diff --git a/cmakelists_/CMakeLists_regular_04.txt b/cmakelists_/CMakeLists_regular_04.txt
new file mode 100644
index 0000000..5148e6e
--- /dev/null
+++ b/cmakelists_/CMakeLists_regular_04.txt
@@ -0,0 +1,165 @@
+cmake_minimum_required(VERSION 2.8)
+set(PROJ <project name>)
+set(MINOR_VERSION "1")
+set(MID_VERSION "0")
+set(MAJOR_VERSION "0")
+set(VERSION "${MAJOR_VERSION}.${MID_VERSION}.${MINOR_VERSION}")
+
+enable_language(C)
+
+message("VER: ${VERSION}")
+
+# default flags
+set(CFLAGS -O2 -Wextra -Wall -Werror -W -std=gnu99)
+
+set(CMAKE_COLOR_MAKEFILE ON)
+
+# here is one of two variants: all .c in directory or .c files in list
+aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR} SOURCES)
+#list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/<file to remove>)
+#set(SOURCES list_of_c_files)
+
+# we can change file list
+#if(NOT DEFINED something)
+#	set(SOURCES ${SOURCES} one_more_list)
+#	add_definitions(-DSOME_DEFS)
+#endif()
+
+# cmake -DDEBUG=1 -> debugging
+if(DEFINED DEBUG)
+	add_definitions(-DEBUG)
+endif()
+
+# directory should contain dir locale/ru for gettext translations
+set(LCPATH ${CMAKE_SOURCE_DIR}/locale/ru)
+
+if(NOT DEFINED LOCALEDIR)
+	if(DEFINED DEBUG)
+		set(LOCALEDIR ${CMAKE_CURRENT_SOURCE_DIR}/locale)
+	else()
+		set(LOCALEDIR ${CMAKE_INSTALL_PREFIX}/share/locale)
+	endif()
+endif()
+
+###### pkgconfig ######
+# pkg-config modules (for pkg-check-modules)
+set(MODULES <modules>)
+# additional modules on condition
+#if(DEFINED SOMETHING)
+#	set(MODULES ${MODULES} more_modules>=version)
+#	add_definitions(-DSOMEDEFS)
+#endif()
+# find packages:
+find_package(PkgConfig REQUIRED)
+# non-required
+#find_package(<pkg1>)
+pkg_check_modules(${PROJ} REQUIRED ${MODULES})
+
+# external modules like OpenMP:
+#include(FindOpenMP)
+#if(OPENMP_FOUND)
+#	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+#	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+#	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+#endif()
+
+# append data from find_package:
+#list(APPEND ${PROJ}_INCLUDE_DIRS ${<pkg1>_INCLUDE_DIR} ${<pkg2>_INCLUDE_DIR})
+#list(APPEND ${PROJ}_LIBRARIES ${<pkg1>_LIBRARY} ${<pkg2>_LIBRARY})
+#list(APPEND ${${PROJ}_LIBRARY_DIRS}  ${<pkg1>_LIBRARY_DIRS})
+
+###### additional flags ######
+#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -lfftw3_threads")
+# conditional check:
+#if(NOT DEFINED NO_GSL)
+#	pkg_check_modules(GSL gsl)
+#endif()
+#if(NOT DEFINED GSL_VERSION)
+#	message("GSL not found, some mathematics functions wouldn't be avialable")
+#else()
+#	add_definitions(-DGSL_FOUND)
+#endif()
+
+project(${PROJ})
+# change wrong behaviour with install prefix
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND CMAKE_INSTALL_PREFIX MATCHES "/usr/local")
+	message("Change default install path to /usr")
+	set(CMAKE_INSTALL_PREFIX "/usr")
+endif()
+message("Install dir prefix: ${CMAKE_INSTALL_PREFIX}")
+
+# gettext files
+set(PO_FILE ${LCPATH}/messages.po)
+set(MO_FILE ${LCPATH}/LC_MESSAGES/${PROJ}.mo)
+set(RU_FILE ${LCPATH}/ru.po)
+
+# exe file
+add_executable(${PROJ} ${SOURCES})
+# another exe, depending on some other files
+#add_executable(test_client client.c usefull_macros.c parceargs.c)
+# -I
+include_directories(${${PROJ}_INCLUDE_DIRS})
+# -L
+link_directories(${${PROJ}_LIBRARY_DIRS})
+# -D
+add_definitions(${CFLAGS} -DLOCALEDIR=\"${LOCALEDIR}\"
+		-DPACKAGE_VERSION=\"${VERSION}\" -DGETTEXT_PACKAGE=\"${PROJ}\"
+		-DMINOR_VERSION=\"${MINOR_VERSION}\" -DMID_VERSION=\"${MID_VERSION}\"
+		-DMAJOR_VERSION=\"${MAJOR_VESION}\")
+
+###### pthreads ######
+find_package(Threads REQUIRED)
+if(THREADS_HAVE_PTHREAD_ARG)
+  set_property(TARGET ${PROJ} PROPERTY COMPILE_OPTIONS "-pthread")
+  set_property(TARGET ${PROJ} PROPERTY INTERFACE_COMPILE_OPTIONS "-pthread")
+endif()
+if(CMAKE_THREAD_LIBS_INIT)
+  list(APPEND ${PROJ}_LIBRARIES "${CMAKE_THREAD_LIBS_INIT}")
+endif()
+
+# target libraries
+target_link_libraries(${PROJ} ${${PROJ}_LIBRARIES})
+
+# Installation of the program
+INSTALL(FILES ${MO_FILE} DESTINATION "share/locale/ru/LC_MESSAGES")
+        #PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ)
+INSTALL(TARGETS ${PROJ} DESTINATION "bin")
+        #PERMISSIONS OWNER_WRITE OWNER_READ OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
+# Script to be executed at installation time (kind of post-intallation script) to
+# change the right accesses on the installed files
+#INSTALL(SCRIPT inst.cmake)
+
+###### gettext ######
+find_package(Gettext REQUIRED)
+find_program(GETTEXT_XGETTEXT_EXECUTABLE xgettext)
+if(NOT GETTEXT_XGETTEXT_EXECUTABLE OR NOT GETTEXT_MSGFMT_EXECUTABLE)
+	message(FATAL_ERROR "xgettext not found")
+endif()
+file(MAKE_DIRECTORY ${LCPATH})
+file(MAKE_DIRECTORY ${LCPATH}/LC_MESSAGES)
+
+add_custom_command(
+	OUTPUT ${PO_FILE}
+	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+	COMMAND ${GETTEXT_XGETTEXT_EXECUTABLE} --from-code=utf-8 ${SOURCES} -c -k_ -kN_ -o ${PO_FILE}
+	COMMAND sed -i 's/charset=.*\\\\n/charset=koi8-r\\\\n/' ${PO_FILE}
+	COMMAND enconv ${PO_FILE}
+	DEPENDS ${SOURCES}
+)
+
+# we need this to prewent ru.po from deleting by make clean
+
+add_custom_command(
+	OUTPUT ${MO_FILE}
+	COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} ${RU_FILE} -o ${MO_FILE}
+	DEPENDS ${RU_FILE} ru_file_updated
+)
+
+add_custom_command(
+	OUTPUT ru_file_updated
+	COMMAND [ -f ${RU_FILE} ] && ${GETTEXT_MSGMERGE_EXECUTABLE} -Uis ${RU_FILE} ${PO_FILE} || cp ${PO_FILE} ${RU_FILE}
+	COMMAND ${CMAKE_COMMAND} -E touch ru_file_updated
+	DEPENDS ${PO_FILE}
+)
+
+add_custom_target(MO_FILE ALL DEPENDS ${MO_FILE})
diff --git a/thread_array_management/test.c b/thread_array_management/test.c
index 2ec5ccf..b56150e 100644
--- a/thread_array_management/test.c
+++ b/thread_array_management/test.c
@@ -78,8 +78,9 @@ static char *popmessage(msglist **lst){
     if(!lst || !*lst) return NULL;
     char *ret;
     msglist *node = *lst;
-    ret = (*lst)->data;
-    *lst = (*lst)->next;
+    if(node->next) node->next->last = node->last; // pop not last message
+    ret = node->data;
+    *lst = node->next;
     FREE(node);
     return ret;
 }