Dynamic library loading functions were added to ddsrt
ddsrt_dlopen ddsrt_dlclose ddsrt_dlsym and ddsrt_dlerror functions can be used in posix and windows platforms that support dynamic loading Signed-off-by: Kurtulus Oksuztepe <kurtulus.oksuztepe@adlinktech.com>
This commit is contained in:
Kurtulus Oksuztepe
eboasson
parent
98cf8e2ae5
commit
a65d3db7c8
9 changed files with 633 additions and 3 deletions
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@ -18,8 +18,13 @@ if(DEFINED ENV{M2_HOME})
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endif()
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# Chocolatey installs packages under C:\ProgramData\chocolatey.
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if(ENV{ProgramData} AND IS_DIRECTORY "$ENV{ProgramData}/chocolatey/bin")
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if(NOT "$ENV{ProgramData}" STREQUAL "")
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if(IS_DIRECTORY "$ENV{ProgramData}/chocolatey/bin")
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list(APPEND _mvn_paths "$ENV{ProgramData}/chocolatey/bin")
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endif()
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if(IS_DIRECTORY "$ENV{ProgramData}/chocolatey/bin")
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list(APPEND _dirs "$ENV{ProgramData}/chocolatey/lib/maven")
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endif()
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endif()
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# Maven documentation mentions intalling maven under C:\Program Files on
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@ -66,6 +66,7 @@ list(APPEND headers
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"${include_path}/dds/ddsrt/misc.h"
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"${include_path}/dds/ddsrt/io.h"
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"${include_path}/dds/ddsrt/process.h"
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"${include_path}/dds/ddsrt/dynlib.h"
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"${include_path}/dds/ddsrt/strtod.h"
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"${include_path}/dds/ddsrt/strtol.h"
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"${include_path}/dds/ddsrt/types.h")
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@ -102,7 +103,7 @@ list(APPEND sources
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# network stack. In order to mix-and-match various compilers, architectures,
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# operating systems, etc input from the build system is required.
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foreach(feature atomics cdtors environ heap ifaddrs random rusage
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sockets string sync threads time md5 process)
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sockets string sync threads time md5 process dynlib)
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if(EXISTS "${include_path}/dds/ddsrt/${feature}.h")
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list(APPEND headers "${include_path}/dds/ddsrt/${feature}.h")
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file(GLOB
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@ -176,6 +177,7 @@ target_sources(ddsrt INTERFACE ${sources})
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set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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find_package(Threads REQUIRED)
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target_link_libraries(ddsrt INTERFACE Threads::Threads)
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target_link_libraries(ddsrt INTERFACE ${CMAKE_DL_LIBS})
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if(WIN32)
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target_link_libraries(ddsrt INTERFACE wsock32 ws2_32 iphlpapi bcrypt)
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143
src/ddsrt/include/dds/ddsrt/dynlib.h
Normal file
143
src/ddsrt/include/dds/ddsrt/dynlib.h
Normal file
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@ -0,0 +1,143 @@
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/*
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* Copyright(c) 2006 to 2018 ADLINK Technology Limited and others
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License v. 2.0 which is available at
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* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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* v. 1.0 which is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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*/
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#ifndef DDSRT_LIBRARY_H
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#define DDSRT_LIBRARY_H
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#include "dds/export.h"
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#include "dds/ddsrt/types.h"
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#include "dds/ddsrt/retcode.h"
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#include "dds/ddsrt/attributes.h"
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#if defined (__cplusplus)
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extern "C" {
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#endif
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//typedef void *ddsrt_dynlib_t;
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typedef struct ddsrt_dynlib *ddsrt_dynlib_t;
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/**
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* @brief Load a dynamic shared library.
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*
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* The function ddsrt_dlopen() loads the dynamic shared object (shared library)
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* file, identified by 'name', sets the handle parameter for the loaded library and
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* returns the result with dds return code.
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*
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* If the 'translate' boolean is true, this function will first try to open the
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* library with a translated 'name'. Translated in this context means that if
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* "mylibrary" is provided, it will be translated into libmylibrary.so,
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* libmylibrary.dylib or mylibrary.dll depending on the platform.
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* This translation only happens when the given name does not contain
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* a directory.
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* If the function isn't able to load the library with the translated name, it
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* will still try the given name.
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*
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* @param[in] name Library file name.
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* @param[in] translate Automatic name translation on/off.
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* @param[out] handle Library handle that will be assigned after successfull operation. It is assigned to NULL if loading fails.
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*
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* @returns A dds_retcode_t indicating success or failure.
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*
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* @retval DDS_RETCODE_OK
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* Library handle was successfully loaded.
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* @retval DDS_RETCODE_BAD_PARAM
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* There is an invalid input in the parameter list
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* @retval DDS_RETCODE_ERROR
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* Loading failed.
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* Use ddsrt_dlerror() to diagnose the failure.
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*/
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DDS_EXPORT dds_retcode_t
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ddsrt_dlopen(
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const char *name,
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bool translate,
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ddsrt_dynlib_t *handle) ddsrt_nonnull_all;
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/**
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* @brief Close the library.
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*
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* The function ddsrt_dlclose() informs the system that the
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* library, identified by 'handle', is no longer needed.
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* will get the memory address of a symbol,
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* identified by 'symbol', from a loaded library 'handle'.
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*
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* @param[in] handle Library handle.
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*
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* @returns A dds_retcode_t indicating success or failure.
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*
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* @retval DDS_RETCODE_OK
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* Library handle was successfully closed.
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* @retval DDS_RETCODE_ERROR
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* Library closing failed.
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* Use ddsrt_dlerror() to diagnose the failure.
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*/
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DDS_EXPORT dds_retcode_t
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ddsrt_dlclose(
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ddsrt_dynlib_t handle);
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/**
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* @brief Get the memory address of a symbol.
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*
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* The function ddsrt_dlsym() will get the memory address of a symbol,
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* identified by 'symbol', from a loaded library 'handle'.
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*
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* @param[in] handle Library handle.
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* @param[in] symbol Symbol name.
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* @param[out] address The memory address of the loaded symbol (void*).
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*
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* @returns A dds_retcode_t indicating success or failure.
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*
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* @retval DDS_RETCODE_OK
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* Symbol was found in the loaded library.
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* Address parameter is ready to use.
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* @retval DDS_RETCODE_ERROR
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* Symbol was not found.
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* Use ddsrt_dlerror() to diagnose the failure.
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*/
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DDS_EXPORT dds_retcode_t
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ddsrt_dlsym(
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ddsrt_dynlib_t handle,
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const char *symbol,
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void **address);
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/**
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* @brief Get the most recent library related error.
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*
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* The function ddsrt_dlerror() will return the most recent error of the operating system
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* in human readable form.
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*
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* If no error was found, it's either due to the fact that there
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* actually was no error since init or last ddsrt_dlerror() call,
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* or due to an unknown unrelated error.
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*
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* As error reporting function can be used for different purposes, dssrt_dlerror
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* function should be called immediately after calling ddsrt_dlopen or ddsrt_dlsym
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* function.
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*
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* @returns A dds_retcode_t indicating success or failure.
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*
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* @retval DDS_RETCODE_OK
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* Most recent library related error returned.
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* @retval DDS_RETCODE_NOT_FOUND
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* No library related error found.
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*/
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DDS_EXPORT dds_retcode_t
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ddsrt_dlerror(
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char *buf,
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size_t buflen);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* DDSRT_LIBRARY_H */
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95
src/ddsrt/src/dynlib/posix/dynlib.c
Normal file
95
src/ddsrt/src/dynlib/posix/dynlib.c
Normal file
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@ -0,0 +1,95 @@
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/*
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* Copyright(c) 2006 to 2018 ADLINK Technology Limited and others
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License v. 2.0 which is available at
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* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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* v. 1.0 which is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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*/
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#include <stdio.h>
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#include <dlfcn.h>
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#include <assert.h>
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#include <string.h>
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#include <dds/ddsrt/dynlib.h>
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#include "dds/ddsrt/heap.h"
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#include "dds/ddsrt/io.h"
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dds_retcode_t ddsrt_dlopen(const char *name, bool translate,
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ddsrt_dynlib_t *handle) {
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dds_retcode_t retcode = DDS_RETCODE_OK;
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assert( handle );
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*handle = NULL;
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if ((translate) && (strrchr(name, '/') == NULL )) {
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/* Add lib and suffix to the name and try to open. */
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#if __APPLE__
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static const char suffix[] = ".dylib";
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#else
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static const char suffix[] = ".so";
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#endif
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char* libName;
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ddsrt_asprintf( &libName, "lib%s%s", name, suffix);
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*handle = dlopen(libName, RTLD_GLOBAL | RTLD_NOW);
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ddsrt_free(libName);
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}
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if (*handle == NULL ) {
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/* name contains a path,
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* (auto)translate is disabled or
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* dlopen on translated name failed. */
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*handle = dlopen(name, RTLD_GLOBAL | RTLD_NOW);
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}
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if (*handle != NULL) {
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retcode = DDS_RETCODE_OK;
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} else {
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retcode = DDS_RETCODE_ERROR;
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}
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return retcode;
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}
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dds_retcode_t ddsrt_dlclose(ddsrt_dynlib_t handle) {
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assert ( handle );
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return (dlclose(handle) == 0) ? DDS_RETCODE_OK : DDS_RETCODE_ERROR;
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}
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dds_retcode_t ddsrt_dlsym(ddsrt_dynlib_t handle, const char *symbol,
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void **address) {
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dds_retcode_t retcode = DDS_RETCODE_OK;
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assert( handle );
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assert( address );
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assert( symbol );
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*address = dlsym(handle, symbol);
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if (*address == NULL) {
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retcode = DDS_RETCODE_ERROR;
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}
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return retcode;
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}
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dds_retcode_t ddsrt_dlerror(char *buf, size_t buflen) {
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const char *err;
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dds_retcode_t retcode = DDS_RETCODE_OK;
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assert (buf );
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err = dlerror();
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if (err == NULL) {
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retcode = DDS_RETCODE_NOT_FOUND;
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} else {
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snprintf(buf, buflen, "%s", err);
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}
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return retcode;
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}
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95
src/ddsrt/src/dynlib/windows/dynlib.c
Normal file
95
src/ddsrt/src/dynlib/windows/dynlib.c
Normal file
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@ -0,0 +1,95 @@
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/*
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* Copyright(c) 2006 to 2018 ADLINK Technology Limited and others
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License v. 2.0 which is available at
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* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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* v. 1.0 which is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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*/
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#include <stdio.h>
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#include <assert.h>
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#include <dds/ddsrt/dynlib.h>
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#include <string.h>
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#include "dds/ddsrt/heap.h"
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#include "dds/ddsrt/types.h"
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#include "dds/ddsrt/string.h"
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dds_retcode_t ddsrt_dlopen(const char *name, bool translate,
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ddsrt_dynlib_t *handle) {
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dds_retcode_t retcode = DDS_RETCODE_OK;
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assert( handle );
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*handle = NULL;
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if ((translate) && (strrchr(name, '/') == NULL )
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&& (strrchr(name, '\\') == NULL )) {
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/* Add suffix to the name and try to open. */
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static const char suffix[] = ".dll";
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size_t len = strlen(name) + sizeof(suffix);
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char* libName = ddsrt_malloc(len);
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sprintf_s(libName, len, "%s%s", name, suffix);
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*handle = LoadLibrary(libName);
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ddsrt_free(libName);
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}
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if (*handle == NULL) {
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/* Name contains a path,
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* (auto)translate is disabled or
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* LoadLibrary on translated name failed. */
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*handle = LoadLibrary(name);
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}
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if (*handle != NULL) {
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retcode = DDS_RETCODE_OK;
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} else {
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retcode = DDS_RETCODE_ERROR;
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}
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return retcode;
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}
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dds_retcode_t ddsrt_dlclose(ddsrt_dynlib_t handle) {
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assert ( handle );
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return (FreeLibrary(handle) == 0) ? DDS_RETCODE_ERROR : DDS_RETCODE_OK;
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}
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dds_retcode_t ddsrt_dlsym(ddsrt_dynlib_t handle, const char *symbol,
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void **address) {
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dds_retcode_t retcode = DDS_RETCODE_OK;
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assert( handle );
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assert( address );
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assert( symbol );
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*address = GetProcAddress(handle, symbol);
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if ( *address == NULL ) {
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retcode = DDS_RETCODE_ERROR;
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}
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return retcode;
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}
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dds_retcode_t ddsrt_dlerror(char *buf, size_t buflen) {
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/* Hopefully (and likely), the last error is
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* related to a Library action attempt. */
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DWORD err;
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assert ( buf );
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dds_retcode_t retcode = DDS_RETCODE_OK;
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err = GetLastError();
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if ( err == 0 ) {
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retcode = DDS_RETCODE_NOT_FOUND;
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} else {
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retcode = ddsrt_strerror_r(err, buf, buflen);
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}
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return retcode;
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}
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@ -10,9 +10,11 @@
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# SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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#
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include(CUnit)
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include(GenerateExportHeader)
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set(sources
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"atomics.c"
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"dynlib.c"
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"environ.c"
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"heap.c"
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"ifaddrs.c"
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@ -66,3 +68,47 @@ set(process_app_name "${CMAKE_CURRENT_BINARY_DIR}/process_app${CMAKE_EXECUTABLE_
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configure_file(
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"process_test.h.in" "${CMAKE_CURRENT_BINARY_DIR}/include/process_test.h" @ONLY)
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# Create a separate shared library that will be used to
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# test dynamic library loading.
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set(test_lib_name "dltestlib")
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add_library(${test_lib_name} SHARED dllib.c)
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# Force the lib to be at the same location, no matter what platform or build type.
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set_target_properties(
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${test_lib_name}
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PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_CURRENT_BINARY_DIR}
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RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_CURRENT_BINARY_DIR}
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RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_CURRENT_BINARY_DIR}
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RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_CURRENT_BINARY_DIR}
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LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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LIBRARY_OUTPUT_DIRECTORY_DEBUG ${CMAKE_CURRENT_BINARY_DIR}
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LIBRARY_OUTPUT_DIRECTORY_RELEASE ${CMAKE_CURRENT_BINARY_DIR}
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LIBRARY_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_CURRENT_BINARY_DIR}
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LIBRARY_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_CURRENT_BINARY_DIR} )
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# Use proper export for this test lib.
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generate_export_header(${test_lib_name} BASE_NAME LIB_TEST)
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target_include_directories(${test_lib_name} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
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# Let the cunit application know the location and name of the library.
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file(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}" test_lib_native_dir)
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file(TO_NATIVE_PATH "/" test_lib_sep)
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string(REPLACE "\\" "\\\\" test_lib_dir ${test_lib_native_dir})
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string(REPLACE "\\" "\\\\" test_lib_sep ${test_lib_sep})
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configure_file("dl_test.h.in" "${CMAKE_CURRENT_BINARY_DIR}/include/dl_test.h" @ONLY)
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# Let ctest set the proper library path when executing library tests.
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unset(test_lib_tests)
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process_cunit_source_file("dynlib.c" test_lib_header test_lib_suites test_lib_tests)
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foreach(libtest ${test_lib_tests})
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string(REPLACE ":" ";" libtest ${libtest})
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list(GET libtest 0 suite)
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list(GET libtest 1 test)
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set(libtestname "CUnit_${suite}_${test}")
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if("${CMAKE_HOST_SYSTEM}" MATCHES ".*Windows.*")
|
||||
set_property(TEST ${libtestname} APPEND PROPERTY ENVIRONMENT "${test_lib_native_dir}")
|
||||
else()
|
||||
set_property(TEST ${libtestname} APPEND PROPERTY ENVIRONMENT "LD_LIBRARY_PATH=${test_lib_native_dir};$ENV{LD_LIBRARY_PATH}")
|
||||
endif()
|
||||
endforeach()
|
||||
|
||||
|
|
|
|||
22
src/ddsrt/tests/dl_test.h.in
Normal file
22
src/ddsrt/tests/dl_test.h.in
Normal file
|
|
@ -0,0 +1,22 @@
|
|||
/*
|
||||
* Copyright(c) 2006 to 2018 ADLINK Technology Limited and others
|
||||
*
|
||||
* This program and the accompanying materials are made available under the
|
||||
* terms of the Eclipse Public License v. 2.0 which is available at
|
||||
* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
|
||||
* v. 1.0 which is available at
|
||||
* http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
*
|
||||
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
|
||||
*/
|
||||
#ifndef DDSRT_TEST_DL_TEST_H
|
||||
#define DDSRT_TEST_DL_TEST_H
|
||||
|
||||
/* Get the library name information from cmake. */
|
||||
#define TEST_LIB_NAME "@test_lib_name@"
|
||||
#define TEST_LIB_DIR "@test_lib_dir@"
|
||||
#define TEST_LIB_SEP "@test_lib_sep@"
|
||||
#define TEST_LIB_SUFFIX "@CMAKE_SHARED_LIBRARY_SUFFIX@"
|
||||
#define TEST_LIB_PREFIX "@CMAKE_SHARED_LIBRARY_PREFIX@"
|
||||
|
||||
#endif /* DDSRT_TEST_DL_TEST_H */
|
||||
25
src/ddsrt/tests/dllib.c
Normal file
25
src/ddsrt/tests/dllib.c
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
/*
|
||||
* Copyright(c) 2019 ADLINK Technology Limited and others
|
||||
*
|
||||
* This program and the accompanying materials are made available under the
|
||||
* terms of the Eclipse Public License v. 2.0 which is available at
|
||||
* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
|
||||
* v. 1.0 which is available at
|
||||
* http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
*
|
||||
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
|
||||
*/
|
||||
#include "lib_test_export.h"
|
||||
|
||||
static int g_val = -1;
|
||||
|
||||
LIB_TEST_EXPORT void set_int(int val)
|
||||
{
|
||||
g_val = val;
|
||||
}
|
||||
|
||||
LIB_TEST_EXPORT int get_int(void)
|
||||
{
|
||||
return g_val;
|
||||
}
|
||||
|
||||
197
src/ddsrt/tests/dynlib.c
Normal file
197
src/ddsrt/tests/dynlib.c
Normal file
|
|
@ -0,0 +1,197 @@
|
|||
/*
|
||||
* Copyright(c) 2019 ADLINK Technology Limited and others
|
||||
*
|
||||
* This program and the accompanying materials are made available under the
|
||||
* terms of the Eclipse Public License v. 2.0 which is available at
|
||||
* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
|
||||
* v. 1.0 which is available at
|
||||
* http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
*
|
||||
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <assert.h>
|
||||
#include <dds/ddsrt/dynlib.h>
|
||||
#include "CUnit/Test.h"
|
||||
#include "dds/ddsrt/heap.h"
|
||||
#include "dds/ddsrt/string.h"
|
||||
#include "dds/ddsrt/environ.h"
|
||||
#include "dl_test.h"
|
||||
|
||||
#define TEST_LIB_FILE ""TEST_LIB_PREFIX""TEST_LIB_NAME""TEST_LIB_SUFFIX""
|
||||
#define TEST_LIB_ABSOLUTE ""TEST_LIB_DIR""TEST_LIB_SEP""TEST_LIB_FILE""
|
||||
|
||||
#define TEST_ABORT_IF_NULL(var, msg) \
|
||||
do { \
|
||||
if (var == NULL) { \
|
||||
char buffer[256]; \
|
||||
r = ddsrt_dlerror(buffer, sizeof(buffer)); \
|
||||
CU_ASSERT_EQUAL_FATAL(r, DDS_RETCODE_OK); \
|
||||
printf("\n%s", buffer); \
|
||||
CU_FAIL_FATAL(msg); \
|
||||
} \
|
||||
} while(0)
|
||||
|
||||
|
||||
/*
|
||||
* Load a library.
|
||||
*/
|
||||
CU_Test(ddsrt_library, dlopen_path)
|
||||
{
|
||||
dds_retcode_t r;
|
||||
ddsrt_dynlib_t l;
|
||||
|
||||
printf("Absolute lib: %s\n", TEST_LIB_ABSOLUTE);
|
||||
r = ddsrt_dlopen(TEST_LIB_ABSOLUTE, false, &l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
CU_ASSERT_PTR_NOT_NULL(l);
|
||||
TEST_ABORT_IF_NULL(l, "ddsrt_dlopen() failed. Is the proper library path set?");
|
||||
|
||||
r = ddsrt_dlclose(l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
}
|
||||
|
||||
CU_Test(ddsrt_library, dlopen_file)
|
||||
{
|
||||
dds_retcode_t r;
|
||||
ddsrt_dynlib_t l;
|
||||
|
||||
r = ddsrt_dlopen(TEST_LIB_FILE, false, &l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
CU_ASSERT_PTR_NOT_NULL(l);
|
||||
TEST_ABORT_IF_NULL(l, "ddsrt_dlopen() failed. Is the proper library path set?");
|
||||
|
||||
r = ddsrt_dlclose(l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
}
|
||||
|
||||
CU_Test(ddsrt_library, dlopen_name)
|
||||
{
|
||||
dds_retcode_t r;
|
||||
ddsrt_dynlib_t l;
|
||||
|
||||
r = ddsrt_dlopen(TEST_LIB_NAME, true, &l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
CU_ASSERT_PTR_NOT_NULL(l);
|
||||
TEST_ABORT_IF_NULL(l, "ddsrt_dlopen() failed. Is the proper library path set?");
|
||||
|
||||
r = ddsrt_dlclose(l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
}
|
||||
|
||||
CU_Test(ddsrt_library, dlopen_unknown)
|
||||
{
|
||||
char buffer[256];
|
||||
dds_retcode_t r;
|
||||
ddsrt_dynlib_t l;
|
||||
|
||||
r = ddsrt_dlopen("UnknownLib", false, &l);
|
||||
|
||||
CU_ASSERT_PTR_NULL_FATAL(l);
|
||||
|
||||
r = ddsrt_dlerror(buffer, sizeof(buffer));
|
||||
CU_ASSERT_EQUAL_FATAL(r, DDS_RETCODE_OK);
|
||||
printf("\n%s", buffer);
|
||||
}
|
||||
|
||||
CU_Test(ddsrt_library, dlsym)
|
||||
{
|
||||
dds_retcode_t r;
|
||||
ddsrt_dynlib_t l;
|
||||
void* f;
|
||||
|
||||
r = ddsrt_dlopen(TEST_LIB_NAME, true, &l);
|
||||
CU_ASSERT_PTR_NOT_NULL(l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
TEST_ABORT_IF_NULL(l, "ddsrt_dlopen() failed. Is the proper library path set?");
|
||||
|
||||
r = ddsrt_dlsym(l, "get_int", &f);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
CU_ASSERT_PTR_NOT_NULL(f);
|
||||
TEST_ABORT_IF_NULL(f, "ddsrt_dlsym(l, \"get_int\") failed.");
|
||||
|
||||
r = ddsrt_dlclose(l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
}
|
||||
|
||||
CU_Test(ddsrt_library, dlsym_unknown)
|
||||
{
|
||||
char buffer[256];
|
||||
dds_retcode_t r;
|
||||
ddsrt_dynlib_t l;
|
||||
void* f;
|
||||
|
||||
r = ddsrt_dlopen(TEST_LIB_NAME, true, &l);
|
||||
CU_ASSERT_PTR_NOT_NULL(l);
|
||||
TEST_ABORT_IF_NULL(l,"ddsrt_dlopen() failed. Is the proper library path set?");
|
||||
|
||||
r = ddsrt_dlsym(l, "UnknownSym", &f);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_ERROR);
|
||||
CU_ASSERT_PTR_NULL_FATAL(f);
|
||||
|
||||
r = ddsrt_dlerror(buffer, sizeof(buffer));
|
||||
CU_ASSERT_EQUAL_FATAL(r, DDS_RETCODE_OK);
|
||||
printf("\n%s", buffer);
|
||||
|
||||
r = ddsrt_dlclose(l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
}
|
||||
|
||||
typedef void (*func_set_int)(int val);
|
||||
typedef int (*func_get_int)(void);
|
||||
CU_Test(ddsrt_library, call)
|
||||
{
|
||||
int get_int = 0;
|
||||
int set_int = 1234;
|
||||
func_get_int f_get;
|
||||
func_set_int f_set;
|
||||
dds_retcode_t r;
|
||||
ddsrt_dynlib_t l;
|
||||
|
||||
r = ddsrt_dlopen(TEST_LIB_NAME, true, &l);
|
||||
CU_ASSERT_PTR_NOT_NULL(l);
|
||||
TEST_ABORT_IF_NULL(l, "ddsrt_dlopen() failed. Is the proper library path set?");
|
||||
|
||||
r = ddsrt_dlsym(l, "get_int", (void **)&f_get);
|
||||
CU_ASSERT_PTR_NOT_NULL(f_get);
|
||||
TEST_ABORT_IF_NULL(f_get, "ddsrt_dlsym(l, \"get_int\") failed.");
|
||||
|
||||
r = ddsrt_dlsym(l, "set_int", (void **)&f_set);
|
||||
CU_ASSERT_PTR_NOT_NULL(f_set);
|
||||
TEST_ABORT_IF_NULL(f_set, "ddsrt_dlsym(l, \"set_int\") failed.");
|
||||
|
||||
f_set(set_int);
|
||||
get_int = f_get();
|
||||
CU_ASSERT_EQUAL(set_int, get_int);
|
||||
|
||||
r = ddsrt_dlclose(l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
}
|
||||
|
||||
CU_Test(ddsrt_library, dlclose_error)
|
||||
{
|
||||
dds_retcode_t r;
|
||||
ddsrt_dynlib_t l;
|
||||
|
||||
r = ddsrt_dlopen(TEST_LIB_NAME, true, &l);
|
||||
CU_ASSERT_PTR_NOT_NULL(l);
|
||||
TEST_ABORT_IF_NULL(l, "ddsrt_dlopen() failed. Is the proper library path set?");
|
||||
|
||||
r = ddsrt_dlclose(l);
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_OK);
|
||||
|
||||
r = ddsrt_dlclose( l ); /*already closed handle */
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_ERROR);
|
||||
|
||||
}
|
||||
|
||||
CU_Test(ddsrt_library, dlerror_notfound)
|
||||
{
|
||||
char buffer[256];
|
||||
dds_retcode_t r;
|
||||
ddsrt_dlerror(buffer, sizeof(buffer));
|
||||
r = ddsrt_dlerror(buffer, sizeof(buffer));
|
||||
CU_ASSERT_EQUAL(r, DDS_RETCODE_NOT_FOUND);
|
||||
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue