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Disconnect ports before draining them. Issue #1155

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This commit is contained in:
Brian Anderson
2011-11-16 16:44:08 -08:00
parent 809ca13bfa
commit 342dc21d2c
6 changed files with 55 additions and 2 deletions
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15
src/rt/rust_builtin.cpp
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@@ -467,11 +467,24 @@ new_port(size_t unit_sz) {
return new (task->kernel, "rust_port") rust_port(task, unit_sz);
}
extern "C" CDECL void
rust_port_detach(rust_port *port) {
rust_task *task = rust_scheduler::get_task();
LOG(task, comm, "rust_port_detach(0x%" PRIxPTR ")", (uintptr_t) port);
port->detach();
// FIXME: Busy waiting until we're the only ref
bool done = false;
while (!done) {
scoped_lock with(port->lock);
done = port->ref_count == 1;
}
}
extern "C" CDECL void
del_port(rust_port *port) {
rust_task *task = rust_scheduler::get_task();
LOG(task, comm, "del_port(0x%" PRIxPTR ")", (uintptr_t) port);
scoped_lock with(task->lock);
A(task->sched, port->ref_count == 1, "Expected port ref_count == 1");
port->deref();
}