A few days ago I thought I experienced a bug but then it disappeared and I was unable to recreate it. However, I have now isolated the bug. The bug is experienced when calling glfwPostEmptyEvent() where it should cause the blocked thread that called glfwWaitEvents() to return but in this instance …

You should only init and call glfwWaitEvents() from the main thread - so this could be the source of your problems. The main thread here being the thread which your program starts with. See the section on thread safety . It’s also possible that you are calling glfwPostEmptyEvent before you init GLFW…

You should post exact code that does not work for you. I’ve tried following code and it worked just fine on Windows: #include <thread> #include <chrono> #include <GLFW/glfw3.h> #include <stdio.h> int main() { glfwInit(); glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); GLFWwindow* w = glfwCreateWindo…

Thanks @mmozeiko - I’ve also tried this without creating a window (removed 3 lines after glfwInit()) since I think that might be what @pennyzenny is trying to do, on Windows 11 and Ubuntu 20.04.4, and this also works.

BUG: glfwPostEmptyEvent() does not unblock glfwWaitEvents();

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pennyzenny June 24, 2022, 10:19pm 3

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BUG: glfwPostEmptyEvent() does not unblock glfwWaitEvents();

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