src/hotspot/share/prims/whitebox.cpp

@  rev 56288 : 8230305: Cgroups v2: Container awareness
|  Reviewed-by: bobv
~

*** 2117,2126 ****
--- 2117,2140 ----
  WB_ENTRY(jboolean, WB_IsContainerized(JNIEnv* env, jobject o))
    LINUX_ONLY(return OSContainer::is_containerized();)
    return false;
  WB_END
  
+ WB_ENTRY(jobject, WB_CgroupType(JNIEnv* env, jobject o))
+   jstring cg_type = NULL;
+ #ifdef LINUX
+ #ifndef PRODUCT
+   const char* p = OSContainer::cg_type();
+   ThreadToNativeFromVM ttn(thread);
+   cg_type = env->NewStringUTF(p);
+ 
+   CHECK_JNI_EXCEPTION_(env, NULL);
+ #endif
+ #endif
+   return cg_type;
+ WB_END
+ 
  WB_ENTRY(void, WB_PrintOsInfo(JNIEnv* env, jobject o))
    os::print_os_info(tty);
  WB_END
  
  // Elf decoder
*** 2376,2385 ****
--- 2390,2401 ----
                                                        (void*)&WB_RequestConcurrentGCPhase},
    {CC"checkLibSpecifiesNoexecstack", CC"(Ljava/lang/String;)Z",
                                                        (void*)&WB_CheckLibSpecifiesNoexecstack},
    {CC"isContainerized",           CC"()Z",            (void*)&WB_IsContainerized },
    {CC"printOsInfo",               CC"()V",            (void*)&WB_PrintOsInfo },
+   {CC"cgroupType",                        CC"()Ljava/lang/String;",
+                                                       (void*)&WB_CgroupType },
    {CC"disableElfSectionCache",    CC"()V",            (void*)&WB_DisableElfSectionCache },
    {CC"resolvedMethodItemsCount",  CC"()J",            (void*)&WB_ResolvedMethodItemsCount },
    {CC"protectionDomainRemovedCount",   CC"()I",       (void*)&WB_ProtectionDomainRemovedCount },
    {CC"aotLibrariesCount", CC"()I",                    (void*)&WB_AotLibrariesCount },
  };