this same problem. + * Particularly, in a program using osmo_select_main_ctx(), the simplest solution to avoid most use-after-free problems + * from FSM instance deallocation is using osmo_fsm_set_dealloc_ctx(OTC_SELECT). * * When enabled, an FSM instance termination detects whether another FSM instance is already terminating, and instead of * deallocating immediately, collects all terminating FSM instances in a talloc context, to be bulk deallocated once all @@ -155,6 +165,9 @@ void osmo_fsm_log_timeouts(bool log_timeouts) * * For illustration, see fsm_dealloc_test.c. * + * When enabled, this feature changes the order of logging, which may break legacy unit test expectations, and changes + * the order of deallocation to after the parent term event is dispatched. + * * \param[in] term_safely Pass true to switch to safer FSM instance termination behavior. */ void osmo_fsm_term_safely(bool term_safely) @@ -162,6 +175,31 @@ void osmo_fsm_term_safely(bool term_safely) fsm_term_safely_enabled = term_safely; } +/*! Instead of deallocating FSM instances, move them to the given talloc context. + * + * It is the caller's responsibility to clear this context to actually free the memory of terminated FSM instances. + * Make sure to not talloc_free(ctx) itself before setting a different osmo_fsm_set_dealloc_ctx(). To clear a ctx + * without the need to call osmo_fsm_set_dealloc_ctx() again, rather use talloc_free_children(ctx). + * + * For example, to defer deallocation to the next osmo_select_main_ctx() iteration, set this to OTC_SELECT. + * + * Deferring deallocation is the simplest solution to avoid most use-after-free problems from FSM instance deallocation. + * This is a simpler and more general solution than osmo_fsm_term_safely(). + * + * To disable the feature again, pass NULL as ctx. + * + * Both osmo_fsm_term_safely() and osmo_fsm_set_dealloc_ctx() can be enabled at the same time, which will result in + * first collecting deallocated FSM instances in fsm_term_safely.collect_ctx, and finally reparenting that to the ctx + * passed here. However, in practice, it does not really make sense to enable both at the same time. + * + * \param ctx[in] Instead of talloc_free()int, talloc_steal() all future deallocated osmo_fsm_inst instances to this + * ctx. If NULL, go back to talloc_free() as usual. + */ +void osmo_fsm_set_dealloc_ctx(void *ctx) +{ + fsm_term_safely.fsm_dealloc_ctx = ctx; +} + /*! talloc_free() the given object immediately, or once ongoing FSM terminations are done. * * If an FSM deallocation cascade is ongoing, talloc_steal() the given talloc_object into the talloc context that is @@ -185,7 +223,7 @@ void osmo_fsm_term_safely(bool term_safely) static void osmo_fsm_defer_free(void *talloc_object) { if (!fsm_term_safely.depth) { - talloc_free(talloc_object); + fsm_free_or_steal(talloc_object); return; } @@ -412,7 +450,7 @@ struct osmo_fsm_inst *osmo_fsm_inst_alloc(struct osmo_fsm *fsm, void *ctx, void osmo_timer_setup(&fi->timer, fsm_tmr_cb, fi); if (osmo_fsm_inst_update_id(fi, id) < 0) { - talloc_free(fi); + fsm_free_or_steal(fi); return NULL; } @@ -529,11 +567,11 @@ void osmo_fsm_inst_free(struct osmo_fsm_inst *fi) * deallocate separately to avoid use-after-free errors, put it in there and deallocate all at once. */ LOGPFSM(fi, "Deallocated, including all deferred deallocations\n"); osmo_fsm_defer_free(fi); - talloc_free(fsm_term_safely.collect_ctx); + fsm_free_or_steal(fsm_term_safely.collect_ctx); fsm_term_safely.collect_ctx = NULL; } else { LOGPFSM(fi, "Deallocated\n"); - talloc_free(fi); + fsm_free_or_steal(fi); } fsm_term_safely.root_fi = NULL; } diff --git a/tests/fsm/fsm_dealloc_test.c b/tests/fsm/fsm_dealloc_test.c index ce492056..9a6974d9 100644 --- a/tests/fsm/fsm_dealloc_test.c +++ b/tests/fsm/fsm_dealloc_test.c @@ -355,7 +355,7 @@ void obj_term(struct obj *obj) osmo_fsm_inst_term(obj->fi, OSMO_FSM_TERM_REGULAR, NULL); } -void test_dealloc(enum objname trigger, bool by_destroy_event) +void test_dealloc(enum objname trigger, bool by_destroy_event, void *loop_ctx) { struct scene *s = scene_alloc(); const char *label = by_destroy_event ? "destroy-event" : "term"; @@ -383,16 +383,63 @@ void test_dealloc(enum objname trigger, bool by_destroy_event) LOGP(DLGLOBAL, LOGL_DEBUG, "--- %d objects remain. cleaning up\n", remain); } else LOGP(DLGLOBAL, LOGL_DEBUG, "--- all deallocated.\n"); + + if (loop_ctx) { + fprintf(stderr, "*** loop_ctx contains %zu blocks, deallocating.\n", + talloc_total_blocks(loop_ctx)); + talloc_free_children(loop_ctx); + } + + /* Silently free the remaining objects. */ scene_clean(s); + if (loop_ctx) + talloc_free_children(loop_ctx); } -int main(void) +static void trigger_tests(void *loop_ctx) { - enum objname trigger; size_t ctx_blocks; size_t ctx_size; + enum objname trigger; int by_destroy_event; + ctx_blocks = talloc_total_blocks(ctx); + ctx_size = talloc_total_size(ctx); + + for (trigger = 0; trigger < scene_size; trigger++) { + for (by_destroy_event = 0; by_destroy_event < 2; by_destroy_event++) { + test_dealloc(trigger, (bool)by_destroy_event, loop_ctx); + + if (ctx_blocks != talloc_total_blocks(ctx) + || ctx_size != talloc_total_size(ctx)) { + talloc_report_full(ctx, stderr); + OSMO_ASSERT(false); + } + } + } +} + +void test_osmo_fsm_term_safely() +{ + fprintf(stderr, "\n\n%s()\n", __func__); + osmo_fsm_term_safely(true); + trigger_tests(NULL); + osmo_fsm_term_safely(false); + fprintf(stderr, "\n\n%s() done\n", __func__); +} + +void test_osmo_fsm_set_dealloc_ctx() +{ + fprintf(stderr, "\n\n%s()\n", __func__); + void *dealloc_ctx = talloc_named_const(ctx, 0, "fsm_dealloc"); + osmo_fsm_set_dealloc_ctx(dealloc_ctx); + trigger_tests(dealloc_ctx); + osmo_fsm_set_dealloc_ctx(NULL); + fprintf(stderr, "\n\n%s() done\n", __func__); +} + +int main(void) +{ ctx = talloc_named_const(NULL, 0, "main"); osmo_init_logging2(ctx, NULL); @@ -405,22 +452,10 @@ int main(void) log_set_category_filter(osmo_stderr_target, DLGLOBAL, 1, LOGL_DEBUG); - osmo_fsm_term_safely(true); osmo_fsm_register(&test_fsm); - ctx_blocks = talloc_total_blocks(ctx); - ctx_size = talloc_total_size(ctx); - - for (trigger = 0; trigger < scene_size; trigger++) { - for (by_destroy_event = 0; by_destroy_event < 2; by_destroy_event++) { - test_dealloc(trigger, (bool)by_destroy_event); - if (ctx_blocks != talloc_total_blocks(ctx) - || ctx_size != talloc_total_size(ctx)) { - talloc_report_full(ctx, stderr); - OSMO_ASSERT(false); - } - } - } + test_osmo_fsm_term_safely(); + test_osmo_fsm_set_dealloc_ctx(); talloc_free(ctx); return 0; diff --git a/tests/fsm/fsm_dealloc_test.err b/tests/fsm/fsm_dealloc_test.err index d12c5aa3..973f3d42 100644 --- a/tests/fsm/fsm_dealloc_test.err +++ b/tests/fsm/fsm_dealloc_test.err @@ -1,3 +1,6 @@ + + +test_osmo_fsm_term_safely() DLGLOBAL DEBUG scene_alloc() DLGLOBAL DEBUG test(root){alive}: Allocated DLGLOBAL DEBUG test(root){alive}: Allocated @@ -3250,3 +3253,3408 @@ DLGLOBAL DEBUG test(other){alive}: Deallocated, including all deferred deallocat DLGLOBAL DEBUG 0 (-) DLGLOBAL DEBUG --- after destroy-event cascade: DLGLOBAL DEBUG --- all deallocated. + + +test_osmo_fsm_term_safely() done + + +test_osmo_fsm_set_dealloc_ctx() +DLGLOBAL DEBUG scene_alloc() +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: is child of test(root) +DLGLOBAL DEBUG test(_branch0){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: is child of test(_branch0) +DLGLOBAL DEBUG test(_branch0){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: is child of test(_branch0) +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: is child of test(root) +DLGLOBAL DEBUG test(_branch1){alive}: Allocated +DLGLOBAL DEBUG test(_branch1){alive}: is child of test(_branch1) +DLGLOBAL DEBUG test(_branch1){alive}: Allocated +DLGLOBAL DEBUG test(_branch1){alive}: is child of test(_branch1) +DLGLOBAL DEBUG test(other){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: _branch0.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[0] = _branch0 +DLGLOBAL DEBUG test(__twig0a){alive}: __twig0a.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[1] = __twig0a +DLGLOBAL DEBUG test(_branch1){alive}: _branch1.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[1] = _branch1 +DLGLOBAL DEBUG test(__twig1a){alive}: __twig1a.other[0] = root +DLGLOBAL DEBUG test(root){alive}: root.other[0] = __twig1a +DLGLOBAL DEBUG ------ before term cascade, got: +DLGLOBAL DEBUG root +DLGLOBAL DEBUG _branch0 +DLGLOBAL DEBUG __twig0a +DLGLOBAL DEBUG __twig0b +DLGLOBAL DEBUG _branch1 +DLGLOBAL DEBUG __twig1a +DLGLOBAL DEBUG __twig1b +DLGLOBAL DEBUG other +DLGLOBAL DEBUG --- +DLGLOBAL DEBUG --- term at root +DLGLOBAL DEBUG test(root){alive}: Terminating (cause = OSMO_FSM_TERM_REGULAR) +DLGLOBAL DEBUG test(root){alive}: pre_term() +DLGLOBAL DEBUG test(_branch1){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(_branch1){alive}: pre_term() +DLGLOBAL DEBUG test(__twig1b){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig1b){alive}: pre_term() +DLGLOBAL DEBUG test(__twig1b){alive}: Removing from parent test(_branch1) +DLGLOBAL DEBUG 1 (__twig1b.cleanup()) +DLGLOBAL DEBUG test(__twig1b){alive}: cleanup() +DLGLOBAL DEBUG test(__twig1b){alive}: scene forgets __twig1b +DLGLOBAL DEBUG test(_branch1){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 2 (__twig1b.cleanup(),_branch1.alive()) +DLGLOBAL DEBUG test(_branch1){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 3 (__twig1b.cleanup(),_branch1.alive(),_branch1.child_gone()) +DLGLOBAL DEBUG test(_branch1){alive}: EV_CHILD_GONE: Dropped reference _branch1.child[1] = __twig1b +DLGLOBAL DEBUG test(_branch1){alive}: still exists: child[0] +DLGLOBAL DEBUG 2 (__twig1b.cleanup(),_branch1.alive()) +DLGLOBAL DEBUG 1 (__twig1b.cleanup()) +DLGLOBAL DEBUG test(__twig1b){alive}: cleanup() done +DLGLOBAL DEBUG 0 (-) +DLGLOBAL DEBUG test(__twig1b){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig1b){alive}: Deallocated +DLGLOBAL DEBUG test(__twig1a){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig1a){alive}: pre_term() +DLGLOBAL DEBUG test(__twig1a){alive}: Removing from parent test(_branch1) +DLGLOBAL DEBUG 1 (__twig1a.cleanup()) +DLGLOBAL DEBUG test(__twig1a){alive}: cleanup() +DLGLOBAL DEBUG test(__twig1a){alive}: scene forgets __twig1a +DLGLOBAL DEBUG test(__twig1a){alive}: removing reference __twig1a.other[0] -> root +DLGLOBAL DEBUG test(root){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 2 (__twig1a.cleanup(),root.alive()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 3 (__twig1a.cleanup(),root.alive(),root.other_gone()) +DLGLOBAL DEBUG test(root){alive}: EV_OTHER_GONE: Dropped reference root.other[0] = __twig1a +DLGLOBAL DEBUG 2 (__twig1a.cleanup(),root.alive()) +DLGLOBAL DEBUG test(root){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 1 (__twig1a.cleanup()) +DLGLOBAL DEBUG test(_branch1){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 2 (__twig1a.cleanup(),_branch1.alive()) +DLGLOBAL DEBUG test(_branch1){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 3 (__twig1a.cleanup(),_branch1.alive(),_branch1.child_gone()) +DLGLOBAL DEBUG test(_branch1){alive}: EV_CHILD_GONE: Dropped reference _branch1.child[0] = __twig1a +DLGLOBAL DEBUG test(_branch1){alive}: No more children +DLGLOBAL DEBUG 2 (__twig1a.cleanup(),_branch1.alive()) +DLGLOBAL DEBUG test(_branch1){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 1 (__twig1a.cleanup()) +DLGLOBAL DEBUG test(__twig1a){alive}: cleanup() done +DLGLOBAL DEBUG 0 (-) +DLGLOBAL DEBUG test(__twig1a){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig1a){alive}: Deallocated +DLGLOBAL DEBUG test(_branch1){alive}: Removing from parent test(root) +DLGLOBAL DEBUG 1 (_branch1.cleanup()) +DLGLOBAL DEBUG test(_branch1){alive}: cleanup() +DLGLOBAL DEBUG test(_branch1){alive}: scene forgets _branch1 +DLGLOBAL DEBUG test(_branch1){alive}: removing reference _branch1.other[0] -> other +DLGLOBAL DEBUG test(other){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 2 (_branch1.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 3 (_branch1.cleanup(),other.alive(),other.other_gone()) +DLGLOBAL DEBUG test(other){alive}: EV_OTHER_GONE: Dropped reference other.other[1] = _branch1 +DLGLOBAL DEBUG 2 (_branch1.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: Terminating (cause = OSMO_FSM_TERM_REGULAR) +DLGLOBAL DEBUG test(other){alive}: pre_term() +DLGLOBAL DEBUG 3 (_branch1.cleanup(),other.alive(),other.cleanup()) +DLGLOBAL DEBUG test(other){alive}: cleanup() +DLGLOBAL DEBUG test(other){alive}: scene forgets other +DLGLOBAL DEBUG test(other){alive}: removing reference other.other[0] -> _branch0 +DLGLOBAL DEBUG test(_branch0){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 4 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.other_gone()) +DLGLOBAL DEBUG test(_branch0){alive}: EV_OTHER_GONE: Dropped reference _branch0.other[0] = other +DLGLOBAL DEBUG 4 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: Terminating (cause = OSMO_FSM_TERM_REGULAR) +DLGLOBAL DEBUG test(_branch0){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0b){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig0b){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0b){alive}: Removing from parent test(_branch0) +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0b.cleanup()) +DLGLOBAL DEBUG test(__twig0b){alive}: cleanup() +DLGLOBAL DEBUG test(__twig0b){alive}: scene forgets __twig0b +DLGLOBAL DEBUG test(_branch0){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 6 (_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0b.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 7 (_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0b.cleanup(),_branch0.child_gone()) +DLGLOBAL DEBUG test(_branch0){alive}: EV_CHILD_GONE: Dropped reference _branch0.child[1] = __twig0b +DLGLOBAL DEBUG test(_branch0){alive}: still exists: child[0] +DLGLOBAL DEBUG 6 (_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0b.cleanup()) +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0b.cleanup()) +DLGLOBAL DEBUG test(__twig0b){alive}: cleanup() done +DLGLOBAL DEBUG 4 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(__twig0b){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig0b){alive}: Deallocated +DLGLOBAL DEBUG test(__twig0a){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig0a){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0a){alive}: Removing from parent test(_branch0) +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(__twig0a){alive}: cleanup() +DLGLOBAL DEBUG test(__twig0a){alive}: scene forgets __twig0a +DLGLOBAL DEBUG test(__twig0a){alive}: removing reference __twig0a.other[0] -> other +DLGLOBAL DEBUG test(other){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 6 (_branch1.cleanup(),2*other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(other){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 7 (_branch1.cleanup(),2*other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup(),other.other_gone()) +DLGLOBAL DEBUG 6 (_branch1.cleanup(),2*other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 6 (_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 7 (_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0a.cleanup(),_branch0.child_gone()) +DLGLOBAL DEBUG test(_branch0){alive}: EV_CHILD_GONE: Dropped reference _branch0.child[0] = __twig0a +DLGLOBAL DEBUG test(_branch0){alive}: No more children +DLGLOBAL DEBUG 6 (_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(__twig0a){alive}: cleanup() done +DLGLOBAL DEBUG 4 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(__twig0a){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig0a){alive}: Deallocated +DLGLOBAL DEBUG test(_branch0){alive}: Removing from parent test(root) +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: cleanup() +DLGLOBAL DEBUG test(_branch0){alive}: scene forgets _branch0 +DLGLOBAL DEBUG test(root){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 6 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup(),root.alive()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 7 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup(),root.alive(),root.child_gone()) +DLGLOBAL DEBUG test(root){alive}: EV_CHILD_GONE: Dropped reference root.child[0] = _branch0 +DLGLOBAL DEBUG test(root){alive}: still exists: child[1] +DLGLOBAL DEBUG 6 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup(),root.alive()) +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: cleanup() done +DLGLOBAL DEBUG 4 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: Freeing instance +DLGLOBAL DEBUG test(_branch0){alive}: Deallocated +DLGLOBAL DEBUG test(root){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 5 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),root.alive()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG test(root){alive}: EV_CHILD_GONE with NULL data, must be a parent_term event. Ignore. +DLGLOBAL DEBUG 4 (_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG 3 (_branch1.cleanup(),other.alive(),other.cleanup()) +DLGLOBAL DEBUG test(other){alive}: cleanup() done +DLGLOBAL DEBUG 2 (_branch1.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: Freeing instance +DLGLOBAL DEBUG test(other){alive}: Deallocated +DLGLOBAL DEBUG 1 (_branch1.cleanup()) +DLGLOBAL DEBUG test(root){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 2 (_branch1.cleanup(),root.alive()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 3 (_branch1.cleanup(),root.alive(),root.child_gone()) +DLGLOBAL DEBUG test(root){alive}: EV_CHILD_GONE: Dropped reference root.child[1] = _branch1 +DLGLOBAL DEBUG test(root){alive}: No more children +DLGLOBAL DEBUG 2 (_branch1.cleanup(),root.alive()) +DLGLOBAL DEBUG test(root){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 1 (_branch1.cleanup()) +DLGLOBAL DEBUG test(_branch1){alive}: cleanup() done +DLGLOBAL DEBUG 0 (-) +DLGLOBAL DEBUG test(_branch1){alive}: Freeing instance +DLGLOBAL DEBUG test(_branch1){alive}: Deallocated +DLGLOBAL DEBUG 1 (root.cleanup()) +DLGLOBAL DEBUG test(root){alive}: cleanup() +DLGLOBAL DEBUG test(root){alive}: scene forgets root +DLGLOBAL DEBUG test(root){alive}: cleanup() done +DLGLOBAL DEBUG 0 (-) +DLGLOBAL DEBUG test(root){alive}: Freeing instance +DLGLOBAL DEBUG test(root){alive}: Deallocated +DLGLOBAL DEBUG --- after term cascade: +DLGLOBAL DEBUG --- all deallocated. +*** loop_ctx contains 33 blocks, deallocating. +DLGLOBAL DEBUG scene_alloc() +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: is child of test(root) +DLGLOBAL DEBUG test(_branch0){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: is child of test(_branch0) +DLGLOBAL DEBUG test(_branch0){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: is child of test(_branch0) +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: is child of test(root) +DLGLOBAL DEBUG test(_branch1){alive}: Allocated +DLGLOBAL DEBUG test(_branch1){alive}: is child of test(_branch1) +DLGLOBAL DEBUG test(_branch1){alive}: Allocated +DLGLOBAL DEBUG test(_branch1){alive}: is child of test(_branch1) +DLGLOBAL DEBUG test(other){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: _branch0.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[0] = _branch0 +DLGLOBAL DEBUG test(__twig0a){alive}: __twig0a.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[1] = __twig0a +DLGLOBAL DEBUG test(_branch1){alive}: _branch1.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[1] = _branch1 +DLGLOBAL DEBUG test(__twig1a){alive}: __twig1a.other[0] = root +DLGLOBAL DEBUG test(root){alive}: root.other[0] = __twig1a +DLGLOBAL DEBUG ------ before destroy-event cascade, got: +DLGLOBAL DEBUG root +DLGLOBAL DEBUG _branch0 +DLGLOBAL DEBUG __twig0a +DLGLOBAL DEBUG __twig0b +DLGLOBAL DEBUG _branch1 +DLGLOBAL DEBUG __twig1a +DLGLOBAL DEBUG __twig1b +DLGLOBAL DEBUG other +DLGLOBAL DEBUG --- +DLGLOBAL DEBUG --- destroy-event at root +DLGLOBAL DEBUG test(root){alive}: Received Event EV_DESTROY +DLGLOBAL DEBUG 1 (root.alive()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_DESTROY) +DLGLOBAL DEBUG test(root){alive}: Terminating (cause = OSMO_FSM_TERM_REGULAR) +DLGLOBAL DEBUG test(root){alive}: pre_term() +DLGLOBAL DEBUG test(_branch1){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(_branch1){alive}: pre_term() +DLGLOBAL DEBUG test(__twig1b){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig1b){alive}: pre_term() +DLGLOBAL DEBUG test(__twig1b){alive}: Removing from parent test(_branch1) +DLGLOBAL DEBUG 2 (root.alive(),__twig1b.cleanup()) +DLGLOBAL DEBUG test(__twig1b){alive}: cleanup() +DLGLOBAL DEBUG test(__twig1b){alive}: scene forgets __twig1b +DLGLOBAL DEBUG test(_branch1){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 3 (root.alive(),__twig1b.cleanup(),_branch1.alive()) +DLGLOBAL DEBUG test(_branch1){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 4 (root.alive(),__twig1b.cleanup(),_branch1.alive(),_branch1.child_gone()) +DLGLOBAL DEBUG test(_branch1){alive}: EV_CHILD_GONE: Dropped reference _branch1.child[1] = __twig1b +DLGLOBAL DEBUG test(_branch1){alive}: still exists: child[0] +DLGLOBAL DEBUG 3 (root.alive(),__twig1b.cleanup(),_branch1.alive()) +DLGLOBAL DEBUG 2 (root.alive(),__twig1b.cleanup()) +DLGLOBAL DEBUG test(__twig1b){alive}: cleanup() done +DLGLOBAL DEBUG 1 (root.alive()) +DLGLOBAL DEBUG test(__twig1b){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig1b){alive}: Deallocated +DLGLOBAL DEBUG test(__twig1a){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig1a){alive}: pre_term() +DLGLOBAL DEBUG test(__twig1a){alive}: Removing from parent test(_branch1) +DLGLOBAL DEBUG 2 (root.alive(),__twig1a.cleanup()) +DLGLOBAL DEBUG test(__twig1a){alive}: cleanup() +DLGLOBAL DEBUG test(__twig1a){alive}: scene forgets __twig1a +DLGLOBAL DEBUG test(__twig1a){alive}: removing reference __twig1a.other[0] -> root +DLGLOBAL DEBUG test(root){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 3 (2*root.alive(),__twig1a.cleanup()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 4 (2*root.alive(),__twig1a.cleanup(),root.other_gone()) +DLGLOBAL DEBUG test(root){alive}: EV_OTHER_GONE: Dropped reference root.other[0] = __twig1a +DLGLOBAL DEBUG 3 (2*root.alive(),__twig1a.cleanup()) +DLGLOBAL DEBUG test(root){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 2 (root.alive(),__twig1a.cleanup()) +DLGLOBAL DEBUG test(_branch1){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 3 (root.alive(),__twig1a.cleanup(),_branch1.alive()) +DLGLOBAL DEBUG test(_branch1){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 4 (root.alive(),__twig1a.cleanup(),_branch1.alive(),_branch1.child_gone()) +DLGLOBAL DEBUG test(_branch1){alive}: EV_CHILD_GONE: Dropped reference _branch1.child[0] = __twig1a +DLGLOBAL DEBUG test(_branch1){alive}: No more children +DLGLOBAL DEBUG 3 (root.alive(),__twig1a.cleanup(),_branch1.alive()) +DLGLOBAL DEBUG test(_branch1){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 2 (root.alive(),__twig1a.cleanup()) +DLGLOBAL DEBUG test(__twig1a){alive}: cleanup() done +DLGLOBAL DEBUG 1 (root.alive()) +DLGLOBAL DEBUG test(__twig1a){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig1a){alive}: Deallocated +DLGLOBAL DEBUG test(_branch1){alive}: Removing from parent test(root) +DLGLOBAL DEBUG 2 (root.alive(),_branch1.cleanup()) +DLGLOBAL DEBUG test(_branch1){alive}: cleanup() +DLGLOBAL DEBUG test(_branch1){alive}: scene forgets _branch1 +DLGLOBAL DEBUG test(_branch1){alive}: removing reference _branch1.other[0] -> other +DLGLOBAL DEBUG test(other){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 3 (root.alive(),_branch1.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 4 (root.alive(),_branch1.cleanup(),other.alive(),other.other_gone()) +DLGLOBAL DEBUG test(other){alive}: EV_OTHER_GONE: Dropped reference other.other[1] = _branch1 +DLGLOBAL DEBUG 3 (root.alive(),_branch1.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: Terminating (cause = OSMO_FSM_TERM_REGULAR) +DLGLOBAL DEBUG test(other){alive}: pre_term() +DLGLOBAL DEBUG 4 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup()) +DLGLOBAL DEBUG test(other){alive}: cleanup() +DLGLOBAL DEBUG test(other){alive}: scene forgets other +DLGLOBAL DEBUG test(other){alive}: removing reference other.other[0] -> _branch0 +DLGLOBAL DEBUG test(_branch0){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 5 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 6 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.other_gone()) +DLGLOBAL DEBUG test(_branch0){alive}: EV_OTHER_GONE: Dropped reference _branch0.other[0] = other +DLGLOBAL DEBUG 5 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: Terminating (cause = OSMO_FSM_TERM_REGULAR) +DLGLOBAL DEBUG test(_branch0){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0b){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig0b){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0b){alive}: Removing from parent test(_branch0) +DLGLOBAL DEBUG 6 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0b.cleanup()) +DLGLOBAL DEBUG test(__twig0b){alive}: cleanup() +DLGLOBAL DEBUG test(__twig0b){alive}: scene forgets __twig0b +DLGLOBAL DEBUG test(_branch0){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 7 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0b.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 8 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0b.cleanup(),_branch0.child_gone()) +DLGLOBAL DEBUG test(_branch0){alive}: EV_CHILD_GONE: Dropped reference _branch0.child[1] = __twig0b +DLGLOBAL DEBUG test(_branch0){alive}: still exists: child[0] +DLGLOBAL DEBUG 7 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0b.cleanup()) +DLGLOBAL DEBUG 6 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0b.cleanup()) +DLGLOBAL DEBUG test(__twig0b){alive}: cleanup() done +DLGLOBAL DEBUG 5 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(__twig0b){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig0b){alive}: Deallocated +DLGLOBAL DEBUG test(__twig0a){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig0a){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0a){alive}: Removing from parent test(_branch0) +DLGLOBAL DEBUG 6 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(__twig0a){alive}: cleanup() +DLGLOBAL DEBUG test(__twig0a){alive}: scene forgets __twig0a +DLGLOBAL DEBUG test(__twig0a){alive}: removing reference __twig0a.other[0] -> other +DLGLOBAL DEBUG test(other){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 7 (root.alive(),_branch1.cleanup(),2*other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(other){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 8 (root.alive(),_branch1.cleanup(),2*other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup(),other.other_gone()) +DLGLOBAL DEBUG 7 (root.alive(),_branch1.cleanup(),2*other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG 6 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 7 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 8 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0a.cleanup(),_branch0.child_gone()) +DLGLOBAL DEBUG test(_branch0){alive}: EV_CHILD_GONE: Dropped reference _branch0.child[0] = __twig0a +DLGLOBAL DEBUG test(_branch0){alive}: No more children +DLGLOBAL DEBUG 7 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),2*_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 6 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),__twig0a.cleanup()) +DLGLOBAL DEBUG test(__twig0a){alive}: cleanup() done +DLGLOBAL DEBUG 5 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(__twig0a){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig0a){alive}: Deallocated +DLGLOBAL DEBUG test(_branch0){alive}: Removing from parent test(root) +DLGLOBAL DEBUG 6 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: cleanup() +DLGLOBAL DEBUG test(_branch0){alive}: scene forgets _branch0 +DLGLOBAL DEBUG test(root){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 7 (2*root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 8 (2*root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup(),root.child_gone()) +DLGLOBAL DEBUG test(root){alive}: EV_CHILD_GONE: Dropped reference root.child[0] = _branch0 +DLGLOBAL DEBUG test(root){alive}: still exists: child[1] +DLGLOBAL DEBUG 7 (2*root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup()) +DLGLOBAL DEBUG 6 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive(),_branch0.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: cleanup() done +DLGLOBAL DEBUG 5 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: Freeing instance +DLGLOBAL DEBUG test(_branch0){alive}: Deallocated +DLGLOBAL DEBUG test(root){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 6 (2*root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG test(root){alive}: EV_CHILD_GONE with NULL data, must be a parent_term event. Ignore. +DLGLOBAL DEBUG 5 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG 4 (root.alive(),_branch1.cleanup(),other.alive(),other.cleanup()) +DLGLOBAL DEBUG test(other){alive}: cleanup() done +DLGLOBAL DEBUG 3 (root.alive(),_branch1.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: Freeing instance +DLGLOBAL DEBUG test(other){alive}: Deallocated +DLGLOBAL DEBUG 2 (root.alive(),_branch1.cleanup()) +DLGLOBAL DEBUG test(root){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 3 (2*root.alive(),_branch1.cleanup()) +DLGLOBAL DEBUG test(root){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 4 (2*root.alive(),_branch1.cleanup(),root.child_gone()) +DLGLOBAL DEBUG test(root){alive}: EV_CHILD_GONE: Dropped reference root.child[1] = _branch1 +DLGLOBAL DEBUG test(root){alive}: No more children +DLGLOBAL DEBUG 3 (2*root.alive(),_branch1.cleanup()) +DLGLOBAL DEBUG test(root){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 2 (root.alive(),_branch1.cleanup()) +DLGLOBAL DEBUG test(_branch1){alive}: cleanup() done +DLGLOBAL DEBUG 1 (root.alive()) +DLGLOBAL DEBUG test(_branch1){alive}: Freeing instance +DLGLOBAL DEBUG test(_branch1){alive}: Deallocated +DLGLOBAL DEBUG 2 (root.alive(),root.cleanup()) +DLGLOBAL DEBUG test(root){alive}: cleanup() +DLGLOBAL DEBUG test(root){alive}: scene forgets root +DLGLOBAL DEBUG test(root){alive}: cleanup() done +DLGLOBAL DEBUG 1 (root.alive()) +DLGLOBAL DEBUG test(root){alive}: Freeing instance +DLGLOBAL DEBUG test(root){alive}: Deallocated +DLGLOBAL DEBUG 0 (-) +DLGLOBAL DEBUG --- after destroy-event cascade: +DLGLOBAL DEBUG --- all deallocated. +*** loop_ctx contains 33 blocks, deallocating. +DLGLOBAL DEBUG scene_alloc() +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: is child of test(root) +DLGLOBAL DEBUG test(_branch0){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: is child of test(_branch0) +DLGLOBAL DEBUG test(_branch0){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: is child of test(_branch0) +DLGLOBAL DEBUG test(root){alive}: Allocated +DLGLOBAL DEBUG test(root){alive}: is child of test(root) +DLGLOBAL DEBUG test(_branch1){alive}: Allocated +DLGLOBAL DEBUG test(_branch1){alive}: is child of test(_branch1) +DLGLOBAL DEBUG test(_branch1){alive}: Allocated +DLGLOBAL DEBUG test(_branch1){alive}: is child of test(_branch1) +DLGLOBAL DEBUG test(other){alive}: Allocated +DLGLOBAL DEBUG test(_branch0){alive}: _branch0.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[0] = _branch0 +DLGLOBAL DEBUG test(__twig0a){alive}: __twig0a.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[1] = __twig0a +DLGLOBAL DEBUG test(_branch1){alive}: _branch1.other[0] = other +DLGLOBAL DEBUG test(other){alive}: other.other[1] = _branch1 +DLGLOBAL DEBUG test(__twig1a){alive}: __twig1a.other[0] = root +DLGLOBAL DEBUG test(root){alive}: root.other[0] = __twig1a +DLGLOBAL DEBUG ------ before term cascade, got: +DLGLOBAL DEBUG root +DLGLOBAL DEBUG _branch0 +DLGLOBAL DEBUG __twig0a +DLGLOBAL DEBUG __twig0b +DLGLOBAL DEBUG _branch1 +DLGLOBAL DEBUG __twig1a +DLGLOBAL DEBUG __twig1b +DLGLOBAL DEBUG other +DLGLOBAL DEBUG --- +DLGLOBAL DEBUG --- term at _branch0 +DLGLOBAL DEBUG test(_branch0){alive}: Terminating (cause = OSMO_FSM_TERM_REGULAR) +DLGLOBAL DEBUG test(_branch0){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0b){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig0b){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0b){alive}: Removing from parent test(_branch0) +DLGLOBAL DEBUG 1 (__twig0b.cleanup()) +DLGLOBAL DEBUG test(__twig0b){alive}: cleanup() +DLGLOBAL DEBUG test(__twig0b){alive}: scene forgets __twig0b +DLGLOBAL DEBUG test(_branch0){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 2 (__twig0b.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 3 (__twig0b.cleanup(),_branch0.alive(),_branch0.child_gone()) +DLGLOBAL DEBUG test(_branch0){alive}: EV_CHILD_GONE: Dropped reference _branch0.child[1] = __twig0b +DLGLOBAL DEBUG test(_branch0){alive}: still exists: child[0] +DLGLOBAL DEBUG 2 (__twig0b.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG 1 (__twig0b.cleanup()) +DLGLOBAL DEBUG test(__twig0b){alive}: cleanup() done +DLGLOBAL DEBUG 0 (-) +DLGLOBAL DEBUG test(__twig0b){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig0b){alive}: Deallocated +DLGLOBAL DEBUG test(__twig0a){alive}: Terminating (cause = OSMO_FSM_TERM_PARENT) +DLGLOBAL DEBUG test(__twig0a){alive}: pre_term() +DLGLOBAL DEBUG test(__twig0a){alive}: Removing from parent test(_branch0) +DLGLOBAL DEBUG 1 (__twig0a.cleanup()) +DLGLOBAL DEBUG test(__twig0a){alive}: cleanup() +DLGLOBAL DEBUG test(__twig0a){alive}: scene forgets __twig0a +DLGLOBAL DEBUG test(__twig0a){alive}: removing reference __twig0a.other[0] -> other +DLGLOBAL DEBUG test(other){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 2 (__twig0a.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 3 (__twig0a.cleanup(),other.alive(),other.other_gone()) +DLGLOBAL DEBUG 2 (__twig0a.cleanup(),other.alive()) +DLGLOBAL DEBUG 1 (__twig0a.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: Received Event EV_CHILD_GONE +DLGLOBAL DEBUG 2 (__twig0a.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: alive(EV_CHILD_GONE) +DLGLOBAL DEBUG 3 (__twig0a.cleanup(),_branch0.alive(),_branch0.child_gone()) +DLGLOBAL DEBUG test(_branch0){alive}: EV_CHILD_GONE: Dropped reference _branch0.child[0] = __twig0a +DLGLOBAL DEBUG test(_branch0){alive}: No more children +DLGLOBAL DEBUG 2 (__twig0a.cleanup(),_branch0.alive()) +DLGLOBAL DEBUG test(_branch0){alive}: Ignoring trigger to terminate: already terminating +DLGLOBAL DEBUG 1 (__twig0a.cleanup()) +DLGLOBAL DEBUG test(__twig0a){alive}: cleanup() done +DLGLOBAL DEBUG 0 (-) +DLGLOBAL DEBUG test(__twig0a){alive}: Freeing instance +DLGLOBAL DEBUG test(__twig0a){alive}: Deallocated +DLGLOBAL DEBUG test(_branch0){alive}: Removing from parent test(root) +DLGLOBAL DEBUG 1 (_branch0.cleanup()) +DLGLOBAL DEBUG test(_branch0){alive}: cleanup() +DLGLOBAL DEBUG test(_branch0){alive}: scene forgets _branch0 +DLGLOBAL DEBUG test(_branch0){alive}: removing reference _branch0.other[0] -> other +DLGLOBAL DEBUG test(other){alive}: Received Event EV_OTHER_GONE +DLGLOBAL DEBUG 2 (_branch0.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: alive(EV_OTHER_GONE) +DLGLOBAL DEBUG 3 (_branch0.cleanup(),other.alive(),other.other_gone()) +DLGLOBAL DEBUG test(other){alive}: EV_OTHER_GONE: Dropped reference other.other[0] = _branch0 +DLGLOBAL DEBUG 2 (_branch0.cleanup(),other.alive()) +DLGLOBAL DEBUG test(other){alive}: Terminating (cause = OSMO_FSM_TERM_REGULAR) +DLGLOBAL DEBUG test(other){alive}: pre_term() +DLGLOBAL DEBUG 3 (_bra |