Quelle  jvmFlagConstraintsGC.hpp

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#ifndef SHARE_GC_SHARED_JVMFLAGCONSTRAINTSGC_HPP
#define SHARE_GC_SHARED_JVMFLAGCONSTRAINTSGC_HPP

#include "runtime/flags/jvmFlag.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/macros.hpp"
#if INCLUDE_G1GC
#include "gc/g1/jvmFlagConstraintsG1.hpp"
#endif
#if INCLUDE_PARALLELGC
#include "gc/parallel/jvmFlagConstraintsParallel.hpp"
#endif

/*
 * Here we have GC arguments constraints functions, which are called automatically
 * whenever flag's value changes. If the constraint fails the function should return
 * an appropriate error value.
 */
#define SHARED_GC_CONSTRAINTS(f)                               \
 f(uint,   ParallelGCThreadsConstraintFunc)                    \
 f(size_t, YoungPLABSizeConstraintFunc)                        \
 f(size_t, OldPLABSizeConstraintFunc)                          \
 f(uintx,  MinHeapFreeRatioConstraintFunc)                     \
 f(uintx,  MaxHeapFreeRatioConstraintFunc)                     \
 f(intx,   SoftRefLRUPolicyMSPerMBConstraintFunc)              \
 f(size_t, MarkStackSizeConstraintFunc)                        \
 f(uintx,  MinMetaspaceFreeRatioConstraintFunc)                \
 f(uintx,  MaxMetaspaceFreeRatioConstraintFunc)                \
 f(uintx,  InitialTenuringThresholdConstraintFunc)             \
 f(uintx,  MaxTenuringThresholdConstraintFunc)                 \
                                                               \
 f(uintx,  MaxGCPauseMillisConstraintFunc)                     \
 f(uintx,  GCPauseIntervalMillisConstraintFunc)                \
 f(size_t, MinHeapSizeConstraintFunc)                          \
 f(size_t, InitialHeapSizeConstraintFunc)                      \
 f(size_t, MaxHeapSizeConstraintFunc)                          \
 f(size_t, SoftMaxHeapSizeConstraintFunc)                      \
 f(size_t, HeapBaseMinAddressConstraintFunc)                   \
 f(size_t, NewSizeConstraintFunc)                              \
 f(size_t, MinTLABSizeConstraintFunc)                          \
 f(size_t, TLABSizeConstraintFunc)                             \
 f(uintx,  TLABWasteIncrementConstraintFunc)                   \
 f(uintx,  SurvivorRatioConstraintFunc)                        \
 f(size_t, MetaspaceSizeConstraintFunc)                        \
 f(size_t, MaxMetaspaceSizeConstraintFunc)                     \
 f(uint, GCCardSizeInBytesConstraintFunc)

SHARED_GC_CONSTRAINTS(DECLARE_CONSTRAINT)

JVMFlag::Error MaxPLABSizeBounds(const char* name, size_t value, bool verbose);

#define GC_CONSTRAINTS(f)                      \
  SHARED_GC_CONSTRAINTS(f)                     \
  G1GC_ONLY(G1_GC_CONSTRAINTS(f))              \
  PARALLELGC_ONLY(PARALLEL_GC_CONSTRAINTS(f))

#endif // SHARE_GC_SHARED_JVMFLAGCONSTRAINTSGC_HPP