OrgGo
/
tcell
mirror of https://github.com/gdamore/tcell.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Permit a different device node to be used as /dev/tty.

This commit is contained in:
Garrett D'Amore 2021-06-01 18:59:24 -07:00
parent d8ae9d764a
commit dcf5866e16
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
tty_unix.go
View File

@ -37,6 +37,7 @@ type devTty struct {
sig chan os.Signal sig chan os.Signal
cb func() cb func()
stopQ chan struct{} stopQ chan struct{}
dev string
wg sync.WaitGroup wg sync.WaitGroup
l sync.Mutex l sync.Mutex
} }
@ -67,7 +68,7 @@ func (tty *devTty) Start() error {
// we will have up to two separate file handles open on /dev/tty. (Note that when // we will have up to two separate file handles open on /dev/tty. (Note that when
// using stdin/stdout instead of /dev/tty this problem is not observed.) // using stdin/stdout instead of /dev/tty this problem is not observed.)
var err error var err error
if tty.f, err = os.OpenFile("/dev/tty", os.O_RDWR, 0); err != nil { if tty.f, err = os.OpenFile(tty.dev, os.O_RDWR, 0); err != nil {
return err return err
} }
tty.fd = int(tty.of.Fd()) tty.fd = int(tty.of.Fd())
@ -144,12 +145,19 @@ func (tty *devTty) NotifyResize(cb func()) {
tty.l.Unlock() tty.l.Unlock()
} }
// NewDevTty opens a /dev/tty based Tty.
func NewDevTty() (Tty, error) { func NewDevTty() (Tty, error) {
return NewDevTtyFromDev("/dev/tty")
}
// NewDevTtyFromDev opens a tty device given a path. This can be useful to bind to other nodes.
func NewDevTtyFromDev(dev string) (Tty, error) {
tty := &devTty{ tty := &devTty{
dev: dev,
sig: make(chan os.Signal), sig: make(chan os.Signal),
} }
var err error var err error
if tty.of, err = os.OpenFile("/dev/tty", os.O_RDWR, 0); err != nil { if tty.of, err = os.OpenFile(dev, os.O_RDWR, 0); err != nil {
return nil, err return nil, err
} }
tty.fd = int(tty.of.Fd()) tty.fd = int(tty.of.Fd())