Mercurial > hg > truffle
diff src/share/vm/runtime/arguments.cpp @ 1764:14197af1010e
Merge
author | never |
---|---|
date | Fri, 27 Aug 2010 17:35:08 -0700 |
parents | d6f45b55c972 ebfb7c68865e |
children | 40d7b43b6fe0 d5d065957597 |
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--- a/src/share/vm/runtime/arguments.cpp Fri Aug 27 17:33:49 2010 -0700 +++ b/src/share/vm/runtime/arguments.cpp Fri Aug 27 17:35:08 2010 -0700 @@ -1564,6 +1564,18 @@ return false; } +bool Arguments::verify_min_value(intx val, intx min, const char* name) { + // Returns true if given value is greater than specified min threshold + // false, otherwise. + if (val >= min ) { + return true; + } + jio_fprintf(defaultStream::error_stream(), + "%s of " INTX_FORMAT " is invalid; must be greater than " INTX_FORMAT "\n", + name, val, min); + return false; +} + bool Arguments::verify_percentage(uintx value, const char* name) { if (value <= 100) { return true; @@ -1616,6 +1628,16 @@ return status; } +// Check stack pages settings +bool Arguments::check_stack_pages() +{ + bool status = true; + status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); + status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); + status = status && verify_min_value(StackShadowPages, 1, "StackShadowPages"); + return status; +} + // Check the consistency of vm_init_args bool Arguments::check_vm_args_consistency() { // Method for adding checks for flag consistency. @@ -1728,6 +1750,7 @@ } status = status && check_gc_consistency(); + status = status && check_stack_pages(); if (_has_alloc_profile) { if (UseParallelGC || UseParallelOldGC) {