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* cont.c (cont_capture, fiber_store): reraise transferred error.

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* cont.c (fiber_switch): transfers dead fiber error to the previouse
  or root fiber if the current fiber is dead.  [ruby-core:23651]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23616 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-06-01 02:21:31 +00:00
parent 4c79d4bee2
commit 6c743b0e5a
3 changed files with 24 additions and 2 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Mon Jun 1 11:21:29 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* cont.c (cont_capture, fiber_store): reraise transferred error.
* cont.c (fiber_switch): transfers dead fiber error to the previouse
or root fiber if the current fiber is dead. [ruby-core:23651]
Mon Jun 1 10:41:41 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* include/ruby/intern.h (rb_exc_new2): optimization for literal.

14
cont.c
View file

@ -279,6 +279,7 @@ cont_capture(volatile int *stat)
VALUE value;
value = cont->value;
if (cont->argc == -1) rb_exc_raise(value);
cont->value = Qnil;
*stat = 1;
return value;
@ -850,6 +851,7 @@ fiber_store(rb_fiber_t *next_fib)
if (ruby_setjmp(fib->cont.jmpbuf)) {
/* restored */
GetFiberPtr(th->fiber, fib);
if (fib->cont.argc == -1) rb_exc_raise(fib->cont.value);
return fib->cont.value;
}
else {
@ -875,7 +877,15 @@ fiber_switch(VALUE fibval, int argc, VALUE *argv, int is_resume)
rb_raise(rb_eFiberError, "fiber called across trap");
}
else if (fib->status == TERMINATED) {
rb_raise(rb_eFiberError, "dead fiber called");
value = rb_exc_new2(rb_eFiberError, "dead fiber called");
if (th->fiber != fibval) rb_exc_raise(value);
fibval = fib->prev;
if (NIL_P(fibval)) fibval = th->root_fiber;
GetFiberPtr(fibval, fib);
cont = &fib->cont;
cont->argc = -1;
cont->value = value;
cont_restore_0(cont, &value);
}
if (is_resume) {
@ -886,7 +896,7 @@ fiber_switch(VALUE fibval, int argc, VALUE *argv, int is_resume)
cont->value = make_passing_arg(argc, argv);
if ((value = fiber_store(fib)) == Qundef) {
cont_restore_0(&fib->cont, &value);
cont_restore_0(cont, &value);
rb_bug("rb_fiber_resume: unreachable");
}

5
test/ruby/test_fiber.rb
View file

@ -173,5 +173,10 @@ class TestFiber < Test::Unit::TestCase
fib.resume
assert_equal(false, fib.alive?)
end
def test_resume_self
f = Fiber.new {f.resume}
assert_raise(FiberError, '[ruby-core:23651]') {f.transfer}
end
end