637a8d7ff8
Instead of timers, add a mechanism for informing the parent app when the next timeout is due to happen, so that it can call us at that time. As we no longer use signals, signalfd has also been removed.
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* libusb example program to list devices on the bus
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* Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <libusb/libusb.h>
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void print_devs(libusb_dev *devs)
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{
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libusb_dev *dev;
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for (dev = devs; dev; dev = libusb_dev_next(dev)) {
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struct libusb_dev_descriptor *desc = libusb_dev_get_descriptor(dev);
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printf("%04x:%04x\n", desc->idVendor, desc->idProduct);
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}
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}
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int main(void)
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{
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libusb_dev *devs;
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int r;
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r = libusb_init();
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if (r < 0)
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return r;
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libusb_find_devices();
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devs = libusb_get_devices();
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print_devs(devs);
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libusb_exit();
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return 0;
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}
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