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Added send and receive to comm library.

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This commit is contained in:
Eric Holk 2011-08-01 14:57:17 -07:00
parent 6a6d5c669e
commit 939bca0d84
5 changed files with 56 additions and 23 deletions
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30
src/rt/rust_builtin.cpp
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@ -914,6 +914,36 @@ void drop_port(rust_task *, rust_port *port) {
port->ref_count--;
}
extern "C" CDECL void
chan_send(rust_task *task, rust_chan *chan, void *sptr) {
chan->send(sptr);
}
extern "C" CDECL void
port_recv(rust_task *task, uintptr_t *dptr, rust_port *port) {
{
scoped_lock with(port->lock);
LOG(task, comm, "port: 0x%" PRIxPTR ", dptr: 0x%" PRIxPTR
", size: 0x%" PRIxPTR ", chan_no: %d",
(uintptr_t) port, (uintptr_t) dptr, port->unit_sz,
port->chans.length());
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");
}
task->yield(3);
}
//
// Local Variables:
// mode: C++