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glfw/x11_window/selection: timeout if no answer for two seconds

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This prevents kitty to hang forever if a bad client does not give selection
This commit is contained in:
Dominique Martinet 2018-10-02 16:03:48 +09:00
parent 019e6efeda
commit d8a74e8a3c
1 changed files with 10 additions and 2 deletions
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12
glfw/x11_window.c vendored
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@ -873,6 +873,7 @@ static const char* getSelectionString(Atom selection)
Atom actualType;
int actualFormat;
unsigned long itemCount, bytesAfter;
double start = glfwGetTime();
XEvent notification, dummy;
XConvertSelection(_glfw.x11.display,
@ -887,7 +888,10 @@ static const char* getSelectionString(Atom selection)
SelectionNotify,
&notification))
{
waitForX11Event(-1);
double time = glfwGetTime();
if (time - start > 2)
return "";
waitForX11Event(2.0 - (time - start));
}
if (notification.xselection.property == None)
@ -918,12 +922,16 @@ static const char* getSelectionString(Atom selection)
for (;;)
{
start = glfwGetTime();
while (!XCheckIfEvent(_glfw.x11.display,
&dummy,
isSelPropNewValueNotify,
(XPointer) &notification))
{
waitForX11Event(-1);
double time = glfwGetTime();
if (time - start > 2)
return "";
waitForX11Event(2.0 - (time - start));
}
XFree(data);