os: delete Exec, NewFile takes uintptr, rename ShellExpand, doc fixes
Delete O_NDELAY, O_NONBLOCK, O_NOCTTY, O_ASYNC.
Clean up some docs.
Rename ShellExpand -> ExpandEnv.
Make NewFile take a uintptr; change File.Fd to return one.
(for API compatibility between Unix and Windows)
Fixes #2947
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5655045
diff --git a/src/pkg/net/sendfile_linux.go b/src/pkg/net/sendfile_linux.go
index 7f51519..ab3a381 100644
--- a/src/pkg/net/sendfile_linux.go
+++ b/src/pkg/net/sendfile_linux.go
@@ -42,7 +42,7 @@
defer c.decref()
dst := c.sysfd
- src := f.Fd()
+ src := int(f.Fd())
for remain > 0 {
n := maxSendfileSize
if int64(n) > remain {
