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rt: Move receive code into rust_port

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This commit is contained in:
Brian Anderson 2012-03-02 00:55:27 -08:00
parent 77295c56c5
commit e08f46db68
3 changed files with 24 additions and 28 deletions
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24
src/rt/rust_builtin.cpp
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@ -544,29 +544,7 @@ rust_task_yield(rust_task *task, bool *killed) {
extern "C" CDECL void
port_recv(uintptr_t *dptr, rust_port *port, uintptr_t *yield) {
*yield = false;
rust_task *task = rust_task_thread::get_task();
{
scoped_lock with(port->lock);
LOG(task, comm, "port: 0x%" PRIxPTR ", dptr: 0x%" PRIxPTR
", size: 0x%" PRIxPTR,
(uintptr_t) port, (uintptr_t) dptr, port->unit_sz);
if (port->receive(dptr)) {
return;
}
// No data was buffered on any incoming channel, so block this task on
// the port. Remember the rendezvous location so that any sender task
// can write to it before waking up this task.
LOG(task, comm, "<=== waiting for rendezvous data ===");
task->rendezvous_ptr = dptr;
task->block(port, "waiting for rendezvous data");
}
*yield = true;
return;
port->receive(dptr, yield);
}
extern "C" CDECL void