diff options
Diffstat (limited to 'mjit.c')
| -rw-r--r-- | mjit.c | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -935,8 +935,13 @@ mjit_finish(bool close_handle_p) verbose(1, "Successful MJIT finish"); } -// Called by rb_vm_mark() to mark active_units so that we do not GC ISeq which -// may still be referred to by mjit_recompile() or compact_all_jit_code(). +// Called by rb_vm_mark(). +// +// Mark an ISeq being compiled to prevent its CCs from being GC-ed, which +// an MJIT worker may concurrently see. +// +// Also mark active_units so that we do not GC ISeq which may still be +// referred to by mjit_recompile() or compact_all_jit_code(). void mjit_mark(void) { @@ -944,6 +949,9 @@ mjit_mark(void) return; RUBY_MARK_ENTER("mjit"); + if (compiling_iseq != NULL) + rb_gc_mark((VALUE)compiling_iseq); + // We need to release a lock when calling rb_gc_mark to avoid doubly acquiring // a lock by by mjit_gc_start_hook inside rb_gc_mark. // |