Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- a/src/share/vm/utilities/vmError.cpp	Fri Oct 24 17:09:30 2014 -0700
     1.2 +++ b/src/share/vm/utilities/vmError.cpp	Fri Oct 31 17:09:14 2014 -0700
     1.3 @@ -22,6 +22,7 @@
     1.4   *
     1.5   */
     1.6  
     1.7 +#include <fcntl.h>
     1.8  #include "precompiled.hpp"
     1.9  #include "compiler/compileBroker.hpp"
    1.10  #include "gc_interface/collectedHeap.hpp"
    1.11 @@ -841,7 +842,8 @@
    1.12  static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) {
    1.13    int fd = -1;
    1.14    if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) {
    1.15 -    fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666);
    1.16 +    // the O_EXCL flag will cause the open to fail if the file exists
    1.17 +    fd = open(buf, O_RDWR | O_CREAT | O_EXCL, 0666);
    1.18    }
    1.19    return fd;
    1.20  }