diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-06-21 09:16:58 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-06-21 09:16:58 +0000 |
commit | 341c1cb7f8917838da788ef35dab6a65bce55cff (patch) | |
tree | 3874d2a724d54638a63f60a459440a31ca16a0e0 /thread.c | |
parent | c2d571c37feb7b9f35e4653717422ae79b13312c (diff) |
merges r23720 from trunk into ruby_1_9_1.
--
* 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/branches/ruby_1_9_1@23794 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'thread.c')
-rw-r--r-- | thread.c | 11 |
1 files changed, 10 insertions, 1 deletions
@@ -1302,12 +1302,21 @@ rb_thread_signal_exit(void *thptr) rb_thread_raise(2, argv, th->vm->main_thread); } +#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 |