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hw/xfree86: Use NotifyFd for device and other input fd wakeups 

Remove code in xf86Wakeup for dealing with device and other input and
switch to using the new NotifyFd interface.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2015-11-11 22:02:16 -08:00 committed by Adam Jackson
parent e51ea53b26
commit 1df07dc36c
1 changed files with 26 additions and 41 deletions
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67
hw/xfree86/common/xf86Events.c
View File

@ -101,8 +101,6 @@ Bool VTSwitchEnabled = TRUE; /* Allows run-time disabling for
switches when using the DRI
automatic full screen mode.*/
extern fd_set EnabledDevices;
#ifdef XF86PM
extern void (*xf86OSPMClose) (void);
#endif
@ -247,45 +245,6 @@ xf86ProcessActionEvent(ActionEvent action, void *arg)
void
xf86Wakeup(void *blockData, int err, void *pReadmask)
{
fd_set *LastSelectMask = (fd_set *) pReadmask;
fd_set devicesWithInput;
InputInfoPtr pInfo;
if (err >= 0) {
XFD_ANDSET(&devicesWithInput, LastSelectMask, &EnabledDevices);
if (XFD_ANYSET(&devicesWithInput)) {
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->read_input && pInfo->fd >= 0 &&
(FD_ISSET(pInfo->fd, &devicesWithInput) != 0)) {
OsBlockSIGIO();
/*
* Remove the descriptior from the set because more than one
* device may share the same file descriptor.
*/
FD_CLR(pInfo->fd, &devicesWithInput);
pInfo->read_input(pInfo);
OsReleaseSIGIO();
}
pInfo = pInfo->next;
}
}
}
if (err >= 0) { /* we don't want the handlers called if select() */
IHPtr ih, ih_tmp; /* returned with an error condition, do we? */
nt_list_for_each_entry_safe(ih, ih_tmp, InputHandlers, next) {
if (ih->enabled && ih->fd >= 0 && ih->ihproc &&
(FD_ISSET(ih->fd, ((fd_set *) pReadmask)) != 0)) {
ih->ihproc(ih->fd, ih->data);
}
}
}
if (xf86VTSwitchPending())
xf86VTSwitch();
}
@ -305,6 +264,15 @@ xf86SigioReadInput(int fd, void *closure)
errno = errno_save;
}
static void
xf86NotifyReadInput(int fd, int ready, void *closure)
{
InputInfoPtr pInfo = closure;
OsBlockSIGIO();
pInfo->read_input(pInfo);
OsReleaseSIGIO();
}
/*
* xf86AddEnabledDevice --
*
@ -314,6 +282,7 @@ xf86AddEnabledDevice(InputInfoPtr pInfo)
{
if (!xf86InstallSIGIOHandler(pInfo->fd, xf86SigioReadInput, pInfo)) {
AddEnabledDevice(pInfo->fd);
SetNotifyFd(pInfo->fd, xf86NotifyReadInput, X_NOTIFY_READ, pInfo);
}
}
@ -326,6 +295,7 @@ xf86RemoveEnabledDevice(InputInfoPtr pInfo)
{
if (!xf86RemoveSIGIOHandler(pInfo->fd)) {
RemoveEnabledDevice(pInfo->fd);
RemoveNotifyFd(pInfo->fd);
}
}
@ -636,6 +606,16 @@ xf86VTSwitch(void)
/* Input handler registration */
static void
xf86InputHandlerNotify(int fd, int ready, void *data)
{
IHPtr ih = data;
if (ih->enabled && ih->fd >= 0 && ih->ihproc) {
ih->ihproc(ih->fd, ih->data);
}
}
static void *
addInputHandler(int fd, InputHandlerProc proc, void *data)
{
@ -653,6 +633,11 @@ addInputHandler(int fd, InputHandlerProc proc, void *data)
ih->data = data;
ih->enabled = TRUE;
if (!SetNotifyFd(fd, xf86InputHandlerNotify, X_NOTIFY_READ, ih)) {
free(ih);
return NULL;
}
ih->next = InputHandlers;
InputHandlers = ih;