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Prevent input_server from hogging the CPU when input devices fail.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14476 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen 2005-10-23 00:28:14 +00:00
parent a21a8b1324
commit 106d748c45
5 changed files with 22 additions and 17 deletions
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13
src/add-ons/input_server/devices/keyboard/KeyboardInputDevice.cpp
View File

@ -618,10 +618,15 @@ KeyboardInputDevice::DeviceWatcher(void *arg)
memset(states, 0, sizeof(states));
LOG("%s\n", __PRETTY_FUNCTION__);
while (dev->active) {
LOG("%s\n", __PRETTY_FUNCTION__);
if (ioctl(dev->fd, kGetNextKey, &buffer) == B_OK) {
if (ioctl(dev->fd, kGetNextKey, &buffer) != B_OK) {
snooze(10000); // this is a realtime thread, and something is wrong...
continue;
}
uint32 keycode = 0;
bool is_keydown = false;
bigtime_t timestamp = 0;
@ -769,10 +774,6 @@ KeyboardInputDevice::DeviceWatcher(void *arg)
activeDeadKey = newDeadKey;
}
lastKeyCode = keycode;
} else {
LOG("kGetNextKey error 2\n");
snooze(100000);
}
}
return 0;

4
src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp
View File

@ -339,8 +339,10 @@ MouseInputDevice::DeviceWatcher(void *arg)
BMessage *message = NULL;
while (dev->active) {
memset(&movements, 0, sizeof(movements));
if (ioctl(dev->fd, MS_READ, &movements) < B_OK)
if (ioctl(dev->fd, MS_READ, &movements) != B_OK) {
snooze(10000); // this is a realtime thread, and something is wrong...
continue;
}
uint32 buttons = buttons_state ^ movements.buttons;

5
src/add-ons/input_server/devices/serial_mouse/MouseInputDevice.cpp
View File

@ -251,9 +251,10 @@ MouseInputDevice::DeviceWatcher(void* arg)
while (dev->active)
{
memset(&movements, 0, sizeof(movements));
if (dev->sm->GetMouseEvent(&movements) < B_OK)
if (dev->sm->GetMouseEvent(&movements) != B_OK) {
snooze(10000); // this is a realtime thread, and something is wrong...
continue;
}
/*
LOG("%s: buttons: 0x%lx, x: %ld, y: %ld, clicks:%ld, wheel_x:%ld, \
wheel_y:%ld\n", dev->device_ref.name, movements.buttons,

13
src/add-ons/input_server/devices/serial_mouse/SerialMouse.cpp
View File

@ -306,11 +306,8 @@ SerialMouse::GetMouseEvent(mouse_movement* mm)
if (GetPacket(data) != B_OK)
return B_ERROR; // not enough, or out-of-sync, data.
if (PacketToMM(data, mm) != B_OK) {
// Something went wrong, clean up.
memset(mm, 0, sizeof(mouse_movement));
return B_ERROR;
}
if (PacketToMM(data, mm) != B_OK)
return B_ERROR; // something went wrong
#ifdef DEBUG_SERIAL_MOUSE
DumpData(mm);
@ -344,8 +341,10 @@ SerialMouse::GetPacket(char data[])
// TODO: Shall we block here instead of leaving after a timeout?
// Yes, if we get called it's because there IS a mouse out there.
if (fSerialPort->Read(&c, 1) != 1)
if (fSerialPort->Read(&c, 1) != 1) {
snooze(5000); // this is a realtime thread, and something is wrong...
break;
}
if (bytes_read == 0) {
if ((c & mp[fMouseID].sync[0]) != mp[fMouseID].sync[1]) {
@ -383,7 +382,7 @@ SerialMouse::PacketToMM(char data[], mouse_movement* mm)
const uint8 kTertiaryButton = 4;
static uint8 previous_buttons = 0; // only meaningful for kMicrosoft.
mm->timestamp = system_time();
switch (fMouseID) {

4
src/add-ons/input_server/devices/tablet/TabletInputDevice.cpp
View File

@ -322,8 +322,10 @@ TabletInputDevice::DeviceWatcher(void *arg)
BMessage *message;
while (dev->active) {
memset(&movements, 0, sizeof(movements));
if (ioctl(dev->fd, MS_READ, &movements) < B_OK)
if (ioctl(dev->fd, MS_READ, &movements) != B_OK) {
snooze(10000); // this is a realtime thread, and something is wrong...
continue;
}
uint32 buttons = buttons_state ^ movements.buttons;