diff options
Diffstat (limited to 'src/rt')
| -rw-r--r-- | src/rt/circular_buffer.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/rt/circular_buffer.cpp b/src/rt/circular_buffer.cpp index 54898fb7..247e494f 100644 --- a/src/rt/circular_buffer.cpp +++ b/src/rt/circular_buffer.cpp @@ -66,6 +66,8 @@ circular_buffer::enqueue(void *src) { if (_next + _unread + unit_sz > _buffer_sz) { size_t new_buffer_sz = _buffer_sz << 1; I(dom, new_buffer_sz <= MAX_CIRCULAR_BUFFFER_SIZE); + dom->log(rust_log::MEM | rust_log::COMM, + "circular_buffer is growing to %d bytes", new_buffer_sz); void *new_buffer = dom->malloc(new_buffer_sz); transfer(new_buffer); dom->free(_buffer); @@ -124,15 +126,16 @@ circular_buffer::dequeue(void *dst) { // Shrink if possible. if (_buffer_sz > _initial_sz && _unread <= _buffer_sz / 4) { + size_t new_buffer_sz = _buffer_sz >> 1; + I(dom, _initial_sz <= new_buffer_sz); dom->log(rust_log::MEM | rust_log::COMM, - "circular_buffer is shrinking to %d bytes", _buffer_sz / 2); - void *tmp = dom->malloc(_buffer_sz / 2); + "circular_buffer is shrinking to %d bytes", new_buffer_sz); + void *tmp = dom->malloc(new_buffer_sz); transfer(tmp); - _buffer_sz >>= 1; - I(dom, _initial_sz <= _buffer_sz); dom->free(_buffer); _buffer = (uint8_t *)tmp; _next = 0; + _buffer_sz = new_buffer_sz; } } |