Date: Sun, 01 Mar 2020 22:54:24 -0500 From: "Farhan Khan" <farhan@farhan.codes> To: "Hans Petter Selasky" <hps@selasky.org>, freebsd-usb@freebsd.org Subject: Re: Detecting if USB device pulled from machine Message-ID: <0da4a58c-fcda-4755-b129-5c2da925da9e@www.fastmail.com> In-Reply-To: <c46dbb00-44bb-6532-c430-6e6add4d8ed4@selasky.org> References: <52e73cc5-5881-40bd-99bf-5b69f5cbcc4f@www.fastmail.com> <c46dbb00-44bb-6532-c430-6e6add4d8ed4@selasky.org>
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I think I figured it out. There is no specific mechanism, its just that the detach() function updates that value. This was a misunderstanding on my part. Thank you! On Sun, Mar 1, 2020, at 7:49 AM, Hans Petter Selasky wrote: > On 2020-03-01 08:50, Farhan Khan wrote: > > Hi all, > > > > Quick question: I am reviewing some USB code between FreeBSD and OpenBSD. In OpenBSD, there is a function called usbd_is_dying (sys/dev/usb/usbdi.c) which appears to check if a device was removed from the system. Is there an equivalent in FreeBSD? > > > > Thanks! > > Hi, > > Check how "libusb20_dev_check_connected()" works in libusb. > > --HPS > -- Farhan Khan PGP Fingerprint: 1312 89CE 663E 1EB2 179C 1C83 C41D 2281 F8DA C0DE
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