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cmake: add DllMain() into each OpenCV DLL

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to detect process termination after ExitProcess() call
This commit is contained in:
Alexander Alekhin 2018-10-10 13:53:46 +03:00
parent ad93ed720d
commit 70f2ee917e
3 changed files with 47 additions and 2 deletions
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8
cmake/OpenCVModule.cmake
View File

@ -909,6 +909,13 @@ macro(_ocv_create_module)
source_group("Src" FILES "${_VS_VERSION_FILE}")
endif()
endif()
if(WIN32 AND NOT ("${the_module}" STREQUAL "opencv_core" OR "${the_module}" STREQUAL "opencv_world")
AND (BUILD_SHARED_LIBS AND NOT "x${OPENCV_MODULE_TYPE}" STREQUAL "xSTATIC")
AND NOT OPENCV_SKIP_DLLMAIN_GENERATION
)
set(_DLLMAIN_FILE "${CMAKE_CURRENT_BINARY_DIR}/${the_module}_main.cpp")
configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/dllmain.cpp.in" "${_DLLMAIN_FILE}" @ONLY)
endif()
source_group("Include" FILES "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/opencv_modules.hpp")
source_group("Src" FILES "${${the_module}_pch}")
@ -918,6 +925,7 @@ macro(_ocv_create_module)
"${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/opencv_modules.hpp"
${${the_module}_pch}
${_VS_VERSION_FILE}
${_DLLMAIN_FILE}
)
set_target_properties(${the_module} PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};Module")
set_source_files_properties(${OPENCV_MODULE_${the_module}_HEADERS} ${OPENCV_MODULE_${the_module}_SOURCES} ${${the_module}_pch}

36
cmake/templates/dllmain.cpp.in Normal file
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@ -0,0 +1,36 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#ifndef _WIN32
#error "Build configuration error"
#endif
#ifndef CVAPI_EXPORTS
#error "Build configuration error"
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#define OPENCV_MODULE_S "@the_module@"
namespace cv {
extern __declspec(dllimport) bool __termination; // Details: #12750
}
extern "C"
BOOL WINAPI DllMain(HINSTANCE, DWORD fdwReason, LPVOID lpReserved);
extern "C"
BOOL WINAPI DllMain(HINSTANCE, DWORD fdwReason, LPVOID lpReserved)
{
if (fdwReason == DLL_THREAD_DETACH || fdwReason == DLL_PROCESS_DETACH)
{
if (lpReserved != NULL) // called after ExitProcess() call
{
//printf("OpenCV: terminating: " OPENCV_MODULE_S "\n");
cv::__termination = true;
}
}
return TRUE;
}

5
modules/core/src/precomp.hpp
View File

@ -308,8 +308,9 @@ TLSData<CoreTLSData>& getCoreTlsData();
#define CL_RUNTIME_EXPORT
#endif
extern bool __termination; // skip some cleanups, because process is terminating
// (for example, if ExitProcess() was already called)
extern CV_EXPORTS
bool __termination; // skip some cleanups, because process is terminating
// (for example, if ExitProcess() was already called)
cv::Mutex& getInitializationMutex();