diff options
Diffstat (limited to 'ext/objspace/object_tracing.c')
| -rw-r--r-- | ext/objspace/object_tracing.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ext/objspace/object_tracing.c b/ext/objspace/object_tracing.c index 0bf866a8f1..8c54d51eab 100644 --- a/ext/objspace/object_tracing.c +++ b/ext/objspace/object_tracing.c @@ -13,6 +13,7 @@ **********************************************************************/ +#include "gc.h" #include "internal.h" #include "ruby/debug.h" #include "objspace.h" @@ -121,6 +122,10 @@ freeobj_i(VALUE tpval, void *data) st_data_t v; struct allocation_info *info; + /* Modifying the st table can cause allocations, which can trigger GC. + * Since freeobj_i is called during GC, it must not trigger another GC. */ + VALUE gc_disabled = rb_gc_disable_no_rest(); + if (arg->keep_remains) { if (st_lookup(arg->object_table, obj, &v)) { info = (struct allocation_info *)v; @@ -135,6 +140,8 @@ freeobj_i(VALUE tpval, void *data) ruby_xfree(info); } } + + if (gc_disabled == Qfalse) rb_gc_enable(); } static int |