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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
commitb16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch)
tree4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/programs/Xserver/hw/dmx/input/dmxsigio.c
parent0d5a83e986f39982c0924652a3662e60b1f23162 (diff)
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massive reduction of unneeded files
Diffstat (limited to 'nx-X11/programs/Xserver/hw/dmx/input/dmxsigio.c')
-rw-r--r--nx-X11/programs/Xserver/hw/dmx/input/dmxsigio.c234
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diff --git a/nx-X11/programs/Xserver/hw/dmx/input/dmxsigio.c b/nx-X11/programs/Xserver/hw/dmx/input/dmxsigio.c
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index 840b56641..000000000
--- a/nx-X11/programs/Xserver/hw/dmx/input/dmxsigio.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/* $XFree86$ */
-/*
- * Copyright 2002-2003 Red Hat Inc., Durham, North Carolina.
- *
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * Authors:
- * Rickard E. (Rik) Faith <faith@redhat.com>
- *
- */
-
-/** \file
- *
- * Provides an interface for handling SIGIO signals for input devices. */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "inputstr.h"
-#include "dmxinputinit.h"
-#include "dmxsigio.h"
-#include "dmxevents.h"
-#include <signal.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-static int dmxFdCount = 0;
-static Bool dmxInputEnabled = TRUE;
-
-/* Define equivalents for non-POSIX systems (e.g., SGI IRIX, Solaris) */
-#ifndef O_ASYNC
-# ifdef FASYNC
-# define O_ASYNC FASYNC
-# else
-# define O_ASYNC 0
-# endif
-#endif
-#ifndef O_NONBLOCK
-#define O_NONBLOCK FNONBLK
-#endif
-
-static void dmxSigioHandler(int sig)
-{
- int i, j;
- DMXInputInfo *dmxInput;
-
- for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++) {
- if (dmxInput->sigioState == DMX_ACTIVESIGIO) {
- for (j = 0; j < dmxInput->numDevs; j++) {
- DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[j];
- if (dmxLocal->collect_events) {
- dmxLocal->collect_events(&dmxLocal->pDevice->public,
- dmxMotion,
- dmxEnqueue,
- dmxCheckSpecialKeys,
- DMX_NO_BLOCK);
- }
- }
- }
- }
-}
-
-/** Block SIGIO handling. */
-void dmxSigioBlock(void)
-{
- sigset_t s;
-
- sigemptyset(&s);
- sigaddset(&s, SIGIO);
- sigprocmask(SIG_BLOCK, &s, 0);
-}
-
-/** Unblock SIGIO handling. */
-void dmxSigioUnblock(void)
-{
- sigset_t s;
-
- sigemptyset(&s);
- sigaddset(&s, SIGIO);
- sigprocmask(SIG_UNBLOCK, &s, 0);
-}
-
-static void dmxSigioHook(void)
-{
- struct sigaction a;
- sigset_t s;
-
- memset(&a, 0, sizeof(a));
- a.sa_handler = dmxSigioHandler;
- sigemptyset(&a.sa_mask);
- sigaddset(&a.sa_mask, SIGIO);
- sigaddset(&a.sa_mask, SIGALRM);
- sigaddset(&a.sa_mask, SIGVTALRM);
- sigaction(SIGIO, &a, 0);
-
- sigemptyset(&s);
- sigprocmask(SIG_SETMASK, &s, 0);
-}
-
-static void dmxSigioUnhook(void)
-{
- struct sigaction a;
-
- memset (&a, 0, sizeof(a));
- a.sa_handler = SIG_IGN;
- sigemptyset(&a.sa_mask);
- sigaction(SIGIO, &a, 0);
-}
-
-static void dmxSigioAdd(DMXInputInfo *dmxInput)
-{
- int flags;
- int i;
-
- switch (dmxInput->sigioState) {
- case DMX_NOSIGIO: return;
- case DMX_USESIGIO: dmxInput->sigioState = DMX_ACTIVESIGIO; break;
- case DMX_ACTIVESIGIO: return;
- }
-
- for (i = 0; i < dmxInput->sigioFdCount; i++) {
- if (!dmxInput->sigioAdded[i]) {
- int fd = dmxInput->sigioFd[i];
-
- fcntl(fd, F_SETOWN, getpid());
- flags = fcntl(fd, F_GETFL);
- flags |= O_ASYNC|O_NONBLOCK;
- fcntl(fd, F_SETFL, flags);
-
- AddEnabledDevice(fd);
- dmxInput->sigioAdded[i] = TRUE;
-
- if (++dmxFdCount == 1) dmxSigioHook();
- }
- }
-}
-
-static void dmxSigioRemove(DMXInputInfo *dmxInput)
-{
- int flags;
- int i;
-
- switch (dmxInput->sigioState) {
- case DMX_NOSIGIO: return;
- case DMX_USESIGIO: return;
- case DMX_ACTIVESIGIO: dmxInput->sigioState = DMX_USESIGIO; break;
- }
-
- for (i = 0; i < dmxInput->sigioFdCount; i++) {
- if (dmxInput->sigioAdded[i]) {
- int fd = dmxInput->sigioFd[i];
-
- dmxInput->sigioAdded[i] = FALSE;
- RemoveEnabledDevice(fd);
-
- flags = fcntl(fd, F_GETFL);
- flags &= ~(O_ASYNC|O_NONBLOCK);
- fcntl(fd, F_SETFL, flags);
-
- if (!--dmxFdCount) dmxSigioUnhook();
- }
- }
-}
-
-/** Enable SIGIO handling. This instantiates the handler with the OS. */
-void dmxSigioEnableInput(void)
-{
- int i;
- DMXInputInfo *dmxInput;
-
- dmxInputEnabled = TRUE;
- for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++)
- dmxSigioAdd(dmxInput);
-}
-
-/** Disable SIGIO handling. This removes the hanlder from the OS. */
-void dmxSigioDisableInput(void)
-{
- int i;
- DMXInputInfo *dmxInput;
-
- dmxInputEnabled = FALSE;
- for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++)
- dmxSigioRemove(dmxInput);
-}
-
-/** Make a note that the input device described in \a dmxInput will be
- * using the file descriptor \a fd for SIGIO signals. Calls
- * AddEnabledDevice ifi SIGIO handling has been enabled with
- * #dmxSigioEnableInput(). */
-void dmxSigioRegister(DMXInputInfo *dmxInput, int fd)
-{
- dmxInput->sigioState = DMX_USESIGIO;
- if (dmxInput->sigioFdCount >= DMX_MAX_SIGIO_FDS)
- dmxLog(dmxFatal, "Too many SIGIO file descriptors (%d >= %d)\n",
- dmxInput->sigioFdCount, DMX_MAX_SIGIO_FDS);
-
- dmxInput->sigioFd[dmxInput->sigioFdCount++] = fd;
- if (dmxInputEnabled) dmxSigioAdd(dmxInput);
-}
-
-/** Remove the notes that \a dmxInput is using any file descriptors for
- * SIGIO signals. Calls RemoveEnabledDevice. */
-void dmxSigioUnregister(DMXInputInfo *dmxInput)
-{
- if (dmxInput->sigioState == DMX_NOSIGIO) return;
- dmxSigioRemove(dmxInput);
- dmxInput->sigioState = DMX_NOSIGIO;
- dmxInput->sigioFdCount = 0;
-}