Package org.jruby.ext.ffi

Class Platform

java.lang.Object
org.jruby.ext.ffi.Platform
Direct Known Subclasses:
Platform.Default, Platform.Supported, Platform.Unsupported
public class Platform extends Object

  • Field Details

    • LOCALE

      private static final Locale LOCALE

    • CPU

      public static final Platform.CPU_TYPE CPU

    • OS

      public static final Platform.OS_TYPE OS

    • ARCH_DATA_MODEL

      private static final int ARCH_DATA_MODEL

    • NAME

      public static final String NAME

    • LIBPREFIX

      public static final String LIBPREFIX

    • LIBSUFFIX

      public static final String LIBSUFFIX

    • LIBC

      public static final String LIBC

    • BIG_ENDIAN

      public static final int BIG_ENDIAN
      See Also:

    • LITTLE_ENDIAN

      public static final int LITTLE_ENDIAN
      See Also:

    • BYTE_ORDER

      public static final int BYTE_ORDER

    • addressSize

      protected final int addressSize

    • longSize

      protected final int longSize

    • addressMask

      private final long addressMask

    • libPattern

      protected final Pattern libPattern

    • javaVersionMajor

      private int javaVersionMajor

  • Constructor Details

  • Method Details

    • determineOS

      private static final Platform.OS_TYPE determineOS()

    • determinePlatform

      private static final Platform determinePlatform(Platform.OS_TYPE os)

    • determineCPU

      private static final Platform.CPU_TYPE determineCPU()

    • determineLibC

      private static final String determineLibC()

    • determineLibExt

      private static final String determineLibExt()

    • determineArchDataModel

      private static int determineArchDataModel()

    • getPlatform

      public static final Platform getPlatform()
      Gets the current Platform
      Returns:
      The current platform.

    • getOS

      public final Platform.OS_TYPE getOS()
      Gets the current Operating System.
      Returns:
      A OS value representing the current Operating System.

    • getCPU

      public final Platform.CPU_TYPE getCPU()
      Gets the current processor architecture the JVM is running on.
      Returns:
      A CPU value representing the current processor architecture.

    • getJavaMajorVersion

      public final int getJavaMajorVersion()
      Gets the version of the Java Virtual Machine (JVM) jffi is running on.
      Returns:
      A number representing the java version. e.g. 8 for java 1.8, 9 for java 9

    • isBSD

      public final boolean isBSD()

    • isUnix

      public final boolean isUnix()

    • isSupported

      public final boolean isSupported()

    • createPlatformModule

      public static void createPlatformModule(Ruby runtime, RubyModule ffi)

    • windows_p

      public static IRubyObject windows_p(ThreadContext context, IRubyObject recv)

    • mac_p

      public static IRubyObject mac_p(ThreadContext context, IRubyObject recv)

    • unix_p

      public static IRubyObject unix_p(ThreadContext context, IRubyObject recv)

    • bsd_p

      public static IRubyObject bsd_p(ThreadContext context, IRubyObject recv)

    • linux_p

      public static IRubyObject linux_p(ThreadContext context, IRubyObject recv)

    • solaris_p

      public static IRubyObject solaris_p(ThreadContext context, IRubyObject recv)

    • getProperty

      public static String getProperty(String property, String defValue)
      An extension over System.getProperty method. Handles security restrictions, and returns the default value if the access to the property is restricted.
      Parameters:
      property - The system property name.
      defValue - The default value.
      Returns:
      The value of the system property, or the default value.

    • longSize

      public final int longSize()
      Gets the size of a C 'long' on the native platform.
      Returns:
      the size of a long in bits

    • addressSize

      public final int addressSize()
      Gets the size of a C address/pointer on the native platform.
      Returns:
      the size of a pointer in bits

    • addressMask

      public final long addressMask()
      Gets the 32/64bit mask of a C address/pointer on the native platform.
      Returns:
      the size of a pointer in bits

    • getName

      public String getName()
      Gets the name of this Platform.
      Returns:
      The name of this platform.

    • mapLibraryName

      public String mapLibraryName(String libName)

    • startsWithIgnoreCase

      private static boolean startsWithIgnoreCase(String s1, String s2)