69             }
  70         }
  71         test(args[1]);
  72     }
  73 
  74     // Test tries to run java with ulimit unlimited if it is possible
  75     static boolean useDefaultUlimit() {
  76         if (Platform.isWindows()) {
  77             return true;
  78         }
  79         try {
  80             OutputAnalyzer output = ProcessTools.executeProcess("sh", "-c", "ulimit -c unlimited && ulimit -c");
  81             return !(output.getExitValue() == 0 && output.getStdout().contains("unlimited"));
  82         } catch (Throwable t) {
  83             return true;
  84         }
  85     }
  86 
  87     static void test(String type) throws Throwable {
  88         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, "-XX:+CreateCoredumpOnCrash",
  89                 "-XX:MaxMetaspaceSize=64m", "-XX:+CrashOnOutOfMemoryError", "-XX:-TransmitErrorReport",
  90                 TestJmapCore.class.getName(), type);
  91 
  92         boolean useDefaultUlimit = useDefaultUlimit();
  93         System.out.println("Run test with ulimit: " + (useDefaultUlimit ? "default" : "unlimited"));
  94         OutputAnalyzer output = useDefaultUlimit
  95             ? ProcessTools.executeProcess(pb)
  96             : ProcessTools.executeProcess("sh", "-c", "ulimit -c unlimited && "
  97                     + ProcessTools.getCommandLine(pb));
  98         File core;
  99         String pattern = Platform.isWindows() ? "mdmp" : "core";
 100         File[] cores = new File(".").listFiles((dir, name) -> name.contains(pattern));
 101         if (cores.length == 0) {
 102             // /cores/core.$pid might be generated on macosx by default
 103             String pid = output.firstMatch("^(\\d+)" + pidSeparator, 1);
 104             core = new File("cores/core." + pid);
 105             if (!core.exists()) {
 106                 System.out.println("Has not been able to find coredump. Test skipped.");
 107                 return;
 108             }
 109         } else {

  69             }
  70         }
  71         test(args[1]);
  72     }
  73 
  74     // Test tries to run java with ulimit unlimited if it is possible
  75     static boolean useDefaultUlimit() {
  76         if (Platform.isWindows()) {
  77             return true;
  78         }
  79         try {
  80             OutputAnalyzer output = ProcessTools.executeProcess("sh", "-c", "ulimit -c unlimited && ulimit -c");
  81             return !(output.getExitValue() == 0 && output.getStdout().contains("unlimited"));
  82         } catch (Throwable t) {
  83             return true;
  84         }
  85     }
  86 
  87     static void test(String type) throws Throwable {
  88         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, "-XX:+CreateCoredumpOnCrash",
  89                 "-Xmx512m", "-XX:MaxMetaspaceSize=64m", "-XX:+CrashOnOutOfMemoryError", "-XX:-TransmitErrorReport",
  90                 TestJmapCore.class.getName(), type);
  91 
  92         boolean useDefaultUlimit = useDefaultUlimit();
  93         System.out.println("Run test with ulimit: " + (useDefaultUlimit ? "default" : "unlimited"));
  94         OutputAnalyzer output = useDefaultUlimit
  95             ? ProcessTools.executeProcess(pb)
  96             : ProcessTools.executeProcess("sh", "-c", "ulimit -c unlimited && "
  97                     + ProcessTools.getCommandLine(pb));
  98         File core;
  99         String pattern = Platform.isWindows() ? "mdmp" : "core";
 100         File[] cores = new File(".").listFiles((dir, name) -> name.contains(pattern));
 101         if (cores.length == 0) {
 102             // /cores/core.$pid might be generated on macosx by default
 103             String pid = output.firstMatch("^(\\d+)" + pidSeparator, 1);
 104             core = new File("cores/core." + pid);
 105             if (!core.exists()) {
 106                 System.out.println("Has not been able to find coredump. Test skipped.");
 107                 return;
 108             }
 109         } else {