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support require in non-main Ractors

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Many libraries should be loaded on the main ractor because of
setting constants with unshareable objects and so on.

This patch allows to call `requore` on non-main Ractors by
asking the main ractor to call `require` on it. The calling ractor
waits for the result of `require` from the main ractor.

If the `require` call failed with some reasons, an exception
objects will be deliverred from the main ractor to the calling ractor
if it is copy-able.

Same on `require_relative` and `require` by `autoload`.

Now `Ractor.new{pp obj}` works well (the first call of `pp` requires
`pp` library implicitly).

[Feature #20627]
This commit is contained in:
Koichi Sasada 2024-11-05 04:54:06 +09:00
parent 075a102c93
commit aa63699d10
Notes: git 2024-11-08 09:03:09 +00:00
10 changed files with 388 additions and 24 deletions
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6
thread_pthread.c
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@ -845,7 +845,7 @@ thread_sched_wait_running_turn(struct rb_thread_sched *sched, rb_thread_t *th, b
RUBY_DEBUG_LOG("th:%u", rb_th_serial(th));
ASSERT_thread_sched_locked(sched, th);
VM_ASSERT(th == GET_THREAD());
VM_ASSERT(th == rb_ec_thread_ptr(rb_current_ec_noinline()));
if (th != sched->running) {
// already deleted from running threads
@ -900,12 +900,12 @@ thread_sched_wait_running_turn(struct rb_thread_sched *sched, rb_thread_t *th, b
thread_sched_set_lock_owner(sched, th);
}
VM_ASSERT(GET_EC() == th->ec);
VM_ASSERT(rb_current_ec_noinline() == th->ec);
}
}
VM_ASSERT(th->nt != NULL);
VM_ASSERT(GET_EC() == th->ec);
VM_ASSERT(rb_current_ec_noinline() == th->ec);
VM_ASSERT(th->sched.waiting_reason.flags == thread_sched_waiting_none);
// add th to running threads