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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_transp...eout_function(3) gnutls gnutls_transp...eout_function(3)
gnutls_transport_set_pull_timeout_function - API function
#include <gnutls/gnutls.h>
void gnutls_transport_set_pull_timeout_function(gnutls_session_t
session, gnutls_pull_timeout_func func);
gnutls_session_t session
is a gnutls_session_t type.
gnutls_pull_timeout_func func
a callback function
This is the function where you set a function for gnutls to know
whether data are ready to be received. It should wait for data a
given time frame in milliseconds. The callback should return 0 on
timeout, a positive number if data can be received, and -1 on
error. You'll need to override this function if select() is not
suitable for the provided transport calls.
As with select(), if the timeout value is zero the callback should
return zero if no data are immediately available. The special
value GNUTLS_INDEFINITE_TIMEOUT indicates that the callback should
wait indefinitely for data.
gnutls_pull_timeout_func is of the form, int
(*gnutls_pull_timeout_func)(gnutls_transport_ptr_t, unsigned int
ms);
This callback is necessary when gnutls_handshake_set_timeout() or
gnutls_record_set_timeout() are set, under TLS1.3 and for
enforcing the DTLS mode timeouts when in blocking mode.
For compatibility with future GnuTLS versions this callback must
be set when a custom pull function is registered. The callback
will not be used when the session is in TLS mode with non-blocking
sockets. That is, when GNUTLS_NONBLOCK is specified for a TLS
session in gnutls_init().
The helper function gnutls_system_recv_timeout() is provided to
simplify writing callbacks.
3.0
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
Copyright © 2001-2023 Free Software Foundation, Inc., and others.
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.
The full documentation for gnutls is maintained as a Texinfo
manual. If the /usr/share/doc/gnutls/ directory does not contain
the HTML form visit
https://www.gnutls.org/manual/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this
manual page, send it to bugs@gnutls.org. This page was obtained
from the tarball fetched from
⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-08-11. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information
in this COLOPHON (which is not part of the original manual page),
send a mail to man-pages@man7.org
gnutls 3.8.10 gnutls_transp...eout_function(3)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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