diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | thread.c | 11 |
2 files changed, 18 insertions, 1 deletions
@@ -1,3 +1,11 @@ +Wed Jun 17 12:37:37 2009 Yukihiro Matsumoto <matz@ruby-lang.org> + + * thread.c (ruby_thread_stack_overflow): call rb_exc_raise() on + stack overflows in the signal handler, if sigaltstack is + available. On stack overflow (and with sigaltstack), the signal + handler is more likely to have room to create an exception + object. [ruby-core:23813] + Wed Jun 17 08:10:38 2009 Koichi Sasada <ko1@atdot.net> * ext/objspace: added. objspace library extends some methods to @@ -1300,12 +1300,21 @@ rb_threadptr_signal_exit(rb_thread_t *th) rb_threadptr_raise(th->vm->main_thread, 2, argv); } +#if defined(POSIX_SIGNAL) && defined(SIGSEGV) && defined(HAVE_SIGALTSTACK) +#define USE_SIGALTSTACK +#endif + void ruby_thread_stack_overflow(rb_thread_t *th) { - th->errinfo = sysstack_error; th->raised_flag = 0; +#ifdef USE_SIGALTSTACK + th->raised_flag = 0; + rb_exc_raise(sysstack_error); +#else + th->errinfo = sysstack_error; TH_JUMP_TAG(th, TAG_RAISE); +#endif } int |