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gnutls_global_init
Section: gnutls (3)
Updated: 2.10.2
Index
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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. 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.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
- RETURNS
-
- REPORTING BUGS
-
- COPYRIGHT
-
- SEE ALSO
-
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