3 ms·

> most programs aren’t prepared for partial success But read() and write() return the number of bytes actually read or written. So actually they are, or should

• amluto 7y ago
  On a normal file, unless it’s NFS with a special mount option, read() and write() never return partial results, which means that many programs can’t handle it. Even modern async/await/promise/future systems frequently have no reliable way to express partial success.