mirror of
https://github.com/djhackersdev/bemanitools.git
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e4a221e15b
Boils down to: - Include headers - Reduce boiler plate with helpers - Swap out explicit usages with core API layer and ensure the right API is configured beforehand
121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
#define LOG_MODULE "msg-thread"
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#include <windows.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "core/log.h"
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#include "core/thread.h"
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#include "util/msg-thread.h"
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static bool msg_thread_step(HWND hwnd);
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static const char msg_wndclass_name[] = "msg-thread";
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static int msg_thread_id;
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static HANDLE msg_thread_ready;
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static HANDLE msg_thread_stop;
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static HWND msg_window;
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static int msg_thread_proc(void *param)
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{
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HWND hwnd;
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HINSTANCE inst;
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MSG msg;
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WNDCLASSEX wcx;
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inst = param;
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memset(&wcx, 0, sizeof(wcx));
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wcx.cbSize = sizeof(wcx);
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wcx.lpfnWndProc = msg_window_proc; /* callback */
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wcx.hInstance = inst;
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wcx.lpszClassName = msg_wndclass_name;
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RegisterClassEx(&wcx);
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/* Message-only windows (children of HWND_MESSAGE) do not receive
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broadcast events.
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Because THAT totally makes sense. */
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hwnd = CreateWindowEx(
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0, msg_wndclass_name, NULL, 0, 0, 0, 0, 0, NULL, NULL, inst, NULL);
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msg_window_setup(hwnd); /* callback */
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PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE);
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SetEvent(msg_thread_ready);
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while (msg_thread_step(hwnd))
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;
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msg_window_teardown(hwnd); /* callback */
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DestroyWindow(hwnd);
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UnregisterClass(msg_wndclass_name, inst);
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return 0;
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}
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static bool msg_thread_step(HWND hwnd)
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{
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MSG msg;
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DWORD result;
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result = MsgWaitForMultipleObjectsEx(
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1, &msg_thread_stop, INFINITE, QS_ALLINPUT, MWMO_ALERTABLE);
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switch (result) {
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case WAIT_OBJECT_0:
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return false;
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case WAIT_OBJECT_0 + 1:
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while (PeekMessage(&msg, msg_window, 0, 0, PM_REMOVE)) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return true;
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case WAIT_IO_COMPLETION:
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return true;
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case WAIT_FAILED:
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log_warning(
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"MsgWaitForMultipleObjectsEx failed: %08x",
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(unsigned int) GetLastError());
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return false;
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default:
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log_warning(
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"Spurious wakeup: result = %08x", (unsigned int) result);
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return true;
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}
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}
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void msg_thread_init(HINSTANCE inst)
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{
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msg_thread_ready = CreateEvent(NULL, TRUE, FALSE, NULL);
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msg_thread_stop = CreateEvent(NULL, TRUE, FALSE, NULL);
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msg_thread_id = core_thread_create(msg_thread_proc, inst, 0x4000, 0);
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WaitForSingleObject(msg_thread_ready, INFINITE);
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CloseHandle(msg_thread_ready);
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}
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void msg_thread_fini(void)
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{
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SetEvent(msg_thread_stop);
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core_thread_join(msg_thread_id, NULL);
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core_thread_destroy(msg_thread_id);
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CloseHandle(msg_thread_stop);
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}
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