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<?xml version="1.0"?>
<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.4//EN" "http://www.gnustep.org/gsdoc-1_0_4.dtd">
<gsdoc base="NSProcessInfo" up="Base">
  <head>
    <title>NSProcessInfo class reference</title>
    <author name="Georg Tuparev">
      <email address="Tuparev@EMBL-Heidelberg.de">
        Tuparev@EMBL-Heidelberg.de
      </email>
    </author>
    <author name="Richard Frith-Macdonald">
      <email address="rfm@gnu.org">
        rfm@gnu.org
      </email>
    </author>
    <copy>1995-2017 Free Software Foundation, Inc.</copy>
  </head>
  <body>
    <front><contents /></front>
    <chapter>
      <heading>
        Software documentation for the NSProcessInfo class
      </heading>
      <class name="NSProcessInfo" super="NSObject" ovadd="1.0.0">
        <declared>Foundation/NSProcessInfo.h</declared>
        <desc>
          Instances of this class encapsulate information on
          the current process. For example, you can get the
          arguments, environment variables, host name, or
          process name. There is only one instance per process,
          for obvious reasons, and it may be obtained through the
          <ref type="method" id="+processInfo">
            +processInfo
          </ref>
          method.
        </desc>
        <method type="NSProcessInfo*" factory="yes" ovadd="1.0.0">
          <sel>processInfo</sel>
          <desc>
            Returns the shared NSProcessInfo object for the
            current process.
          </desc>
        </method>
        <method type="NSUInteger" ovadd="10.5.0">
          <sel>activeProcessorCount</sel>
          <desc>
            Not implemented
          </desc>
        </method>
        <method type="NSArray*" ovadd="1.0.0">
          <sel>arguments</sel>
          <desc>
            Returns an array containing the arguments supplied
            to start this process. <br /> NB. In GNUstep, any
            arguments of the form --GNU-Debug=... are
            <em>not</em> included in this array... they are part
            of the debug mechanism, and are hidden so that setting
            debug variables will not effect the normal operation
            of the program. <br /> Please note, the special
            <code>--GNU-Debug=...</code> syntax differs from
            that which is used to specify values for the
            <ref type="class" id="NSUserDefaults">NSUserDefaults</ref>
              system. <br /> User defaults are set on the
              command line by specifying the default name (with
              a leading hyphen) as one argument, and the default
              value as the following argument. The arguments used
              to set user defaults are present in the array returned
              by this method.
          </desc>
        </method>
        <method type="id" ovadd="0.0.0">
          <sel>beginActivityWithOptions:</sel>
          <arg type="NSActivityOptions">options</arg>
          <sel>reason:</sel>
          <arg type="NSString*">reason</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.6.0">
          <sel>disableSuddenTermination</sel>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.6.0">
          <sel>enableSuddenTermination</sel>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="0.0.0">
          <sel>endActivity:</sel>
          <arg type="id&lt;NSObject&gt;">activity</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSDictionary*" ovadd="1.0.0">
          <sel>environment</sel>
          <desc>
            Returns a dictionary giving the environment
            variables which were provided for the process to
            use.
          </desc>
        </method>
        <method type="NSString*" ovadd="1.0.0">
          <sel>globallyUniqueString</sel>
          <desc>
            Returns a string which may be used as a globally
            unique identifier. <br /> The string contains the
            host name, the process ID, a timestamp and a counter.
            <br /> The first three values identify the process
            in which the string is generated, while the fourth
            ensures that multiple strings generated within the
            same process are unique.
          </desc>
        </method>
        <method type="NSString*" ovadd="1.0.0">
          <sel>hostName</sel>
          <desc>
            Returns the name of the machine on which this
            process is running.
          </desc>
        </method>
        <method type="NSUInteger" ovadd="10.0.0">
          <sel>operatingSystem</sel>
          <desc>
            Return a number representing the operating system
            type. <br /> The known types are listed in the header
            file, but not all of the listed types are actually
            implemented... some are present for MacOS-X
            compatibility only. <br />
            <list>
              <item>
                NSWindowsNTOperatingSystem -
                used for Windows NT, and later
              </item>
              <item>
                NSWindows95OperatingSystem -
                probably never to be implemented
              </item>
              <item>
                NSSolarisOperatingSystem -
                used for Sun Solaris
              </item>
              <item>
                NSHPUXOperatingSystem - used for
                HP/UX
              </item>
              <item>
                NSMACHOperatingSystem - MacOSX
                and perhaps Hurd in future?
              </item>
              <item>
                NSSunOSOperatingSystem - Used
                for Sun Sun/OS
              </item>
              <item>
                NSOSF1OperatingSystem - Used for
                OSF/1 (probably obsolete)
              </item>
              <item>
                GSGNULinuxOperatingSystem -
                the GNUstep 'standard'
              </item>
              <item>
                GSBSDOperatingSystem - BSD derived
                operating systems
              </item>
              <item>
                GSBeperatingSystem - Used for Be-OS
                (probably obsolete)
              </item>
              <item>
                GSCygwinOperatingSystem -
                cygwin unix-like environment
              </item>
            </list>
          </desc>
        </method>
        <method type="NSString*" ovadd="10.0.0">
          <sel>operatingSystemName</sel>
          <desc>
            Return a human readable string representing the
            operating system type. <br /> The supported types
            are -
            <list>
              <item>
                NSWindowsNTOperatingSystem -
                used for Windows NT, and later
              </item>
              <item>
                NSWindows95OperatingSystem -
                probably never to be implemented
              </item>
              <item>
                NSSolarisOperatingSystem -
                used for Sun Solaris
              </item>
              <item>
                NSHPUXOperatingSystem - used for
                HP/UX
              </item>
              <item>
                NSMACHOperatingSystem - MacOSX
                and perhaps Hurd in future?
              </item>
              <item>
                NSSunOSOperatingSystem - Used
                for Sun Sun/OS
              </item>
              <item>
                NSOSF1OperatingSystem - Used for
                OSF/1 (probably obsolete)
              </item>
              <item>
                GSGNULinuxOperatingSystem -
                the GNUstep 'standard'
              </item>
              <item>
                GSBSDOperatingSystem - BSD derived
                operating systems
              </item>
              <item>
                GSBeperatingSystem - Used for Be-OS
                (probably obsolete)
              </item>
              <item>
                GSCygwinOperatingSystem -
                cygwin unix-like environment
              </item>
            </list>
          </desc>
        </method>
        <method type="NSString*" ovadd="10.2.0">
          <sel>operatingSystemVersionString</sel>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="0.0.0">
          <sel>performActivityWithOptions:</sel>
          <arg type="NSActivityOptions">options</arg>
          <sel>reason:</sel>
          <arg type="NSString*">reason</arg>
          <sel>usingBlock:</sel>
          <arg type="GSPerformActivityBlock">block</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="0.0.0">
          <sel>performExpiringActivityWithReason:</sel>
          <arg type="NSString*">reason</arg>
          <sel>usingBlock:</sel>
          <arg type="GSPerformExpiringActivityBlock">block</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="unsigned long long" ovadd="10.5.0">
          <sel>physicalMemory</sel>
          <desc>
            Not implemented
          </desc>
        </method>
        <method type="int" ovadd="10.0.0">
          <sel>processIdentifier</sel>
          <desc>
            Returns the process identifier number which
            uniquely identifies this process on this machine.
          </desc>
        </method>
        <method type="NSString*" ovadd="1.0.0">
          <sel>processName</sel>
          <desc>
            Returns the process name for this process. This may
            have been set using the
            <ref type="method" id="-setProcessName:">
              -setProcessName:
            </ref>
            method, or may be the default process name (the
            file name of the binary being executed).
          </desc>
        </method>
        <method type="NSUInteger" ovadd="10.5.0">
          <sel>processorCount</sel>
          <desc>
            Not implemented
          </desc>
        </method>
        <method type="void" ovadd="1.0.0">
          <sel>setProcessName:</sel>
          <arg type="NSString*">newName</arg>
          <desc>
            Change the name of the current process to
            <var>newName</var>.
          </desc>
        </method>
        <method type="NSUInteger" ovadd="10.6.0">
          <sel>systemUptime</sel>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
      </class>
    </chapter>
    <chapter>
      <heading>
        Software documentation for the NSProcessInfo(GNUstep)
        category
      </heading>
      <category name="GNUstep" class="NSProcessInfo" gvadd="0.0.0" gvrem="1.17.0">
        <declared>Foundation/NSProcessInfo.h</declared>
        <desc>
          Provides GNUstep-specific methods for controlled
          debug logging (a GNUstep facility) and an
          internal/developer-related method.
        </desc>
        <method type="void" factory="yes" gvadd="0.0.0" gvrem="1.17.0">
          <sel>initializeWithArguments:</sel>
          <arg type="char**">argv</arg>
          <sel>count:</sel>
          <arg type="int">argc</arg>
          <sel>environment:</sel>
          <arg type="char**">env</arg>
          <desc>
            Obsolete... the
            <ref type="function" id="GSInitializeProcess">
              GSInitializeProcess()
            </ref>
            function has the same effect and can be called
            more easily from other languages (particularly C).
          </desc>
        </method>
        <method type="BOOL" gvadd="0.0.0" gvrem="1.17.0">
          <sel>setLogFile:</sel>
          <arg type="NSString*">path</arg>
          <desc>
            Set the file to which NSLog output should be directed.
            <br /> Returns <code>YES</code> on success,
            <code>NO</code> on failure. <br /> By default
            logging goes to standard error.
          </desc>
        </method>
      </category>
    </chapter>
  </body>
</gsdoc>

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