fix: Disable compiler cache if any IGC_ env is set

Related-To: NEO-12721
Signed-off-by: Aleksandra Nizio <aleksandra.nizio@intel.com>

shared/test/common/os_interface/linux/sys_calls_linux_ult.cpp

@@ -555,6 +555,23 @@ int pidfdgetfd(int pid, int targetfd, unsigned int flags) {
     }
     return 0;
 }
+char **getEnviron() {
+    return NEO::ULT::getCurrentEnviron();
+}
 
 } // namespace SysCalls
+
+namespace ULT {
+
+static char **mockEnviron = nullptr;
+
+char **getCurrentEnviron() {
+    return mockEnviron ? mockEnviron : environ;
+}
+
+void setMockEnviron(char **mock) {
+    mockEnviron = mock;
+}
+
+} // namespace ULT
 } // namespace NEO

shared/test/common/os_interface/linux/sys_calls_linux_ult.h

@@ -16,6 +16,9 @@
 #include <unistd.h>
 #include <vector>
 
+extern "C" {
+extern char **environ;
+}
 namespace NEO {
 namespace SysCalls {
 
@@ -103,5 +106,10 @@ extern std::string dlOpenFilePathPassed;
 extern std::string mkfifoPathNamePassed;
 
 extern long sysconfReturn;
+char **getEnviron();
 } // namespace SysCalls
+namespace ULT {
+char **getCurrentEnviron();
+void setMockEnviron(char **mock);
+} // namespace ULT
 } // namespace NEO

shared/test/common/os_interface/windows/sys_calls.cpp

@@ -465,7 +465,14 @@ BOOL verQueryValueW(LPCVOID pBlock, LPCWSTR lpSubBlock, LPVOID *lplpBuffer, PUIN
     }
     return FALSE;
 }
-
+LPWCH mockEnvStringsW = nullptr;
+BOOL mockFreeEnvStringsWResult = TRUE;
+LPWCH getEnvironmentStringsW() {
+    return mockEnvStringsW;
+}
+BOOL freeEnvironmentStringsW(LPWCH) {
+    return mockFreeEnvStringsWResult;
+}
 } // namespace SysCalls
 
 bool isShutdownInProgress() {
@@ -475,5 +482,4 @@ bool isShutdownInProgress() {
 unsigned int readEnablePreemptionRegKey() {
     return 1;
 }
-
 } // namespace NEO