| 46 | } |
| 47 | |
| 48 | bool MemfdBuffer::create_buffer() |
| 49 | { |
| 50 | constexpr std::string_view kDefaultBufferName = "maafw-wl-buffer-{}"; |
| 51 | const std::string name = std::format(kDefaultBufferName, make_uuid()); |
| 52 | fd_ = memfd_create(name.c_str(), 0); |
| 53 | if (fd_ < 0) { |
| 54 | LogError << "Failed to create memfd"; |
| 55 | return false; |
| 56 | } |
| 57 | if (const int ret = ftruncate(fd_, size_); ret < 0) { |
| 58 | LogError << "Failed to allocate buffer"; |
| 59 | close(fd_); |
| 60 | fd_ = -1; |
| 61 | return false; |
| 62 | } |
| 63 | ptr_ = mmap(nullptr, size_, PROT_READ | PROT_WRITE, MAP_SHARED, fd_, 0); |
| 64 | if (ptr_ == MAP_FAILED) { |
| 65 | LogError << "Failed to mmap buffer"; |
| 66 | ptr_ = nullptr; |
| 67 | return false; |
| 68 | } |
| 69 | LogDebug << "Created new buffer" << VAR(fd_); |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | MAA_CTRL_UNIT_NS_END |
nothing calls this directly
no outgoing calls
no test coverage detected