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tty: retry on temporary read errors

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Kovid Goyal
2024-01-15 20:08:52 +05:30
parent 61a89a14b6
commit 0fcb055246
1 changed files with 13 additions and 2 deletions
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15
tools/tty/tty.go
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@@ -285,8 +285,19 @@ func (self *Term) ReadWithTimeout(b []byte, d time.Duration) (n int, err error)
} }
} }
func (self *Term) Read(b []byte) (int, error) { func is_temporary_read_error(err error) bool {
return self.os_file.Read(b) return errors.Is(err, unix.EINTR) || errors.Is(err, unix.EAGAIN) || errors.Is(err, unix.EWOULDBLOCK)
}
func (self *Term) Read(b []byte) (n int, err error) {
for {
n, err = self.os_file.Read(b)
// On macOS we get EAGAIN if another thread is writing to the tty at the same time
if err != nil && is_temporary_read_error(err) && n <= 0 {
continue
}
return
}
} }
func (self *Term) Write(b []byte) (int, error) { func (self *Term) Write(b []byte) (int, error) {