Create platformsImpl when needed

Change-Id: Ie89356761fc39910c765066d40cd363c93002692
Signed-off-by: Mateusz Jablonski <mateusz.jablonski@intel.com>

opencl/source/os_interface/linux/platform_teardown_linux.cpp

@@ -8,6 +8,9 @@
 #include "opencl/source/platform/platform.h"
 
 namespace NEO {
+void __attribute__((constructor)) platformsConstructor() {
+    platformsImpl = new std::vector<std::unique_ptr<Platform>>;
+}
 void __attribute__((destructor)) platformsDestructor() {
     delete platformsImpl;
     platformsImpl = nullptr;

opencl/source/os_interface/windows/platform_teardown_win.cpp

@@ -7,12 +7,14 @@
 
 #include "opencl/source/platform/platform.h"
 
-namespace NEO {
+using namespace NEO;
 
 BOOL APIENTRY DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
     if (fdwReason == DLL_PROCESS_DETACH) {
         delete platformsImpl;
     }
+    if (fdwReason == DLL_PROCESS_ATTACH) {
+        platformsImpl = new std::vector<std::unique_ptr<Platform>>;
+    }
     return TRUE;
 }
-} // namespace NEO

opencl/source/platform/platform.cpp

@@ -37,7 +37,7 @@
 #include <map>
 namespace NEO {
 
-std::vector<std::unique_ptr<Platform>> *platformsImpl = new std::vector<std::unique_ptr<Platform>>;
+std::vector<std::unique_ptr<Platform>> *platformsImpl = nullptr;
 
 Platform::Platform(ExecutionEnvironment &executionEnvironmentIn) : executionEnvironment(executionEnvironmentIn) {
     clDevices.reserve(4);

opencl/test/unit_test/main.cpp

@@ -72,6 +72,7 @@ extern std::string lastTest;
 bool generateRandomInput = false;
 
 void applyWorkarounds() {
+    platformsImpl = new std::vector<std::unique_ptr<Platform>>;
     platformsImpl->reserve(1);
     {
         std::ofstream f;
@@ -152,6 +153,7 @@ void initializeTestHelpers() {
 
 void cleanTestHelpers() {
     GlobalMockSipProgram::shutDownSipProgram();
+    delete platformsImpl;
 }
 
 std::string getHardwarePrefix() {
@@ -440,6 +442,5 @@ int main(int argc, char **argv) {
     retVal = RUN_ALL_TESTS();
 
     cleanTestHelpers();
-    delete platformsImpl;
     return retVal;
 }

shared/test/unit_test/main.cpp

@@ -74,6 +74,7 @@ extern std::string lastTest;
 bool generateRandomInput = false;
 
 void applyWorkarounds() {
+    platformsImpl = new std::vector<std::unique_ptr<Platform>>;
     platformsImpl->reserve(1);
     {
         std::ofstream f;