diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/crypto/BIO_set_callback.pod | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/crypto/BIO_set_callback.pod b/doc/crypto/BIO_set_callback.pod index 6f2630d9a4..113b416488 100644 --- a/doc/crypto/BIO_set_callback.pod +++ b/doc/crypto/BIO_set_callback.pod @@ -40,15 +40,24 @@ BIO_callback_fn() is the type of the callback function. The meaning of each argument is described below: =over + +=item B<b> + The BIO the callback is attached to is passed in B<b>. +=item B<oper> + B<oper> is set to the operation being performed. For some operations the callback is called twice, once before and once after the actual operation, the latter case has B<oper> or'ed with BIO_CB_RETURN. +=item B<argp> B<argi> B<argl> + The meaning of the arguments B<argp>, B<argi> and B<argl> depends on the value of B<oper>, that is the operation being performed. +=item B<ret> + B<ret> is the return value that would be returned to the application if no callback were present. The actual value returned is the return value of the callback itself. In the case of callbacks |