407f3ea3c0
This uses ioctl syscalls or appropriate alternative, to detect if stdin/out/err are character devices or not. This caches the result, to ensure performance is ok at runtime as executing stat can approach microsecond overhead. Signed-off-by: Adrian Cole <adrian@tetrate.io>
15 lines
281 B
Go
15 lines
281 B
Go
//go:build darwin || linux || freebsd
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package platform
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import (
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"syscall"
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"unsafe"
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)
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func isTerminal(fd uintptr) bool {
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var val syscall.Termios
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_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&val)), 0, 0, 0)
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return err == 0
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}
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