mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-22 05:27:20 +00:00
use a timer for the LGMP host instead of a thread
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parent
e7f088ef52
commit
fdb9a9cca8
@ -26,4 +26,4 @@ bool app_init();
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void app_quit();
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// these must be implemented for each OS
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const char * os_getExecutable();
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const char * os_getExecutable();
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@ -48,6 +48,7 @@ struct AppState
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};
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static struct AppState app = {0};
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HWND MessageHWND;
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// undocumented API to adjust the system timer resolution (yes, its a nasty hack)
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typedef NTSTATUS (__stdcall *ZwSetTimerResolution_t)(ULONG RequestedResolution, BOOLEAN Set, PULONG ActualResolution);
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@ -216,6 +217,9 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
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}
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app.messageWnd = CreateWindowEx(0, "DUMMY_CLASS", "DUMMY_NAME", 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL);
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// set the global
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MessageHWND = app.messageWnd;
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app.trayMenu = CreatePopupMenu();
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AppendMenu(app.trayMenu, MF_STRING , ID_MENU_OPEN_LOG, "Open Log File");
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AppendMenu(app.trayMenu, MF_SEPARATOR, 0 , NULL );
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@ -297,4 +301,9 @@ bool app_init()
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const char * os_getExecutable()
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{
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return app.executable;
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}
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}
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HWND os_getMessageWnd()
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{
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return app.messageWnd;
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}
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@ -30,4 +30,4 @@ struct MSG_CALL_FUNCTION
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LPARAM lParam;
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};
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LRESULT sendAppMessage(UINT Msg, WPARAM wParam, LPARAM lParam);
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LRESULT sendAppMessage(UINT Msg, WPARAM wParam, LPARAM lParam);
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@ -28,6 +28,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
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#include "common/thread.h"
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#include "common/ivshmem.h"
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#include "common/sysinfo.h"
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#include "common/time.h"
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#include <lgmp/host.h>
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@ -47,14 +48,14 @@ static const struct LGMPQueueConfig FRAME_QUEUE_CONFIG =
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{
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.queueID = LGMP_Q_FRAME,
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.numMessages = LGMP_Q_FRAME_LEN,
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.subTimeout = 10000
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.subTimeout = 1000
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};
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static const struct LGMPQueueConfig POINTER_QUEUE_CONFIG =
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{
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.queueID = LGMP_Q_POINTER,
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.numMessages = LGMP_Q_POINTER_LEN,
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.subTimeout = 10000
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.subTimeout = 1000
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};
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#define MAX_POINTER_SIZE (sizeof(KVMFRCursor) + (128 * 128 * 4))
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@ -78,32 +79,23 @@ struct app
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bool running;
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bool reinit;
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LGThread * lgmpThread;
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LGTimer * lgmpTimer;
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LGThread * frameThread;
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};
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static struct app app;
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static int lgmpThread(void * opaque)
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static bool lgmpTimer(void * opaque)
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{
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LGMP_STATUS status;
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while(app.running)
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if ((status = lgmpHostProcess(app.lgmp)) != LGMP_OK)
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{
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if ((status = lgmpHostProcess(app.lgmp)) != LGMP_OK)
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{
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DEBUG_ERROR("lgmpHostProcess Failed: %s", lgmpStatusString(status));
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break;
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}
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/*
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* do not decrease this value too far, see:
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* https://lists.gnu.org/archive/html/qemu-devel/2020-01/msg06331.html
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*/
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usleep(100 * 1000);
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DEBUG_ERROR("lgmpHostProcess Failed: %s", lgmpStatusString(status));
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app.running = false;
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return false;
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}
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app.running = false;
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return 0;
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return true;
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}
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static int frameThread(void * opaque)
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@ -210,9 +202,9 @@ static int frameThread(void * opaque)
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bool startThreads()
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{
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app.running = true;
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if (!lgCreateThread("LGMPThread", lgmpThread, NULL, &app.lgmpThread))
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if (!lgCreateTimer(100, lgmpTimer, NULL, &app.lgmpTimer))
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{
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DEBUG_ERROR("Failed to create the LGMP thread");
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DEBUG_ERROR("Failed to create the LGMP timer");
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return false;
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}
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@ -239,12 +231,11 @@ bool stopThreads()
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}
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app.frameThread = NULL;
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if (app.lgmpThread && !lgJoinThread(app.lgmpThread, NULL))
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if (app.lgmpTimer)
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{
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DEBUG_WARN("Failed to join the LGMP thread");
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ok = false;
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lgTimerDestroy(app.lgmpTimer);
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app.lgmpTimer = NULL;
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}
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app.lgmpThread = NULL;
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return ok;
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}
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@ -20,6 +20,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#if defined(_WIN32)
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#include <windows.h>
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@ -28,6 +29,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
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#include <stdint.h>
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#endif
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typedef struct LGTimer LGTimer;
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static inline uint64_t microtime()
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{
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#if defined(_WIN32)
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@ -64,3 +67,10 @@ static inline void nsleep(uint64_t ns)
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nanosleep(&ts, NULL);
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}
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#endif
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typedef bool (*LGTimerFn)(void * udata);
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bool lgCreateTimer(const unsigned int intervalMS, LGTimerFn fn,
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void * udata, LGTimer ** result);
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void lgTimerDestroy(LGTimer * timer);
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@ -12,6 +12,7 @@ add_library(lg_common_platform_code STATIC
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event.c
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windebug.c
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ivshmem.c
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time.c
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)
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target_link_libraries(lg_common_platform_code
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72
common/src/platform/windows/time.c
Normal file
72
common/src/platform/windows/time.c
Normal file
@ -0,0 +1,72 @@
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/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2020 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "common/time.h"
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#include "common/debug.h"
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// decared by the platform
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extern HWND MessageHWND;
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struct LGTimer
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{
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LGTimerFn fn;
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void * udata;
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UINT_PTR handle;
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bool running;
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};
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static void TimerProc(HWND Arg1, UINT Arg2, UINT_PTR Arg3, DWORD Arg4)
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{
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LGTimer * timer = (LGTimer *)Arg3;
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if (!timer->fn(timer->udata))
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{
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KillTimer(Arg1, timer->handle);
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timer->running = false;
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}
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}
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bool lgCreateTimer(const unsigned int intervalMS, LGTimerFn fn,
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void * udata, LGTimer ** result)
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{
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LGTimer * ret = malloc(sizeof(LGTimer));
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if (!ret)
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{
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DEBUG_ERROR("failed to malloc LGTimer struct");
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return false;
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}
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ret->fn = fn;
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ret->udata = udata;
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ret->running = true;
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ret->handle = SetTimer(MessageHWND, (UINT_PTR)ret, intervalMS, TimerProc);
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*result = ret;
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return true;
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}
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void lgTimerDestroy(LGTimer * timer)
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{
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if (timer->running)
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{
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if (!KillTimer(MessageHWND, timer->handle))
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DEBUG_ERROR("failed to destroy the timer");
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}
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free(timer);
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}
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