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8148696: Race loading hsdis may cause SIGSEGV

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Guard library loading with a lock

Reviewed-by: vlivanov
This commit is contained in:
Nils Eliasson 2016-02-08 14:05:45 +01:00
parent eab1474601
commit 044e5ececc
1 changed files with 1 additions and 0 deletions
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1
hotspot/src/share/vm/compiler/disassembler.hpp
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@ -85,6 +85,7 @@ class Disassembler {
public: public:
static bool can_decode() { static bool can_decode() {
ttyLocker tl;
return (_decode_instructions_virtual != NULL) || return (_decode_instructions_virtual != NULL) ||
(_decode_instructions != NULL) || (_decode_instructions != NULL) ||
load_library(); load_library();