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8204668: Cleanup management of the java.vm.info System property

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Reviewed-by: rehn, cjplummer
This commit is contained in:
David Holmes 2018-06-14 02:01:31 -04:00
parent 6b62a66298
commit ab90071069
4 changed files with 19 additions and 50 deletions
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18
src/hotspot/share/runtime/arguments.cpp
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@ -116,6 +116,7 @@ SystemProperty *Arguments::_java_library_path = NULL;
SystemProperty *Arguments::_java_home = NULL;
SystemProperty *Arguments::_java_class_path = NULL;
SystemProperty *Arguments::_jdk_boot_class_path_append = NULL;
SystemProperty *Arguments::_vm_info = NULL;
GrowableArray<ModulePatchPath*> *Arguments::_patch_mod_prefix = NULL;
PathString *Arguments::_system_boot_class_path = NULL;
@ -395,9 +396,11 @@ void Arguments::init_system_properties() {
"Java Virtual Machine Specification", false));
PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false));
PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false));
PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true));
PropertyList_add(&_system_properties, new SystemProperty("jdk.debug", VM_Version::jdk_debug_level(), false));
// Initialize the vm.info now, but it will need updating after argument parsing.
_vm_info = new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true);
// Following are JVMTI agent writable properties.
// Properties values are set to NULL and they are
// os specific they are initialized in os::init_system_properties_values().
@ -417,6 +420,7 @@ void Arguments::init_system_properties() {
PropertyList_add(&_system_properties, _java_home);
PropertyList_add(&_system_properties, _java_class_path);
PropertyList_add(&_system_properties, _jdk_boot_class_path_append);
PropertyList_add(&_system_properties, _vm_info);
// Set OS specific system properties values
os::init_system_properties_values();
@ -4451,18 +4455,6 @@ void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, c
PropertyList_add(plist, k, v, writeable == WriteableProperty, internal == InternalProperty);
}
// Update existing property with new value.
void Arguments::PropertyList_update_value(SystemProperty* plist, const char* k, const char* v) {
SystemProperty* prop;
for (prop = plist; prop != NULL; prop = prop->next()) {
if (strcmp(k, prop->key()) == 0) {
prop->set_value(v);
return;
}
}
assert(false, "invalid property");
}
// Copies src into buf, replacing "%%" with "%" and "%p" with pid
// Returns true if all of the source pointed by src has been copied over to
// the destination buffer pointed by buf. Otherwise, returns false.