Bemanitools v5.26 release

2019-09-27 22:36:50 +02:00
commit cbd7720349
718 changed files with 62731 additions and 0 deletions
@@ -0,0 +1,118 @@
+#define LOG_MODULE "msg-thread"
+
+#include <windows.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "util/log.h"
+#include "util/msg-thread.h"
+#include "util/thread.h"
+
+static bool msg_thread_step(HWND hwnd);
+
+static const char msg_wndclass_name[] = "msg-thread";
+
+static int msg_thread_id;
+static HANDLE msg_thread_ready;
+static HANDLE msg_thread_stop;
+static HWND msg_window;
+
+static int msg_thread_proc(void *param)
+{
+    HWND hwnd;
+    HINSTANCE inst;
+    MSG msg;
+    WNDCLASSEX wcx;
+
+    inst = param;
+
+    memset(&wcx, 0, sizeof(wcx));
+
+    wcx.cbSize = sizeof(wcx);
+    wcx.lpfnWndProc = msg_window_proc; /* callback */
+    wcx.hInstance = inst;
+    wcx.lpszClassName = msg_wndclass_name;
+
+    RegisterClassEx(&wcx);
+
+    /* Message-only windows (children of HWND_MESSAGE) do not receive
+       broadcast events.
+
+       Because THAT totally makes sense. */
+
+    hwnd = CreateWindowEx(0, msg_wndclass_name, NULL, 0, 0, 0, 0, 0,
+            NULL, NULL, inst, NULL);
+
+    msg_window_setup(hwnd); /* callback */
+
+    PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE);
+    SetEvent(msg_thread_ready);
+
+    while (msg_thread_step(hwnd));
+
+    msg_window_teardown(hwnd); /* callback */
+
+    DestroyWindow(hwnd);
+    UnregisterClass(msg_wndclass_name, inst);
+
+    return 0;
+}
+
+static bool msg_thread_step(HWND hwnd)
+{
+    MSG msg;
+    DWORD result;
+
+    result = MsgWaitForMultipleObjectsEx(1, &msg_thread_stop, INFINITE,
+            QS_ALLINPUT, MWMO_ALERTABLE);
+
+    switch (result) {
+        case WAIT_OBJECT_0:
+            return false;
+
+        case WAIT_OBJECT_0 + 1:
+            while (PeekMessage(&msg, msg_window, 0, 0, PM_REMOVE)) {
+                TranslateMessage(&msg);
+                DispatchMessage(&msg);
+            }
+
+            return true;
+
+        case WAIT_IO_COMPLETION:
+            return true;
+
+        case WAIT_FAILED:
+            log_warning("MsgWaitForMultipleObjectsEx failed: %08x",
+                    (unsigned int) GetLastError());
+
+            return false;
+
+        default:
+            log_warning("Spurious wakeup: result = %08x",
+                    (unsigned int) result);
+
+            return true;
+    }
+}
+
+void msg_thread_init(HINSTANCE inst)
+{
+    msg_thread_ready = CreateEvent(NULL, TRUE, FALSE, NULL);
+    msg_thread_stop = CreateEvent(NULL, TRUE, FALSE, NULL);
+    msg_thread_id = thread_create(msg_thread_proc, inst, 0x4000, 0);
+
+    WaitForSingleObject(msg_thread_ready, INFINITE);
+    CloseHandle(msg_thread_ready);
+}
+
+void msg_thread_fini(void)
+{
+    SetEvent(msg_thread_stop);
+
+    thread_join(msg_thread_id, NULL);
+    thread_destroy(msg_thread_id);
+
+    CloseHandle(msg_thread_stop);
+}
+