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runtime: don't attempt to perform writeback if disabled in kernel.

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Otherwise, the startup kernel session hangs.
This commit is contained in:
whitequark 2016-11-23 13:53:12 +00:00
parent cd7527b701
commit 4df7941a97
1 changed files with 4 additions and 1 deletions
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5
artiq/runtime.rs/libksupport/lib.rs
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@ -307,7 +307,10 @@ pub unsafe fn main() {
(mem::transmute::<usize, fn()>(library.lookup("__modinit__")))(); (mem::transmute::<usize, fn()>(library.lookup("__modinit__")))();
send(&NowSave(NOW)); send(&NowSave(NOW));
attribute_writeback(library.lookup("typeinfo") as *const ()); let typeinfo = library.lookup("typeinfo");
if typeinfo != 0 {
attribute_writeback(typeinfo as *const ())
}
send(&RunFinished); send(&RunFinished);