Read blocks indefinitely on linux even with timeout #9
Description
Tested with raspberry Pi and my desktop:
Steps to reproduce
Modify ReadClose verification program to be as follows
Details
package main
import (
"flag"
"fmt"
"io"
"log"
"time"
"github.com/distributed/sers"
)
func main() {
err := Main()
if err != nil {
log.Fatal(err)
}
}
func readpart(r io.ReadCloser) error {
go func() {
time.Sleep(50 * time.Second)
fmt.Printf("============================> close now\n")
err := r.Close()
fmt.Printf("close err %v\n", err)
}()
_, err := r.Read(make([]byte, 128))
if err != nil {
return err
}
return nil
}
func Main() error {
flag.Parse()
if len(flag.Args()) < 1 {
return fmt.Errorf("please provide a serial file name")
}
fn := flag.Args()[0]
f, err := sers.Open(fn)
if err != nil {
return err
}
err = f.SetReadParams(0, 1)
if err != nil {
return err
}
return readpart(f)
}Program now blocks for 50 seconds even though timeout is 1 second.
I am available to help resolving this issue but am unfamiliar with this repo and CGo.