Mercurial > hg > truffle
diff src/share/vm/utilities/vmError.cpp @ 21818:5ca2ea5eeff0
Merge
author | asaha |
---|---|
date | Fri, 31 Oct 2014 17:09:14 -0700 |
parents | 833b0f92429a 60a992c821f8 |
children | b1cf34d57e78 |
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--- a/src/share/vm/utilities/vmError.cpp Fri Oct 24 17:09:30 2014 -0700 +++ b/src/share/vm/utilities/vmError.cpp Fri Oct 31 17:09:14 2014 -0700 @@ -22,6 +22,7 @@ * */ +#include <fcntl.h> #include "precompiled.hpp" #include "compiler/compileBroker.hpp" #include "gc_interface/collectedHeap.hpp" @@ -841,7 +842,8 @@ static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { int fd = -1; if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { - fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666); + // the O_EXCL flag will cause the open to fail if the file exists + fd = open(buf, O_RDWR | O_CREAT | O_EXCL, 0666); } return fd; }