EAGAIN in sendfile(2)
public c v1 · immutablefrom linux-2.6.23.1/fs/read_write.c#if 0 /* * We need to debate whether we can enable this or not. The * man page documents EAGAIN return for the output at least, * and the application is arguably buggy if it doesn't expect * EAGAIN on a non-blocking file descriptor. */ if (in_file->f_flags & O_NONBLOCK) fl = SPLICE_F_NONBLOCK;#endif