freerdp: merge with master

This commit is contained in:
Marc-André Moreau
2013-08-07 15:48:57 -04:00
19 changed files with 612 additions and 65 deletions

View File

@@ -227,6 +227,8 @@ RFX_CONTEXT* rfx_context_new(void)
if (context->priv->MaxThreadCount)
SetThreadpoolThreadMaximum(context->priv->ThreadPool, context->priv->MaxThreadCount);
context->priv->EncoderStreamPool = StreamPool_New(TRUE, 64*64*3+19);
}
/* initialize the default pixel format */
@@ -261,6 +263,7 @@ void rfx_context_free(RFX_CONTEXT* context)
{
CloseThreadpool(context->priv->ThreadPool);
DestroyThreadpoolEnvironment(&context->priv->ThreadPoolEnv);
StreamPool_Free(context->priv->EncoderStreamPool);
#ifdef WITH_PROFILER
fprintf(stderr, "\nWARNING: Profiling results probably unusable with multithreaded RemoteFX codec!\n");
#endif
@@ -582,17 +585,17 @@ static BOOL rfx_process_message_tile(RFX_CONTEXT* context, RFX_TILE* tile, wStre
tile->data, 64 * 4);
}
struct _RFX_TILE_WORK_PARAM
struct _RFX_TILE_PROCESS_WORK_PARAM
{
wStream s;
RFX_TILE* tile;
RFX_CONTEXT* context;
};
typedef struct _RFX_TILE_WORK_PARAM RFX_TILE_WORK_PARAM;
typedef struct _RFX_TILE_PROCESS_WORK_PARAM RFX_TILE_PROCESS_WORK_PARAM;
void CALLBACK rfx_process_message_tile_work_callback(PTP_CALLBACK_INSTANCE instance, void* context, PTP_WORK work)
{
RFX_TILE_WORK_PARAM* param = (RFX_TILE_WORK_PARAM*) context;
RFX_TILE_PROCESS_WORK_PARAM* param = (RFX_TILE_PROCESS_WORK_PARAM*) context;
rfx_process_message_tile(param->context, param->tile, &(param->s));
}
@@ -607,7 +610,7 @@ static BOOL rfx_process_message_tileset(RFX_CONTEXT* context, RFX_MESSAGE* messa
UINT32 blockType;
UINT32 tilesDataSize;
PTP_WORK* work_objects = NULL;
RFX_TILE_WORK_PARAM* params = NULL;
RFX_TILE_PROCESS_WORK_PARAM* params = NULL;
if (Stream_GetRemainingLength(s) < 14)
{
@@ -691,7 +694,7 @@ static BOOL rfx_process_message_tileset(RFX_CONTEXT* context, RFX_MESSAGE* messa
if (context->priv->UseThreads)
{
work_objects = (PTP_WORK*) malloc(sizeof(PTP_WORK) * message->num_tiles);
params = (RFX_TILE_WORK_PARAM*) malloc(sizeof(RFX_TILE_WORK_PARAM) * message->num_tiles);
params = (RFX_TILE_PROCESS_WORK_PARAM*) malloc(sizeof(RFX_TILE_PROCESS_WORK_PARAM) * message->num_tiles);
}
/* tiles */
@@ -1043,6 +1046,33 @@ static void rfx_compose_message_tile(RFX_CONTEXT* context, wStream* s,
Stream_SetPosition(s, end_pos);
}
struct _RFX_TILE_COMPOSE_WORK_PARAM
{
RFX_CONTEXT* context;
wStream *s;
BYTE* tile_data;
int tile_width;
int tile_height;
int rowstride;
UINT32* quantVals;
int quantIdxY;
int quantIdxCb;
int quantIdxCr;
int xIdx;
int yIdx;
};
typedef struct _RFX_TILE_COMPOSE_WORK_PARAM RFX_TILE_COMPOSE_WORK_PARAM;
void CALLBACK rfx_compose_message_tile_work_callback(PTP_CALLBACK_INSTANCE instance, void* context, PTP_WORK work)
{
RFX_TILE_COMPOSE_WORK_PARAM* param = (RFX_TILE_COMPOSE_WORK_PARAM*) context;
rfx_compose_message_tile(param->context, param->s,
param->tile_data, param->tile_width, param->tile_height, param->rowstride,
param->quantVals, param->quantIdxY, param->quantIdxCb, param->quantIdxCr, param->xIdx, param->yIdx);
}
static void rfx_compose_message_tileset(RFX_CONTEXT* context, wStream* s,
BYTE* image_data, int width, int height, int rowstride)
{
@@ -1061,6 +1091,11 @@ static void rfx_compose_message_tileset(RFX_CONTEXT* context, wStream* s,
int xIdx;
int yIdx;
int tilesDataSize;
BYTE* tileData;
int tileWidth;
int tileHeight;
PTP_WORK* work_objects = NULL;
RFX_TILE_COMPOSE_WORK_PARAM* params = NULL;
if (context->num_quants == 0)
{
@@ -1109,17 +1144,64 @@ static void rfx_compose_message_tileset(RFX_CONTEXT* context, wStream* s,
DEBUG_RFX("width:%d height:%d rowstride:%d", width, height, rowstride);
end_pos = Stream_GetPosition(s);
if (context->priv->UseThreads)
{
work_objects = (PTP_WORK*) malloc(sizeof(PTP_WORK) * numTiles);
params = (RFX_TILE_COMPOSE_WORK_PARAM*) malloc(sizeof(RFX_TILE_COMPOSE_WORK_PARAM) * numTiles);
}
for (yIdx = 0; yIdx < numTilesY; yIdx++)
{
for (xIdx = 0; xIdx < numTilesX; xIdx++)
{
rfx_compose_message_tile(context, s,
image_data + yIdx * 64 * rowstride + xIdx * 8 * context->bits_per_pixel,
(xIdx < numTilesX - 1) ? 64 : width - xIdx * 64,
(yIdx < numTilesY - 1) ? 64 : height - yIdx * 64,
rowstride, quantVals, quantIdxY, quantIdxCb, quantIdxCr, xIdx, yIdx);
tileData = image_data + yIdx * 64 * rowstride + xIdx * 8 * context->bits_per_pixel;
tileWidth = (xIdx < numTilesX - 1) ? 64 : width - xIdx * 64;
tileHeight = (yIdx < numTilesY - 1) ? 64 : height - yIdx * 64;
if (context->priv->UseThreads)
{
i = yIdx * numTilesX + xIdx;
params[i].context = context;
params[i].s = StreamPool_Take(context->priv->EncoderStreamPool, 0);
params[i].tile_data = tileData;
params[i].tile_width = tileWidth;
params[i].tile_height = tileHeight;
params[i].rowstride = rowstride;
params[i].quantVals = (UINT32*)quantVals;
params[i].quantIdxY = quantIdxY;
params[i].quantIdxCb = quantIdxCb;
params[i].quantIdxCr = quantIdxCr;
params[i].xIdx = xIdx;
params[i].yIdx = yIdx;
work_objects[i] = CreateThreadpoolWork((PTP_WORK_CALLBACK) rfx_compose_message_tile_work_callback,
(void*) &params[i], &context->priv->ThreadPoolEnv);
SubmitThreadpoolWork(work_objects[i]);
}
else
{
rfx_compose_message_tile(context, s, tileData, tileWidth, tileHeight,
rowstride, quantVals, quantIdxY, quantIdxCb, quantIdxCr, xIdx, yIdx);
}
}
}
if (context->priv->UseThreads)
{
for (i = 0; i < numTiles; i++)
{
WaitForThreadpoolWorkCallbacks(work_objects[i], FALSE);
CloseThreadpoolWork(work_objects[i]);
Stream_Write(s, Stream_Buffer(params[i].s), Stream_GetPosition(params[i].s));
StreamPool_Return(context->priv->EncoderStreamPool, params[i].s);
}
free(work_objects);
free(params);
}
tilesDataSize = Stream_GetPosition(s) - end_pos;
size += tilesDataSize;
end_pos = Stream_GetPosition(s);

View File

@@ -49,6 +49,7 @@ struct _RFX_CONTEXT_PRIV
TP_CALLBACK_ENVIRON ThreadPoolEnv;
wBufferPool* BufferPool;
wStreamPool* EncoderStreamPool;
/* profilers */
PROFILER_DEFINE(prof_rfx_decode_rgb);

View File

@@ -856,6 +856,8 @@ BOOL fastpath_send_update_pdu(rdpFastPath* fastpath, BYTE updateCode, wStream* s
comp_flags = FASTPATH_OUTPUT_COMPRESSION_USED;
header_bytes = 7 + sec_bytes;
bm = (BYTE*) (rdp->mppc_enc->outputBuffer - header_bytes);
if (comp_update)
Stream_Free(comp_update, FALSE);
comp_update = Stream_New(bm, pdu_data_bytes + header_bytes);
ls = comp_update;
}
@@ -902,6 +904,8 @@ BOOL fastpath_send_update_pdu(rdpFastPath* fastpath, BYTE updateCode, wStream* s
Stream_Write_UINT16(ls, pdu_data_bytes);
if (update)
Stream_Free(update, FALSE);
update = Stream_New(bm, pduLength);
Stream_Seek(update, pduLength);

View File

@@ -139,14 +139,22 @@ typedef RTL_CONDITION_VARIABLE CONDITION_VARIABLE, *PCONDITION_VARIABLE;
/* Critical Section */
#if defined(__linux__)
/**
* Linux NPTL thread synchronization primitives are implemented using
* the futex system calls ... we can't beat futex with a spin loop.
*/
#define WINPR_CRITICAL_SECTION_DISABLE_SPINCOUNT
#endif
typedef struct _RTL_CRITICAL_SECTION
{
void* DebugInfo;
PVOID DebugInfo;
LONG LockCount;
LONG RecursionCount;
PVOID OwningThread;
PVOID LockSemaphore;
ULONG SpinCount;
HANDLE OwningThread;
HANDLE LockSemaphore;
ULONG_PTR SpinCount;
} RTL_CRITICAL_SECTION, *PRTL_CRITICAL_SECTION;
typedef RTL_CRITICAL_SECTION CRITICAL_SECTION;

View File

@@ -34,7 +34,7 @@ set_target_properties(${MODULE_NAME} PROPERTIES VERSION ${WINPR_VERSION_FULL} SO
set_complex_link_libraries(VARIABLE ${MODULE_PREFIX}_LIBS
MONOLITHIC ${MONOLITHIC_BUILD} INTERNAL
MODULE winpr
MODULES winpr-crt winpr-handle winpr-synch)
MODULES winpr-crt winpr-handle)
if(MONOLITHIC_BUILD)

View File

@@ -53,7 +53,7 @@ endif()
set_complex_link_libraries(VARIABLE ${MODULE_PREFIX}_LIBS
MONOLITHIC ${MONOLITHIC_BUILD} INTERNAL
MODULE winpr
MODULES winpr-handle)
MODULES winpr-handle winpr-interlocked winpr-thread)
if(MONOLITHIC_BUILD)
set(WINPR_LIBS ${WINPR_LIBS} ${${MODULE_PREFIX}_LIBS} PARENT_SCOPE)

View File

@@ -3,6 +3,7 @@
* Synchronization Functions
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2013 Norbert Federa <norbert.federa@thinstuff.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -22,6 +23,9 @@
#endif
#include <winpr/synch.h>
#include <winpr/sysinfo.h>
#include <winpr/interlocked.h>
#include <winpr/thread.h>
#include "synch.h"
@@ -31,84 +35,201 @@
#ifndef _WIN32
/**
* TODO: EnterCriticalSection allows recursive calls from the same thread.
* Implement this using pthreads (see PTHREAD_MUTEX_RECURSIVE_NP)
* http://msdn.microsoft.com/en-us/library/windows/desktop/ms682608%28v=vs.85%29.aspx
*/
VOID InitializeCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{
if (lpCriticalSection)
{
lpCriticalSection->DebugInfo = NULL;
lpCriticalSection->LockCount = 0;
lpCriticalSection->RecursionCount = 0;
lpCriticalSection->SpinCount = 0;
lpCriticalSection->OwningThread = NULL;
lpCriticalSection->LockSemaphore = NULL;
lpCriticalSection->LockSemaphore = malloc(sizeof(pthread_mutex_t));
pthread_mutex_init(lpCriticalSection->LockSemaphore, NULL);
}
InitializeCriticalSectionEx(lpCriticalSection, 0, 0);
}
BOOL InitializeCriticalSectionEx(LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount, DWORD Flags)
{
/**
* See http://msdn.microsoft.com/en-us/library/ff541979(v=vs.85).aspx
* - The LockCount field indicates the number of times that any thread has
* called the EnterCriticalSection routine for this critical section,
* minus one. This field starts at -1 for an unlocked critical section.
* Each call of EnterCriticalSection increments this value; each call of
* LeaveCriticalSection decrements it.
* - The RecursionCount field indicates the number of times that the owning
* thread has called EnterCriticalSection for this critical section.
*/
if (Flags != 0) {
fprintf(stderr, "warning: InitializeCriticalSectionEx Flags unimplemented\n");
}
return InitializeCriticalSectionAndSpinCount(lpCriticalSection, dwSpinCount);
lpCriticalSection->DebugInfo = NULL;
lpCriticalSection->LockCount = -1;
lpCriticalSection->SpinCount = 0;
lpCriticalSection->RecursionCount = 0;
lpCriticalSection->OwningThread = NULL;
lpCriticalSection->LockSemaphore = (winpr_sem_t*) malloc(sizeof(winpr_sem_t));
#if defined(__APPLE__)
semaphore_create(mach_task_self(), lpCriticalSection->LockSemaphore, SYNC_POLICY_FIFO, 0);
#else
sem_init(lpCriticalSection->LockSemaphore, 0, 0);
#endif
SetCriticalSectionSpinCount(lpCriticalSection, dwSpinCount);
return TRUE;
}
BOOL InitializeCriticalSectionAndSpinCount(LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount)
{
InitializeCriticalSection(lpCriticalSection);
SetCriticalSectionSpinCount(lpCriticalSection, dwSpinCount);
return TRUE;
return InitializeCriticalSectionEx(lpCriticalSection, dwSpinCount, 0);
}
DWORD SetCriticalSectionSpinCount(LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount)
{
#if !defined(WINPR_CRITICAL_SECTION_DISABLE_SPINCOUNT)
SYSTEM_INFO sysinfo;
DWORD dwPreviousSpinCount = lpCriticalSection->SpinCount;
if (dwSpinCount)
{
/* Don't spin on uniprocessor systems! */
GetNativeSystemInfo(&sysinfo);
if (sysinfo.dwNumberOfProcessors < 2)
dwSpinCount = 0;
}
lpCriticalSection->SpinCount = dwSpinCount;
return dwPreviousSpinCount;
#else
return 0;
#endif
}
VOID _WaitForCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{
#if defined(__APPLE__)
semaphore_wait(*((winpr_sem_t*) lpCriticalSection->LockSemaphore));
#else
sem_wait((winpr_sem_t*) lpCriticalSection->LockSemaphore);
#endif
}
VOID _UnWaitCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{
#if defined __APPLE__
semaphore_signal(*((winpr_sem_t*) lpCriticalSection->LockSemaphore));
#else
sem_post((winpr_sem_t*) lpCriticalSection->LockSemaphore);
#endif
}
VOID EnterCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{
/**
* Linux NPTL thread synchronization primitives are implemented using
* the futex system calls ... no need for performing a trylock loop.
*/
#if !defined(__linux__)
ULONG spin = lpCriticalSection->SpinCount;
while (spin--)
#if !defined(WINPR_CRITICAL_SECTION_DISABLE_SPINCOUNT)
ULONG SpinCount = lpCriticalSection->SpinCount;
/* If we're lucky or if the current thread is already owner we can return early */
if (SpinCount && TryEnterCriticalSection(lpCriticalSection))
return;
/* Spin requested times but don't compete with another waiting thread */
while (SpinCount-- && lpCriticalSection->LockCount < 1)
{
if (pthread_mutex_trylock((pthread_mutex_t*)lpCriticalSection->LockSemaphore) == 0)
/* Atomically try to acquire and check the if the section is free. */
if (InterlockedCompareExchange(&lpCriticalSection->LockCount, 0, -1) == -1)
{
lpCriticalSection->RecursionCount = 1;
lpCriticalSection->OwningThread = (HANDLE)GetCurrentThreadId();
return;
pthread_yield();
}
/* Failed to get the lock. Let the scheduler know that we're spinning. */
if (sched_yield()!=0)
{
/**
* On some operating systems sched_yield is a stub.
* usleep should at least trigger a context switch if any thread is waiting.
* A ThreadYield() would be nice in winpr ...
*/
usleep(1);
}
}
#endif
pthread_mutex_lock((pthread_mutex_t*)lpCriticalSection->LockSemaphore);
/* First try the fastest posssible path to get the lock. */
if (InterlockedIncrement(&lpCriticalSection->LockCount))
{
/* Section is already locked. Check if it is owned by the current thread. */
if (lpCriticalSection->OwningThread == (HANDLE)GetCurrentThreadId())
{
/* Recursion. No need to wait. */
lpCriticalSection->RecursionCount++;
return;
}
/* Section is locked by another thread. We have to wait. */
_WaitForCriticalSection(lpCriticalSection);
}
/* We got the lock. Own it ... */
lpCriticalSection->RecursionCount = 1;
lpCriticalSection->OwningThread = (HANDLE)GetCurrentThreadId();
}
BOOL TryEnterCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{
return (pthread_mutex_trylock((pthread_mutex_t*)lpCriticalSection->LockSemaphore) == 0 ? TRUE : FALSE);
HANDLE current_thread = (HANDLE)GetCurrentThreadId();
/* Atomically acquire the the lock if the section is free. */
if (InterlockedCompareExchange(&lpCriticalSection->LockCount, 0, -1 ) == -1)
{
lpCriticalSection->RecursionCount = 1;
lpCriticalSection->OwningThread = current_thread;
return TRUE;
}
/* Section is already locked. Check if it is owned by the current thread. */
if (lpCriticalSection->OwningThread == current_thread)
{
/* Recursion, return success */
lpCriticalSection->RecursionCount++;
InterlockedIncrement(&lpCriticalSection->LockCount);
return TRUE;
}
return FALSE;
}
VOID LeaveCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{
pthread_mutex_unlock((pthread_mutex_t*)lpCriticalSection->LockSemaphore);
/* Decrement RecursionCount and check if this is the last LeaveCriticalSection call ...*/
if (--lpCriticalSection->RecursionCount < 1)
{
/* Last recursion, clear owner, unlock and if there are other waiting threads ... */
lpCriticalSection->OwningThread = NULL;
if (InterlockedDecrement(&lpCriticalSection->LockCount) >= 0)
{
/* ...signal the semaphore to unblock the next waiting thread */
_UnWaitCriticalSection(lpCriticalSection);
}
}
else
{
InterlockedDecrement(&lpCriticalSection->LockCount);
}
}
VOID DeleteCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{
pthread_mutex_destroy((pthread_mutex_t*)lpCriticalSection->LockSemaphore);
free(lpCriticalSection->LockSemaphore);
lpCriticalSection->LockCount = -1;
lpCriticalSection->SpinCount = 0;
lpCriticalSection->RecursionCount = 0;
lpCriticalSection->OwningThread = NULL;
if (lpCriticalSection->LockSemaphore != NULL)
{
#if defined __APPLE__
semaphore_destroy(mach_task_self(), *((winpr_sem_t*) lpCriticalSection->LockSemaphore));
#else
sem_destroy((winpr_sem_t*) lpCriticalSection->LockSemaphore);
#endif
free(lpCriticalSection->LockSemaphore);
lpCriticalSection->LockSemaphore = NULL;
}
}
#endif

View File

@@ -7,6 +7,7 @@ set(${MODULE_PREFIX}_DRIVER ${MODULE_NAME}.c)
set(${MODULE_PREFIX}_TESTS
TestSynchEvent.c
TestSynchMutex.c
TestSynchCritical.c
TestSynchSemaphore.c
TestSynchWaitableTimer.c)
@@ -19,7 +20,7 @@ add_executable(${MODULE_NAME} ${${MODULE_PREFIX}_SRCS})
set_complex_link_libraries(VARIABLE ${MODULE_PREFIX}_LIBS
MONOLITHIC ${MONOLITHIC_BUILD}
MODULE winpr
MODULES winpr-synch)
MODULES winpr-synch winpr-sysinfo)
target_link_libraries(${MODULE_NAME} ${${MODULE_PREFIX}_LIBS})
@@ -31,3 +32,4 @@ foreach(test ${${MODULE_PREFIX}_TESTS})
endforeach()
set_property(TARGET ${MODULE_NAME} PROPERTY FOLDER "WinPR/Test")

View File

@@ -0,0 +1,329 @@
#include <stdio.h>
#include <winpr/crt.h>
#include <winpr/windows.h>
#include <winpr/synch.h>
#include <winpr/sysinfo.h>
#include <winpr/thread.h>
#include <winpr/interlocked.h>
#define TEST_SYNC_CRITICAL_TEST1_RUNTIME_MS 500
#define TEST_SYNC_CRITICAL_TEST1_RUNS 4
CRITICAL_SECTION critical;
LONG gTestValueVulnerable = 0;
LONG gTestValueSerialized = 0;
BOOL TestSynchCritical_TriggerAndCheckRaceCondition(HANDLE OwningThread, LONG RecursionCount)
{
/* if called unprotected this will hopefully trigger a race condition ... */
gTestValueVulnerable++;
if (critical.OwningThread != OwningThread)
{
printf("CriticalSection failure: OwningThread is invalid\n");
return FALSE;
}
if (critical.RecursionCount != RecursionCount)
{
printf("CriticalSection failure: RecursionCount is invalid\n");
return FALSE;
}
/* ... which we try to detect using the serialized counter */
if (gTestValueVulnerable != InterlockedIncrement(&gTestValueSerialized))
{
printf("CriticalSection failure: Data corruption detected\n");
return FALSE;
}
return TRUE;
}
/* this thread function shall increment the global dwTestValue until the PBOOL passsed in arg is FALSE */
static PVOID TestSynchCritical_Test1(PVOID arg)
{
int i, j, rc;
HANDLE hThread = (HANDLE)GetCurrentThreadId();
PBOOL pbContinueRunning = (PBOOL)arg;
while(*pbContinueRunning)
{
EnterCriticalSection(&critical);
rc = 1;
if (!TestSynchCritical_TriggerAndCheckRaceCondition(hThread, rc))
return (PVOID)1;
/* add some random recursion level */
j = rand()%5;
for (i=0; i<j; i++)
{
if (!TestSynchCritical_TriggerAndCheckRaceCondition(hThread, rc++))
return (PVOID)2;
EnterCriticalSection(&critical);
}
for (i=0; i<j; i++)
{
if (!TestSynchCritical_TriggerAndCheckRaceCondition(hThread, rc--))
return (PVOID)2;
LeaveCriticalSection(&critical);
}
if (!TestSynchCritical_TriggerAndCheckRaceCondition(hThread, rc))
return (PVOID)3;
LeaveCriticalSection(&critical);
}
return 0;
}
/* this thread function tries to call TryEnterCriticalSection while the main thread holds the lock */
static PVOID TestSynchCritical_Test2(PVOID arg)
{
if (TryEnterCriticalSection(&critical)==TRUE)
{
LeaveCriticalSection(&critical);
return (PVOID)1;
}
return (PVOID)0;
}
static PVOID TestSynchCritical_Main(PVOID arg)
{
int i, j;
SYSTEM_INFO sysinfo;
DWORD dwPreviousSpinCount;
DWORD dwSpinCount;
DWORD dwSpinCountExpected;
HANDLE hMainThread;
HANDLE* hThreads;
HANDLE hThread;
DWORD dwThreadCount;
DWORD dwThreadExitCode;
BOOL bTest1Running;
PBOOL pbThreadTerminated = (PBOOL)arg;
GetNativeSystemInfo(&sysinfo);
hMainThread = (HANDLE)GetCurrentThreadId();
/**
* Test SpinCount in SetCriticalSectionSpinCount, InitializeCriticalSectionEx and InitializeCriticalSectionAndSpinCount
* SpinCount must be forced to be zero on on uniprocessor systems and on systems
* where WINPR_CRITICAL_SECTION_DISABLE_SPINCOUNT is defined
*/
dwSpinCount = 100;
InitializeCriticalSectionEx(&critical, dwSpinCount, 0);
while(--dwSpinCount)
{
dwPreviousSpinCount = SetCriticalSectionSpinCount(&critical, dwSpinCount);
dwSpinCountExpected = 0;
#if !defined(WINPR_CRITICAL_SECTION_DISABLE_SPINCOUNT)
if (sysinfo.dwNumberOfProcessors > 1)
dwSpinCountExpected = dwSpinCount+1;
#endif
if (dwPreviousSpinCount != dwSpinCountExpected)
{
printf("CriticalSection failure: SetCriticalSectionSpinCount returned %lu (expected: %lu)\n", dwPreviousSpinCount, dwSpinCountExpected);
goto fail;
}
DeleteCriticalSection(&critical);
if (dwSpinCount%2==0)
InitializeCriticalSectionAndSpinCount(&critical, dwSpinCount);
else
InitializeCriticalSectionEx(&critical, dwSpinCount, 0);
}
DeleteCriticalSection(&critical);
/**
* Test single-threaded recursive TryEnterCriticalSection/EnterCriticalSection/LeaveCriticalSection
*
*/
InitializeCriticalSection(&critical);
for (i=0; i<1000; i++)
{
if (critical.RecursionCount != i)
{
printf("CriticalSection failure: RecursionCount field is %ld instead of %d.\n", critical.RecursionCount, i);
goto fail;
}
if (i%2==0)
{
EnterCriticalSection(&critical);
}
else
{
if (TryEnterCriticalSection(&critical) == FALSE)
{
printf("CriticalSection failure: TryEnterCriticalSection failed where it should not.\n");
goto fail;
}
}
if (critical.OwningThread != hMainThread)
{
printf("CriticalSection failure: Could not verify section ownership (loop index=%d).\n", i);
goto fail;
}
}
while (--i >= 0)
{
LeaveCriticalSection(&critical);
if (critical.RecursionCount != i)
{
printf("CriticalSection failure: RecursionCount field is %ld instead of %d.\n", critical.RecursionCount, i);
goto fail;
}
if (critical.OwningThread != (HANDLE)(i ? hMainThread : NULL))
{
printf("CriticalSection failure: Could not verify section ownership (loop index=%d).\n", i);
goto fail;
}
}
DeleteCriticalSection(&critical);
/**
* Test using multiple threads modifying the same value
*/
dwThreadCount = sysinfo.dwNumberOfProcessors > 1 ? sysinfo.dwNumberOfProcessors : 2;
hThreads = (HANDLE*)calloc(dwThreadCount, sizeof(HANDLE));
for (j=0; j < TEST_SYNC_CRITICAL_TEST1_RUNS; j++)
{
dwSpinCount = j * 1000;
InitializeCriticalSectionAndSpinCount(&critical, dwSpinCount);
gTestValueVulnerable = 0;
gTestValueSerialized = 0;
/* the TestSynchCritical_Test1 threads shall run until bTest1Running is FALSE */
bTest1Running = TRUE;
for (i=0; i<dwThreadCount; i++) {
hThreads[i] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) TestSynchCritical_Test1, &bTest1Running, 0, NULL);
}
/* let it run for TEST_SYNC_CRITICAL_TEST1_RUNTIME_MS ... */
Sleep(TEST_SYNC_CRITICAL_TEST1_RUNTIME_MS);
bTest1Running = FALSE;
for (i=0; i<dwThreadCount; i++)
{
if (WaitForSingleObject(hThreads[i], INFINITE) != WAIT_OBJECT_0)
{
printf("CriticalSection failure: Failed to wait for thread #%d\n", i);
goto fail;
}
GetExitCodeThread(hThreads[i], &dwThreadExitCode);
if(dwThreadExitCode != 0)
{
printf("CriticalSection failure: Thread #%d returned error code %lu\n", i, dwThreadExitCode);
goto fail;
}
CloseHandle(hThreads[i]);
}
if (gTestValueVulnerable != gTestValueSerialized)
{
printf("CriticalSection failure: unexpected test value %ld (expected %ld)\n", gTestValueVulnerable, gTestValueSerialized);
goto fail;
}
DeleteCriticalSection(&critical);
}
free(hThreads);
/**
* TryEnterCriticalSection in thread must fail if we hold the lock in the main thread
*/
InitializeCriticalSection(&critical);
if (TryEnterCriticalSection(&critical) == FALSE)
{
printf("CriticalSection failure: TryEnterCriticalSection unexpectedly failed.\n");
goto fail;
}
/* This thread tries to call TryEnterCriticalSection which must fail */
hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) TestSynchCritical_Test2, NULL, 0, NULL);
if (WaitForSingleObject(hThread, INFINITE) != WAIT_OBJECT_0)
{
printf("CriticalSection failure: Failed to wait for thread\n");
goto fail;
}
GetExitCodeThread(hThread, &dwThreadExitCode);
if(dwThreadExitCode != 0)
{
printf("CriticalSection failure: Thread returned error code %lu\n", dwThreadExitCode);
goto fail;
}
CloseHandle(hThread);
*pbThreadTerminated = TRUE; /* requ. for winpr issue, see below */
return (PVOID)0;
fail:
*pbThreadTerminated = TRUE; /* requ. for winpr issue, see below */
return (PVOID)1;
}
int TestSynchCritical(int argc, char* argv[])
{
BOOL bThreadTerminated = FALSE;
HANDLE hThread;
DWORD dwThreadExitCode;
DWORD dwDeadLockDetectionTimeMs;
int i;
dwDeadLockDetectionTimeMs = 2 * TEST_SYNC_CRITICAL_TEST1_RUNTIME_MS * TEST_SYNC_CRITICAL_TEST1_RUNS;
printf("Deadlock will be assumed after %lu ms.\n", dwDeadLockDetectionTimeMs);
hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) TestSynchCritical_Main, &bThreadTerminated, 0, NULL);
/**
* We have to be able to detect dead locks in this test.
* At the time of writing winpr's WaitForSingleObject has not implemented timeout for thread wait
*
* Workaround checking the value of bThreadTerminated which is passed in the thread arg
*/
for (i=0; i<dwDeadLockDetectionTimeMs; i+=100)
{
if (bThreadTerminated)
break;
Sleep(100);
}
if (!bThreadTerminated)
{
printf("CriticalSection failure: Possible dead lock detected\n");
return -1;
}
GetExitCodeThread(hThread, &dwThreadExitCode);
CloseHandle(hThread);
if(dwThreadExitCode != 0)
{
return -1;
}
return 0;
}

View File

@@ -390,7 +390,7 @@ wArrayList* ArrayList_New(BOOL synchronized)
arrayList->array = (void**) malloc(sizeof(void*) * arrayList->capacity);
InitializeCriticalSection(&arrayList->lock);
InitializeCriticalSectionAndSpinCount(&arrayList->lock, 4000);
ZeroMemory(&arrayList->object, sizeof(wObject));
}

View File

@@ -134,7 +134,7 @@ wBufferPool* BufferPool_New(BOOL synchronized, int fixedSize, DWORD alignment)
pool->synchronized = synchronized;
if (pool->synchronized)
InitializeCriticalSection(&pool->lock);
InitializeCriticalSectionAndSpinCount(&pool->lock, 4000);
if (!pool->fixedSize)
{

View File

@@ -158,7 +158,7 @@ wCountdownEvent* CountdownEvent_New(DWORD initialCount)
{
countdown->count = initialCount;
countdown->initialCount = initialCount;
InitializeCriticalSection(&countdown->lock);
InitializeCriticalSectionAndSpinCount(&countdown->lock, 4000);
countdown->event = CreateEvent(NULL, TRUE, FALSE, NULL);
if (countdown->count == 0)

View File

@@ -194,7 +194,7 @@ wMessageQueue* MessageQueue_New()
queue->array = (wMessage*) malloc(sizeof(wMessage) * queue->capacity);
ZeroMemory(queue->array, sizeof(wMessage) * queue->capacity);
InitializeCriticalSection(&queue->lock);
InitializeCriticalSectionAndSpinCount(&queue->lock, 4000);
queue->event = CreateEvent(NULL, TRUE, FALSE, NULL);
}

View File

@@ -119,7 +119,7 @@ wObjectPool* ObjectPool_New(BOOL synchronized)
pool->synchronized = synchronized;
if (pool->synchronized)
InitializeCriticalSection(&pool->lock);
InitializeCriticalSectionAndSpinCount(&pool->lock, 4000);
pool->size = 0;
pool->capacity = 32;

View File

@@ -202,7 +202,7 @@ wPubSub* PubSub_New(BOOL synchronized)
pubSub->synchronized = synchronized;
if (pubSub->synchronized)
InitializeCriticalSection(&pubSub->lock);
InitializeCriticalSectionAndSpinCount(&pubSub->lock, 4000);
pubSub->count = 0;
pubSub->size = 64;

View File

@@ -243,7 +243,7 @@ wQueue* Queue_New(BOOL synchronized, int capacity, int growthFactor)
queue->array = (void**) malloc(sizeof(void*) * queue->capacity);
ZeroMemory(queue->array, sizeof(void*) * queue->capacity);
InitializeCriticalSection(&queue->lock);
InitializeCriticalSectionAndSpinCount(&queue->lock, 4000);
queue->event = CreateEvent(NULL, TRUE, FALSE, NULL);
ZeroMemory(&queue->object, sizeof(wObject));

View File

@@ -154,7 +154,7 @@ wReferenceTable* ReferenceTable_New(BOOL synchronized, void* context, REFERENCE_
ZeroMemory(referenceTable->array, sizeof(wReference) * referenceTable->size);
referenceTable->synchronized = synchronized;
InitializeCriticalSection(&referenceTable->lock);
InitializeCriticalSectionAndSpinCount(&referenceTable->lock, 4000);
}
return referenceTable;

View File

@@ -153,7 +153,7 @@ wStack* Stack_New(BOOL synchronized)
stack->synchronized = synchronized;
if (stack->synchronized)
InitializeCriticalSection(&stack->lock);
InitializeCriticalSectionAndSpinCount(&stack->lock, 4000);
stack->size = 0;
stack->capacity = 32;

View File

@@ -323,7 +323,7 @@ wStreamPool* StreamPool_New(BOOL synchronized, size_t defaultSize)
pool->synchronized = synchronized;
pool->defaultSize = defaultSize;
InitializeCriticalSection(&pool->lock);
InitializeCriticalSectionAndSpinCount(&pool->lock, 4000);
pool->aSize = 0;
pool->aCapacity = 32;