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8057531: refactor gc argument processing code slightly

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Reviewed-by: mgerdin, tschatzl, jmasa
This commit is contained in:
John Coomes 2014-09-04 16:53:27 -07:00
parent 7fcafaafcf
commit 100e58569c
2 changed files with 66 additions and 52 deletions
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9
hotspot/src/share/vm/runtime/arguments.hpp
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@ -340,8 +340,10 @@ class Arguments : AllStatic {
static void set_conservative_max_heap_alignment();
static void set_use_compressed_oops();
static void set_use_compressed_klass_ptrs();
static void select_gc();
static void set_ergonomics_flags();
static void set_shared_spaces_flags();
static void set_gc_specific_flags();
// limits the given memory size by the maximum amount of memory this process is
// currently allowed to allocate or reserve.
static julong limit_by_allocatable_memory(julong size);
@ -453,6 +455,9 @@ class Arguments : AllStatic {
// Adjusts the arguments after the OS have adjusted the arguments
static jint adjust_after_os();
static inline bool gc_selected(); // whether a gc has been selected
static void select_gc_ergonomically();
// Verifies that the given value will fit as a MinHeapFreeRatio. If not, an error
// message is returned in the provided buffer.
static bool verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio);
@ -606,4 +611,8 @@ class Arguments : AllStatic {
static bool copy_expand_pid(const char* src, size_t srclen, char* buf, size_t buflen);
};
bool Arguments::gc_selected() {
return UseConcMarkSweepGC || UseG1GC || UseParallelGC || UseParallelOldGC ||
UseParNewGC || UseSerialGC;
}
#endif // SHARE_VM_RUNTIME_ARGUMENTS_HPP