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gnutls_global_init(3)		    gnutls		 gnutls_global_init(3)

NAME
       gnutls_global_init - initialize the global data to defaults.

SYNOPSIS
       #include <gnutls/gnutls.h>

       int gnutls_global_init( void);

ARGUMENTS
	void

DESCRIPTION
       This  function  initializes  the global data to defaults.  Every gnutls
       application has a global data which holds common parameters  shared  by
       gnutls session structures.  You should call gnutls_global_deinit() when
       gnutls usage is no longer needed

       Note that this function will also initialize libgcrypt, if it  has  not
       been  initialized  before.   Thus  if  you  want to manually initialize
       libgcrypt you must do it before calling this function.  This is	useful
       in cases you want to disable libgcrypt's internal lockings etc.

       This	function    increment	 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 simultaneously, 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 (zero) is  returned,  otherwise  an	 error
       code is returned.

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

COPYRIGHT
       Copyright © 2008 Free Software Foundation.
       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.

gnutls				     2.8.6		 gnutls_global_init(3)
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