#include "FullDevice.h" #include #include #include FullDevice::FullDevice() : CharacterDevice(1, 7) { } FullDevice::~FullDevice() { } bool FullDevice::can_read(FileDescriptor&) const { return true; } ssize_t FullDevice::read(FileDescriptor&, byte* buffer, ssize_t size) { ssize_t count = min(PAGE_SIZE, size); memset(buffer, 0, (size_t)count); return count; } ssize_t FullDevice::write(FileDescriptor&, const byte*, ssize_t size) { if (size == 0) return 0; return -ENOSPC; }