Mercurial > hg > graal-jvmci-8
diff src/share/vm/utilities/vmError.cpp @ 20781:42f27b59c550
Merge
| author | asaha |
|---|---|
| date | Wed, 26 Nov 2014 08:57:40 -0800 |
| parents | 417e3b8d04c5 d7b6bdd51abe |
| children | 7848fc12602b f3ffb37f88a6 9989538b7507 |
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--- a/src/share/vm/utilities/vmError.cpp Wed Nov 26 08:14:21 2014 -0800 +++ b/src/share/vm/utilities/vmError.cpp Wed Nov 26 08:57:40 2014 -0800 @@ -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; }