Fix glfwMakeContextCurrent using uninitialized TLS

Issue reported by danhambleton on the GLFW forum:
https://discourse.glfw.org/t/posix-thread-local-storage-tls-error-when-making-context-current/2034

(cherry picked from commit f843d53333)
This commit is contained in:
Camilla Löwy 2022-04-08 18:22:39 +02:00
parent 05422e2824
commit 4143d96228
3 changed files with 5 additions and 1 deletions

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@ -43,6 +43,7 @@ video tutorials.
- Noel Cower
- CuriouserThing
- Jason Daly
- danhambleton
- Jarrod Davis
- Olivier Delannoy
- Paul R. Deppe

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@ -123,6 +123,7 @@ information on what to include when reporting a bug.
## Changelog
- Bugfix: `glfwMakeContextCurrent` would access TLS slot before initialization
- [Win32] Bugfix: `Alt+PrtSc` would emit `GLFW_KEY_UNKNOWN` and a different
scancode than `PrtSc` (#1993)
- [Win32] Bugfix: `GLFW_KEY_PAUSE` scancode from `glfwGetKeyScancode` did not

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@ -609,10 +609,12 @@ GLFWbool _glfwStringInExtensionString(const char* string, const char* extensions
GLFWAPI void glfwMakeContextCurrent(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFWwindow* previous = _glfwPlatformGetTls(&_glfw.contextSlot);
_GLFWwindow* previous;
_GLFW_REQUIRE_INIT();
previous = _glfwPlatformGetTls(&_glfw.contextSlot);
if (window && window->context.client == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT,