From b8ef4d11fe0d00ce0884ccf982675845b20c3ce9 Mon Sep 17 00:00:00 2001 From: xengineering Date: Thu, 30 May 2024 16:00:32 +0200 Subject: software: Implement serial port detection --- .../vendor/github.com/creack/goselect/select.go | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 software/vendor/github.com/creack/goselect/select.go (limited to 'software/vendor/github.com/creack/goselect/select.go') diff --git a/software/vendor/github.com/creack/goselect/select.go b/software/vendor/github.com/creack/goselect/select.go new file mode 100644 index 0000000..7f2875e --- /dev/null +++ b/software/vendor/github.com/creack/goselect/select.go @@ -0,0 +1,28 @@ +package goselect + +import ( + "syscall" + "time" +) + +// Select wraps syscall.Select with Go types +func Select(n int, r, w, e *FDSet, timeout time.Duration) error { + var timeval *syscall.Timeval + if timeout >= 0 { + t := syscall.NsecToTimeval(timeout.Nanoseconds()) + timeval = &t + } + + return sysSelect(n, r, w, e, timeval) +} + +// RetrySelect wraps syscall.Select with Go types, and retries a number of times, with a given retryDelay. +func RetrySelect(n int, r, w, e *FDSet, timeout time.Duration, retries int, retryDelay time.Duration) (err error) { + for i := 0; i < retries; i++ { + if err = Select(n, r, w, e, timeout); err != syscall.EINTR { + return err + } + time.Sleep(retryDelay) + } + return err +} -- cgit v1.2.3-70-g09d2