gnutls_record_get_direction (3) - Linux Manuals

gnutls_record_get_direction: API function

NAME

gnutls_record_get_direction - API function

SYNOPSIS

#include <gnutls/gnutls.h>

int gnutls_record_get_direction(gnutls_session_t session);

ARGUMENTS

gnutls_session_t session

is a gnutls_session_t structure.

DESCRIPTION

This function provides information about the internals of the record protocol and is only useful if a prior gnutls function call (e.g. gnutls_handshake()) was interrupted for some reason, that is, if a function returned GNUTLS_E_INTERRUPTED or GNUTLS_E_AGAIN. In such a case, you might want to call select() or poll() before calling the interrupted gnutls function again. To tell you whether a file descriptor should be selected for either reading or writing, gnutls_record_get_direction() returns 0 if the interrupted function was trying to read data, and 1 if it was trying to write data.

This function's output is unreliable if you are using the
 session in different threads, for sending and receiving.

RETURNS

0 if trying to read data, 1 if trying to write data.

REPORTING BUGS

Report bugs to <bugs [at] gnutls.org>.
Home page: http://www.gnutls.org

COPYRIGHT

Copyright © 2001-2014 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.