diff options
| -rw-r--r-- | src/os/file_unix.go | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/os/file_unix.go b/src/os/file_unix.go index 25ce83bf9d..a34de8333d 100644 --- a/src/os/file_unix.go +++ b/src/os/file_unix.go @@ -104,13 +104,15 @@ func (f *File) Fd() uintptr { // constraints apply. func NewFile(fd uintptr, name string) *File { kind := kindNewFile - if nb, err := unix.IsNonblock(int(fd)); err == nil && nb { - kind = kindNonBlock - } - f := newFile(fd, name, kind) + appendMode := false if flags, err := unix.Fcntl(int(fd), syscall.F_GETFL, 0); err == nil { - f.appendMode = flags&syscall.O_APPEND != 0 + if unix.HasNonblockFlag(flags) { + kind = kindNonBlock + } + appendMode = flags&syscall.O_APPEND != 0 } + f := newFile(fd, name, kind) + f.appendMode = appendMode return f } |