os/exec: document that Cmd.Wait waits for stdin I/O

Fixes golang#10338. Change-Id: Ib86cb9a6c694b1e442a9957153c7ca38a7d11c3e Reviewed-on: https://go-review.googlesource.com/12232 Reviewed-by: Andrew Gerrand <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]>
yeyuguo · Jul 15, 2015 · d000e87 · d000e87
1 parent 3d3a016
commit d000e87
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/os/exec/exec.go b/src/os/exec/exec.go
@@ -363,6 +363,10 @@ func (e *ExitError) Error() string {
 // error is of type *ExitError. Other error types may be
 // returned for I/O problems.
 //
+// If c.Stdin is not an *os.File, Wait also waits for the I/O loop
+// copying from c.Stdin into the process's standard input
+// to complete.
+//
 // Wait releases any resources associated with the Cmd.
 func (c *Cmd) Wait() error {
 	if c.Process == nil {