Renamed what's left of rust_dom to rust_scheduler
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@@ -5,7 +5,7 @@
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#include "rust_internal.h"
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circular_buffer::circular_buffer(rust_task *task, size_t unit_sz) :
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dom(task->dom),
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sched(task->sched),
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task(task),
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unit_sz(unit_sz),
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_buffer_sz(initial_size()),
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@@ -13,26 +13,26 @@ circular_buffer::circular_buffer(rust_task *task, size_t unit_sz) :
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_unread(0),
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_buffer((uint8_t *)task->malloc(_buffer_sz)) {
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A(dom, unit_sz, "Unit size must be larger than zero.");
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A(sched, unit_sz, "Unit size must be larger than zero.");
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DLOG(dom, mem, "new circular_buffer(buffer_sz=%d, unread=%d)"
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DLOG(sched, mem, "new circular_buffer(buffer_sz=%d, unread=%d)"
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"-> circular_buffer=0x%" PRIxPTR,
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_buffer_sz, _unread, this);
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A(dom, _buffer, "Failed to allocate buffer.");
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A(sched, _buffer, "Failed to allocate buffer.");
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}
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circular_buffer::~circular_buffer() {
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DLOG(dom, mem, "~circular_buffer 0x%" PRIxPTR, this);
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I(dom, _buffer);
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W(dom, _unread == 0,
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DLOG(sched, mem, "~circular_buffer 0x%" PRIxPTR, this);
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I(sched, _buffer);
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W(sched, _unread == 0,
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"freeing circular_buffer with %d unread bytes", _unread);
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task->free(_buffer);
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}
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size_t
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circular_buffer::initial_size() {
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I(dom, unit_sz > 0);
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I(sched, unit_sz > 0);
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return INITIAL_CIRCULAR_BUFFER_SIZE_IN_UNITS * unit_sz;
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}
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@@ -41,8 +41,8 @@ circular_buffer::initial_size() {
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*/
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void
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circular_buffer::transfer(void *dst) {
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I(dom, dst);
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I(dom, _unread <= _buffer_sz);
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I(sched, dst);
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I(sched, _unread <= _buffer_sz);
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uint8_t *ptr = (uint8_t *) dst;
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@@ -54,13 +54,13 @@ circular_buffer::transfer(void *dst) {
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} else {
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head_sz = _buffer_sz - _next;
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}
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I(dom, _next + head_sz <= _buffer_sz);
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I(sched, _next + head_sz <= _buffer_sz);
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memcpy(ptr, _buffer + _next, head_sz);
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// Then copy any other items from the beginning of the buffer
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I(dom, _unread >= head_sz);
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I(sched, _unread >= head_sz);
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size_t tail_sz = _unread - head_sz;
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I(dom, head_sz + tail_sz <= _buffer_sz);
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I(sched, head_sz + tail_sz <= _buffer_sz);
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memcpy(ptr + head_sz, _buffer, tail_sz);
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}
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@@ -70,37 +70,37 @@ circular_buffer::transfer(void *dst) {
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*/
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void
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circular_buffer::enqueue(void *src) {
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I(dom, src);
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I(dom, _unread <= _buffer_sz);
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I(dom, _buffer);
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I(sched, src);
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I(sched, _unread <= _buffer_sz);
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I(sched, _buffer);
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// Grow if necessary.
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if (_unread == _buffer_sz) {
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grow();
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}
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DLOG(dom, mem, "circular_buffer enqueue "
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DLOG(sched, mem, "circular_buffer enqueue "
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"unread: %d, next: %d, buffer_sz: %d, unit_sz: %d",
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_unread, _next, _buffer_sz, unit_sz);
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I(dom, _unread < _buffer_sz);
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I(dom, _unread + unit_sz <= _buffer_sz);
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I(sched, _unread < _buffer_sz);
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I(sched, _unread + unit_sz <= _buffer_sz);
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// Copy data
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size_t dst_idx = _next + _unread;
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I(dom, dst_idx >= _buffer_sz || dst_idx + unit_sz <= _buffer_sz);
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I(sched, dst_idx >= _buffer_sz || dst_idx + unit_sz <= _buffer_sz);
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if (dst_idx >= _buffer_sz) {
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dst_idx -= _buffer_sz;
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I(dom, _next >= unit_sz);
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I(dom, dst_idx <= _next - unit_sz);
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I(sched, _next >= unit_sz);
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I(sched, dst_idx <= _next - unit_sz);
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}
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I(dom, dst_idx + unit_sz <= _buffer_sz);
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I(sched, dst_idx + unit_sz <= _buffer_sz);
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memcpy(&_buffer[dst_idx], src, unit_sz);
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_unread += unit_sz;
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DLOG(dom, mem, "circular_buffer pushed data at index: %d", dst_idx);
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DLOG(sched, mem, "circular_buffer pushed data at index: %d", dst_idx);
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}
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/**
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@@ -110,21 +110,21 @@ circular_buffer::enqueue(void *src) {
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*/
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void
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circular_buffer::dequeue(void *dst) {
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I(dom, unit_sz > 0);
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I(dom, _unread >= unit_sz);
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I(dom, _unread <= _buffer_sz);
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I(dom, _buffer);
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I(sched, unit_sz > 0);
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I(sched, _unread >= unit_sz);
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I(sched, _unread <= _buffer_sz);
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I(sched, _buffer);
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DLOG(dom, mem,
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DLOG(sched, mem,
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"circular_buffer dequeue "
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"unread: %d, next: %d, buffer_sz: %d, unit_sz: %d",
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_unread, _next, _buffer_sz, unit_sz);
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I(dom, _next + unit_sz <= _buffer_sz);
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I(sched, _next + unit_sz <= _buffer_sz);
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if (dst != NULL) {
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memcpy(dst, &_buffer[_next], unit_sz);
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}
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DLOG(dom, mem, "shifted data from index %d", _next);
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DLOG(sched, mem, "shifted data from index %d", _next);
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_unread -= unit_sz;
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_next += unit_sz;
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if (_next == _buffer_sz) {
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@@ -140,8 +140,8 @@ circular_buffer::dequeue(void *dst) {
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void
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circular_buffer::grow() {
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size_t new_buffer_sz = _buffer_sz * 2;
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I(dom, new_buffer_sz <= MAX_CIRCULAR_BUFFER_SIZE);
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DLOG(dom, mem, "circular_buffer is growing to %d bytes", new_buffer_sz);
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I(sched, new_buffer_sz <= MAX_CIRCULAR_BUFFER_SIZE);
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DLOG(sched, mem, "circular_buffer is growing to %d bytes", new_buffer_sz);
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void *new_buffer = task->malloc(new_buffer_sz);
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transfer(new_buffer);
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task->free(_buffer);
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@@ -153,8 +153,8 @@ circular_buffer::grow() {
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void
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circular_buffer::shrink() {
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size_t new_buffer_sz = _buffer_sz / 2;
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I(dom, initial_size() <= new_buffer_sz);
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DLOG(dom, mem, "circular_buffer is shrinking to %d bytes", new_buffer_sz);
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I(sched, initial_size() <= new_buffer_sz);
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DLOG(sched, mem, "circular_buffer is shrinking to %d bytes", new_buffer_sz);
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void *new_buffer = task->malloc(new_buffer_sz);
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transfer(new_buffer);
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task->free(_buffer);
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