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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-06-17 03:56:29 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-06-17 03:56:29 +0000 |
commit | 945ea61cd7a6ee0701e7b337bae5a090afca92e1 (patch) | |
tree | 1c9f4ed7138460d21d0cc674fc1555370c18219e | |
parent | 39a770b7205fe79b50bb8cd370f758e8a82759bf (diff) | |
download | ruby-945ea61cd7a6ee0701e7b337bae5a090afca92e1.tar.gz |
* 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]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-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 |