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Merge pull request #238 from GuildMasterInfinite/gui-thread

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Use `IsGUIThread` to initialize message queue
This commit is contained in:
tomaka
2017-07-18 20:53:59 +02:00
committed by GitHub
parent 2066909845 8add21b04f
commit 28eddb64a9
1 changed files with 4 additions and 4 deletions
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8
src/platform/windows/events_loop.rs
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@@ -98,16 +98,16 @@ impl EventsLoop {
}); });
unsafe { unsafe {
let mut msg = mem::uninitialized();
// Calling `PostThreadMessageA` on a thread that does not have an events queue yet // Calling `PostThreadMessageA` on a thread that does not have an events queue yet
// will fail. In order to avoid this situation, we call `PeekMessage` to initialize // will fail. In order to avoid this situation, we call `IsGuiThread` to initialize
// it. // it.
user32::PeekMessageA(&mut msg, ptr::null_mut(), 0, 0, 0); user32::IsGUIThread(1);
// Then only we unblock the `new()` function. We are sure that we don't call // Then only we unblock the `new()` function. We are sure that we don't call
// `PostThreadMessageA()` before `new()` returns. // `PostThreadMessageA()` before `new()` returns.
local_block_tx.send(()).unwrap(); local_block_tx.send(()).unwrap();
let mut msg = mem::uninitialized();
loop { loop {
if user32::GetMessageW(&mut msg, ptr::null_mut(), 0, 0) == 0 { if user32::GetMessageW(&mut msg, ptr::null_mut(), 0, 0) == 0 {
// Only happens if the message is `WM_QUIT`. // Only happens if the message is `WM_QUIT`.