Date: Wed, 6 Feb 2013 11:16:19 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r246397 - head/sys/dev/syscons Message-ID: <201302061116.r16BGJMJ091366@svn.freebsd.org>
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Author: hselasky Date: Wed Feb 6 11:16:18 2013 New Revision: 246397 URL: http://svnweb.freebsd.org/changeset/base/246397 Log: Make sure that all mouse buttons are released when clients using /dev/consolectl close. This fixes a problem where if a USB mouse is detached while a button is pressed, that button is never released. MFC after: 1 week Modified: head/sys/dev/syscons/syscons.c Modified: head/sys/dev/syscons/syscons.c ============================================================================== --- head/sys/dev/syscons/syscons.c Wed Feb 6 11:10:41 2013 (r246396) +++ head/sys/dev/syscons/syscons.c Wed Feb 6 11:16:18 2013 (r246397) @@ -253,11 +253,13 @@ static struct ttydevsw sc_ttydevsw = { }; static d_ioctl_t consolectl_ioctl; +static d_close_t consolectl_close; static struct cdevsw consolectl_devsw = { .d_version = D_VERSION, - .d_flags = D_NEEDGIANT, + .d_flags = D_NEEDGIANT | D_TRACKCLOSE, .d_ioctl = consolectl_ioctl, + .d_close = consolectl_close, .d_name = "consolectl", }; @@ -1561,6 +1563,23 @@ consolectl_ioctl(struct cdev *dev, u_lon return sctty_ioctl(dev->si_drv1, cmd, data, td); } +static int +consolectl_close(struct cdev *dev, int flags, int mode, struct thread *td) +{ +#ifndef SC_NO_SYSMOUSE + mouse_info_t info; + memset(&info, 0, sizeof(info)); + info.operation = MOUSE_ACTION; + + /* + * Make sure all buttons are released when moused and other + * console daemons exit, so that no buttons are left pressed. + */ + (void) sctty_ioctl(dev->si_drv1, CONS_MOUSECTL, (caddr_t)&info, td); +#endif + return (0); +} + static void sc_cnprobe(struct consdev *cp) {
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