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[common/c-host] move agnostic code into common library

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This commit is contained in:
Geoffrey McRae
2020-01-02 22:21:42 +11:00
parent 491ffc3576
commit 0c6ff6822d
26 changed files with 502 additions and 378 deletions
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2
c-host/platform/Windows/src/mousehook.c
View File

@@ -18,7 +18,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "windows/mousehook.h"
#include "windows/debug.h"
#include "common/windebug.h"
#include "platform.h"
#include <windows.h>

278
c-host/platform/Windows/src/platform.c
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@@ -1,6 +1,6 @@
/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
Copyright (C) 2017-2020 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
@@ -18,7 +18,6 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "platform.h"
#include "windows/platform.h"
#include "windows/mousehook.h"
#include <windows.h>
@@ -29,9 +28,10 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "interface/platform.h"
#include "common/debug.h"
#include "common/windebug.h"
#include "common/option.h"
#include "common/locking.h"
#include "windows/debug.h"
#include "common/thread.h"
#include "ivshmem.h"
#define ID_MENU_OPEN_LOG 3000
@@ -60,27 +60,6 @@ static struct AppState app =
.shmemMap = {0}
};
struct osThreadHandle
{
const char * name;
osThreadFunction function;
void * opaque;
HANDLE handle;
DWORD threadID;
int resultCode;
};
struct osEventHandle
{
volatile int lock;
bool reset;
HANDLE handle;
bool wrapped;
unsigned int msSpinTime;
volatile bool signaled;
};
// undocumented API to adjust the system timer resolution (yes, its a nasty hack)
typedef NTSTATUS (__stdcall *ZwSetTimerResolution_t)(ULONG RequestedResolution, BOOLEAN Set, PULONG ActualResolution);
static ZwSetTimerResolution_t ZwSetTimerResolution = NULL;
@@ -261,8 +240,8 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
AppendMenu(app.trayMenu, MF_STRING , ID_MENU_EXIT , "Exit" );
// create the application thread
osThreadHandle * thread;
if (!os_createThread("appThread", appThread, NULL, &thread))
LGThread * thread;
if (!lgCreateThread("appThread", appThread, NULL, &thread))
{
DEBUG_ERROR("Failed to create the main application thread");
result = -1;
@@ -292,7 +271,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
shutdown:
DestroyMenu(app.trayMenu);
app_quit();
if (!os_joinThread(thread, &result))
if (!lgJoinThread(thread, &result))
{
DEBUG_ERROR("Failed to join the main application thread");
result = -1;
@@ -444,249 +423,4 @@ void os_shmemUnmap()
DEBUG_WINERROR("DeviceIoControl failed", GetLastError());
else
app.shmemOwned = false;
}
static DWORD WINAPI threadWrapper(LPVOID lpParameter)
{
osThreadHandle * handle = (osThreadHandle *)lpParameter;
handle->resultCode = handle->function(handle->opaque);
return 0;
}
bool os_createThread(const char * name, osThreadFunction function, void * opaque, osThreadHandle ** handle)
{
*handle = (osThreadHandle *)malloc(sizeof(osThreadHandle));
(*handle)->name = name;
(*handle)->function = function;
(*handle)->opaque = opaque;
(*handle)->handle = CreateThread(NULL, 0, threadWrapper, *handle, 0, &(*handle)->threadID);
if (!(*handle)->handle)
{
free(*handle);
*handle = NULL;
DEBUG_WINERROR("CreateThread failed", GetLastError());
return false;
}
return true;
}
bool os_joinThread(osThreadHandle * handle, int * resultCode)
{
while(true)
{
switch(WaitForSingleObject(handle->handle, INFINITE))
{
case WAIT_OBJECT_0:
if (resultCode)
*resultCode = handle->resultCode;
CloseHandle(handle->handle);
free(handle);
return true;
case WAIT_ABANDONED:
case WAIT_TIMEOUT:
continue;
case WAIT_FAILED:
DEBUG_WINERROR("Wait for thread failed", GetLastError());
CloseHandle(handle->handle);
free(handle);
return false;
}
break;
}
DEBUG_WINERROR("Unknown failure waiting for thread", GetLastError());
return false;
}
osEventHandle * os_createEvent(bool autoReset, unsigned int msSpinTime)
{
osEventHandle * event = (osEventHandle *)malloc(sizeof(osEventHandle));
if (!event)
{
DEBUG_ERROR("out of ram");
return NULL;
}
event->lock = 0;
event->reset = autoReset;
event->handle = CreateEvent(NULL, autoReset ? FALSE : TRUE, FALSE, NULL);
event->wrapped = false;
event->msSpinTime = msSpinTime;
event->signaled = false;
if (!event->handle)
{
DEBUG_WINERROR("Failed to create the event", GetLastError());
free(event);
return NULL;
}
return event;
}
osEventHandle * os_wrapEvent(HANDLE handle)
{
osEventHandle * event = (osEventHandle *)malloc(sizeof(osEventHandle));
if (!event)
{
DEBUG_ERROR("out of ram");
return NULL;
}
event->lock = 0;
event->reset = false;
event->handle = handle;
event->wrapped = true;
event->msSpinTime = 0;
event->signaled = false;
return event;
}
void os_freeEvent(osEventHandle * event)
{
CloseHandle(event->handle);
}
bool os_waitEvent(osEventHandle * event, unsigned int timeout)
{
// wrapped events can't be enahnced
if (!event->wrapped)
{
if (event->signaled)
{
if (event->reset)
event->signaled = false;
return true;
}
if (timeout == 0)
{
bool ret = event->signaled;
if (event->reset)
event->signaled = false;
return ret;
}
if (event->msSpinTime)
{
unsigned int spinTime = event->msSpinTime;
if (timeout != TIMEOUT_INFINITE)
{
if (timeout > event->msSpinTime)
timeout -= event->msSpinTime;
else
{
spinTime -= timeout;
timeout = 0;
}
}
LARGE_INTEGER end, now;
QueryPerformanceCounter(&end);
end.QuadPart += (app.perfFreq.QuadPart / 1000) * spinTime;
while(!event->signaled)
{
QueryPerformanceCounter(&now);
if (now.QuadPart >= end.QuadPart)
break;
}
if (event->signaled)
{
if (event->reset)
event->signaled = false;
return true;
}
}
}
const DWORD to = (timeout == TIMEOUT_INFINITE) ? INFINITE : (DWORD)timeout;
while(true)
{
switch(WaitForSingleObject(event->handle, to))
{
case WAIT_OBJECT_0:
if (!event->reset)
event->signaled = true;
return true;
case WAIT_ABANDONED:
continue;
case WAIT_TIMEOUT:
if (timeout == TIMEOUT_INFINITE)
continue;
return false;
case WAIT_FAILED:
DEBUG_WINERROR("Wait for event failed", GetLastError());
return false;
}
DEBUG_ERROR("Unknown wait event return code");
return false;
}
}
bool os_waitEvents(osEventHandle * events[], int count, bool waitAll, unsigned int timeout)
{
const DWORD to = (timeout == TIMEOUT_INFINITE) ? INFINITE : (DWORD)timeout;
HANDLE * handles = (HANDLE *)malloc(sizeof(HANDLE) * count);
for(int i = 0; i < count; ++i)
handles[i] = events[i]->handle;
while(true)
{
DWORD result = WaitForMultipleObjects(count, handles, waitAll, to);
if (result >= WAIT_OBJECT_0 && result < count)
{
// null non signaled events from the handle list
for(int i = 0; i < count; ++i)
if (i != result && !os_waitEvent(events[i], 0))
handles[i] = NULL;
free(handles);
return true;
}
if (result >= WAIT_ABANDONED_0 && result - WAIT_ABANDONED_0 < count)
continue;
switch(result)
{
case WAIT_TIMEOUT:
if (timeout == TIMEOUT_INFINITE)
continue;
free(handles);
return false;
case WAIT_FAILED:
DEBUG_WINERROR("Wait for event failed", GetLastError());
free(handles);
return false;
}
DEBUG_ERROR("Unknown wait event return code");
free(handles);
return false;
}
}
bool os_signalEvent(osEventHandle * event)
{
event->signaled = true;
return SetEvent(event->handle);
}
bool os_resetEvent(osEventHandle * event)
{
event->signaled = false;
return ResetEvent(event->handle);
}

42
c-host/platform/Windows/src/windebug.c
View File

@@ -1,42 +0,0 @@
/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "windows/debug.h"
#include <stdio.h>
void DebugWinError(const char * file, const unsigned int line, const char * function, const char * desc, HRESULT status)
{
char *buffer;
FormatMessageA(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL,
status,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(char*)&buffer,
1024,
NULL
);
for(size_t i = strlen(buffer) - 1; i > 0; --i)
if (buffer[i] == '\n' || buffer[i] == '\r')
buffer[i] = 0;
fprintf(stderr, "[E] %20s:%-4u | %-30s | %s: 0x%08x (%s)\n", file, line, function, desc, (int)status, buffer);
LocalFree(buffer);
}