#include "rust_internal.h" #include "rust_port.h" rust_port::rust_port(rust_task *task, size_t unit_sz) : ref_count(1), kernel(task->kernel), task(task), unit_sz(unit_sz), writers(task), chans(task) { LOG(task, comm, "new rust_port(task=0x%" PRIxPTR ", unit_sz=%d) -> port=0x%" PRIxPTR, (uintptr_t)task, unit_sz, (uintptr_t)this); id = task->register_port(this); } rust_port::~rust_port() { LOG(task, comm, "~rust_port 0x%" PRIxPTR, (uintptr_t) this); // Disassociate channels from this port. while (chans.is_empty() == false) { scoped_lock with(lock); rust_chan *chan = chans.peek(); chan->disassociate(); } task->release_port(id); } bool rust_port::receive(void *dptr) { for (uint32_t i = 0; i < chans.length(); i++) { rust_chan *chan = chans[i]; if (chan->buffer.is_empty() == false) { chan->buffer.dequeue(dptr); LOG(task, comm, "<=== read data ==="); return true; } } return false; } void rust_port::log_state() { LOG(task, comm, "rust_port: 0x%" PRIxPTR ", associated channel(s): %d", this, chans.length()); for (uint32_t i = 0; i < chans.length(); i++) { rust_chan *chan = chans[i]; LOG(task, comm, "\tchan: 0x%" PRIxPTR ", size: %d", chan, chan->buffer.size()); } } // // Local Variables: // mode: C++ // fill-column: 78; // indent-tabs-mode: nil // c-basic-offset: 4 // buffer-file-coding-system: utf-8-unix // compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'"; // End: //