initial commit
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ray
@@ -0,0 +1,59 @@
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#!/bin/bash
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# Quick diagnostic: is uinput functional on this kernel?
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# Sunshine uses libevdev/uinput for keyboard/mouse injection, NOT XTEST.
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# If this script fails, all input will be silently broken regardless of
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# Moonlight settings, admin rights, or WM choice.
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set -e
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echo "=== uinput diagnostic for Sunshine game streaming ==="
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echo "Kernel: $(uname -r)"
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echo ""
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# Check 1: basic device node
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if [ -e /dev/uinput ]; then
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echo "[PASS] /dev/uinput exists"
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else
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echo "[FAIL] /dev/uinput does not exist"
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exit 1
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fi
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# Check 2: writable
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if [ -w /dev/uinput ]; then
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echo "[PASS] /dev/uinput is writable"
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else
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echo "[FAIL] /dev/uinput is NOT writable"
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echo " Fix: sudo usermod -a -G input $USER && newgrp input"
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exit 1
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fi
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# Check 3: libevdev uinput create (the exact API Sunshine uses)
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python3 -c '
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import ctypes, sys
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libevdev = ctypes.CDLL("libevdev.so.2")
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dev = libevdev.libevdev_new()
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if not dev:
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print("[FAIL] libevdev_new() returned NULL")
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sys.exit(1)
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libevdev.libevdev_set_name(dev, b"diagnose-uinput")
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libevdev.libevdev_enable_event_type(dev, 1) # EV_KEY
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uinput_fd = ctypes.c_int(-1)
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ret = libevdev.libevdev_uinput_create_from_device(dev, 3, ctypes.byref(uinput_fd))
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libevdev.libevdev_free(dev)
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if ret == 0 and uinput_fd.value >= 0:
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print(f"[PASS] uinput device created (fd={uinput_fd.value})")
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import os; os.close(uinput_fd.value)
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elif ret < 0:
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import errno
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errname = errno.errorcode.get(-ret, f"unknown({ret})")
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print(f"[FAIL] uinput create returned {ret} (errno: {errname})")
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if ret == -25:
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print(" ENOTTY: uinput interface broken on this kernel (known on 7.0.0-22)")
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print(" Workaround: Steam Remote Play or boot older kernel")
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sys.exit(1)
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else:
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print(f"[FAIL] uinput create returned {ret}")
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sys.exit(1)
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'
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echo ""
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echo "=== Diagnostic complete ==="
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@@ -0,0 +1,34 @@
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#!/bin/bash
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# Bootstraps Steam on a headless server without requiring X11 interaction.
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# Bypasses the zenity license dialog that normally hangs headless installations.
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set -e
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# Get the current version expected by the Debian package
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if [ -f "/usr/games/steam" ]; then
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VERSION=$(grep -oP 'version="\K[^"]+' /usr/games/steam || echo "1.0.0.85")
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else
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VERSION="1.0.0.85"
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fi
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echo "Bootstrapping Steam headless installation (Version $VERSION)..."
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STEAMDIR="$HOME/.steam/debian-installation"
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mkdir -p "$STEAMDIR"
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echo "Downloading Steam bootstrap tarball..."
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curl -fsSL "https://repo.steampowered.com/steam/archive/beta/steam_${VERSION}.tar.gz" | tar -xz -C "$STEAMDIR"
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echo "Extracting embedded Steam runtime..."
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tar -xJf "$STEAMDIR/steam-launcher/bootstraplinux_ubuntu12_32.tar.xz" -C "$STEAMDIR"
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echo "Marking installation version..."
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mkdir -p "$STEAMDIR/deb-installer"
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echo "$VERSION" > "$STEAMDIR/deb-installer/version"
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echo "Creating required API symlinks..."
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ln -fns "$STEAMDIR" "$HOME/.steam/steam"
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ln -fns "$STEAMDIR" "$HOME/.steam/root"
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echo "Steam is now bootstrapped."
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echo "Run 'DISPLAY=:0 steam' to trigger the background update (takes ~3 minutes)."
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@@ -0,0 +1,49 @@
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#!/bin/bash
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# Launch Steam Big Picture and force it fullscreen on headless X11
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#
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# On headless servers with an HDMI dummy plug, Steam Big Picture frequently
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# renders as a 1280x800 window instead of going fullscreen. This means
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# Sunshine captures the entire root window (3840x2160) and Moonlight shows
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# mostly desktop background — user sees a "black screen."
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#
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# Additionally, the dummy plug enters DPMS Off after ~15 minutes of
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# inactivity, causing X11 capture to return black frames. This script
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# forces the display on before launching Steam.
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#
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# Deploy to ~/.config/sunshine/scripts/steam-bigpicture.sh
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# Reference in apps.json:
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# "detached": ["/home/ray/.config/sunshine/scripts/steam-bigpicture.sh"]
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# Also add DPMS fix to prep-cmd (Sunshine runs commands directly, use sh -c):
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# "do": "sh -c 'DISPLAY=:0 xset -dpms s off; DISPLAY=:0 xset dpms force on'"
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export DISPLAY=:0
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export STEAM_BIGPICTURE=1
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# Force the display ON and disable DPMS/screensaver
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xset -dpms s off 2>/dev/null
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xset dpms force on 2>/dev/null
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# Launch Steam into Big Picture mode
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steam -fulldesktopres -bigpicture &
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# Wait up to 30 seconds for the Big Picture window to appear
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for i in $(seq 1 30); do
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sleep 1
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WIN_ID=$(xdotool search --name "Steam Big Picture Mode" 2>/dev/null | head -1)
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if [ -n "$WIN_ID" ]; then
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sleep 3
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# Fullscreen via wmctrl (EWMH protocol — most reliable on XFWM4)
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wmctrl -ir "$WIN_ID" -b add,fullscreen 2>/dev/null
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sleep 1
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# Fallback: xdotool resize + move + activate
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xdotool windowsize "$WIN_ID" 3840 2160 2>/dev/null
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xdotool windowmove "$WIN_ID" 0 0 2>/dev/null
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xdotool windowactivate "$WIN_ID" 2>/dev/null
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exit 0
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fi
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done
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exit 1
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@@ -0,0 +1,62 @@
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/*
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* LD_PRELOAD shim for Sunshine on kernel 7.0+.
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*
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* PROBLEM: Kernel 7.0 (confirmed: 7.0.0-22-generic) requires UI_DEV_SETUP ioctl
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* BEFORE UI_DEV_CREATE on /dev/uinput. The old write()+UI_DEV_CREATE sequence
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* and bare UI_DEV_CREATE both fail with EINVAL. Sunshine links against
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* libevdev which uses the old method. Result: keyboard and mouse input silently
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* fail (Sunshine receives Moonlight packets but can't inject into X11).
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*
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* FIX: This shim overrides libevdev_uinput_create_from_device() to use the
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* correct UI_DEV_SETUP + UI_DEV_CREATE sequence.
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*
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* COMPILE: gcc -shared -fPIC -o uinput_fix.so uinput-shim.c -ldl
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*
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* DEPLOY:
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* 1. cp uinput_fix.so ~/.config/sunshine/uinput_fix.so
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* 2. Add to Sunshine systemd override:
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* [Service]
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* Environment=LD_PRELOAD=/home/ray/.config/sunshine/uinput_fix.so
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* 3. systemctl --user daemon-reload
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* 4. systemctl --user restart sunshine
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*
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* VERIFY: After connecting Moonlight, check that input events are created:
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* grep "keyboard packet" ~/.config/sunshine/sunshine.log | tail -5
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* # Should see packets arriving, AND keyboard/mouse now works on client.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dlfcn.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <linux/uinput.h>
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int libevdev_uinput_create_from_device(void *dev, int flags, int *uifd) {
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int fd = open("/dev/uinput", O_WRONLY);
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if (fd < 0) { return -errno; }
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struct uinput_setup usetup;
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memset(&usetup, 0, sizeof(usetup));
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usetup.id.bustype = BUS_USB;
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usetup.id.vendor = 0x1234;
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usetup.id.product = 0x5678;
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strncpy(usetup.name, "Sunshine Keyboard", UINPUT_MAX_NAME_SIZE-1);
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if (ioctl(fd, UI_DEV_SETUP, &usetup) < 0) {
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close(fd);
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return -errno;
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}
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if (ioctl(fd, UI_DEV_CREATE) < 0) {
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close(fd);
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return -errno;
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}
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*uifd = fd;
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return 0;
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}
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