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Move channel cloning logic into a method on rust_chan.

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This will allow us to more easily clone channels from native code.
This commit is contained in:
Rob Arnold 2011-06-29 20:54:03 -07:00 committed by Eric Holk
parent 396c4defcc
commit 09921cf86f
3 changed files with 22 additions and 15 deletions
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19
src/rt/rust_chan.cpp
View file

@ -97,6 +97,25 @@ void rust_chan::send(void *sptr) {
return;
}
rust_chan *rust_chan::clone(maybe_proxy<rust_task> *target) {
size_t unit_sz = buffer.unit_sz;
maybe_proxy<rust_port> *port = this->port;
rust_task *target_task = NULL;
if (target->is_proxy() == false) {
port = this->port;
target_task = target->referent();
} else {
rust_handle<rust_port> *handle =
task->sched->kernel->get_port_handle(port->as_referent());
maybe_proxy<rust_port> *proxy = new rust_proxy<rust_port> (handle);
LOG(task, mem, "new proxy: " PTR, proxy);
port = proxy;
target_task = target->as_proxy()->handle()->referent();
}
return new (target_task) rust_chan(target_task, port, unit_sz);
}
//
// Local Variables:
// mode: C++

2
src/rt/rust_chan.h
View file

@ -19,6 +19,8 @@ public:
bool is_associated();
void send(void *sptr);
rust_chan *clone(maybe_proxy<rust_task> *target);
};
//

16
src/rt/rust_upcall.cpp
View file

@ -166,21 +166,7 @@ upcall_clone_chan(rust_task *task, maybe_proxy<rust_task> *target,
rust_chan *chan) {
LOG_UPCALL_ENTRY(task);
scoped_lock with(task->kernel->scheduler_lock);
size_t unit_sz = chan->buffer.unit_sz;
maybe_proxy<rust_port> *port = chan->port;
rust_task *target_task = NULL;
if (target->is_proxy() == false) {
port = chan->port;
target_task = target->referent();
} else {
rust_handle<rust_port> *handle =
task->sched->kernel->get_port_handle(port->as_referent());
maybe_proxy<rust_port> *proxy = new rust_proxy<rust_port> (handle);
LOG(task, mem, "new proxy: " PTR, proxy);
port = proxy;
target_task = target->as_proxy()->handle()->referent();
}
return new (target_task) rust_chan(target_task, port, unit_sz);
return chan->clone(target);
}
extern "C" CDECL void