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gnutls_global_init(3)			      gnutls			    gnutls_global_init(3)

NAME
       gnutls_global_init - API function

SYNOPSIS
       #include <gnutls/gnutls.h>

       int gnutls_global_init( void);

ARGUMENTS
	void

DESCRIPTION
       This function initializes the global data to defaults.  In order to free resources you may
       call gnutls_global_deinit() when gnutls usage is no longer needed.

       Note that this function will also initialize the underlying crypto backend, if it has  not
       been initialized before.

       This  function  increments  a global counter, so that gnutls_global_deinit() only releases
       resources when it has been called as many times as gnutls_global_init().  This  is  useful
       when  GnuTLS  is  used  by  more than one library in an application.  This function can be
       called many times, but will only do something the first time.

       Note!  This function is not thread safe.  If two threads  call  this  function  simultane-
       ously,  they  can  cause  a  race between checking the global counter and incrementing it,
       causing both threads to execute the library initialization code.  That  would  lead  to	a
       memory leak.  To handle this, your application could invoke this function after aquiring a
       thread mutex.  To ignore the potential memory leak is also an option.

RETURNS
       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error code is returned.

REPORTING BUGS
       Report bugs to <bug-gnutls@gnu.org>.
       General guidelines for reporting bugs: http://www.gnu.org/gethelp/
       GnuTLS home page: http://www.gnu.org/software/gnutls/

COPYRIGHT
       Copyright (C) 2012 Free Software Foundation, Inc..
       Copying and distribution of this file, with or without modification, are permitted in  any
       medium without royalty provided the copyright notice and this notice are preserved.

SEE ALSO
       The  full  documentation  for  gnutls  is maintained as a Texinfo manual.  If the info and
       gnutls programs are properly installed at your site, the command

	      info gnutls

       should give you access to the complete manual.  As an alternative you may obtain the  man-
       ual from:

	      http://www.gnu.org/software/gnutls/manual/

gnutls					      3.1.15			    gnutls_global_init(3)
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