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comparison src/share/vm/runtime/os.hpp @ 12144:d8e99408faad

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8009062: poor performance of JNI AttachCurrentThread after fix for 7017193 Summary: don't re-evaluate stack bounds for main thread before install guard page Reviewed-by: coleenp, dholmes, dlong
author dsamersoff
date Thu, 29 Aug 2013 21:48:23 +0400
parents 4c84d351cca9
children c636758ea616
comparison
equal deleted inserted replaced
12142:76482cbba706 12144:d8e99408faad
722 // System loadavg support. Returns -1 if load average cannot be obtained. 722 // System loadavg support. Returns -1 if load average cannot be obtained.
723 static int loadavg(double loadavg[], int nelem); 723 static int loadavg(double loadavg[], int nelem);
724 724
725 // Hook for os specific jvm options that we don't want to abort on seeing 725 // Hook for os specific jvm options that we don't want to abort on seeing
726 static bool obsolete_option(const JavaVMOption *option); 726 static bool obsolete_option(const JavaVMOption *option);
727
728 // Read file line by line. If line is longer than bsize,
729 // rest of line is skipped. Returns number of bytes read or -1 on EOF
730 static int get_line_chars(int fd, char *buf, const size_t bsize);
731 727
732 // Extensions 728 // Extensions
733 #include "runtime/os_ext.hpp" 729 #include "runtime/os_ext.hpp"
734 730
735 public: 731 public: