diff options
Diffstat (limited to 'src/nng.h')
| -rw-r--r-- | src/nng.h | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -223,12 +223,18 @@ NNG_DECL int nng_getopt_ptr(nng_socket, const char *, void **); // Only one callback can be set on a given socket, and there is no way // to retrieve the old value. typedef enum { - NNG_PIPE_ADD, // Pipe added to socket - NNG_PIPE_REM // Pipe removed from socket -} nng_pipe_action; - -typedef void (*nng_pipe_cb)(nng_pipe, nng_pipe_action, void *); -NNG_DECL int nng_pipe_notify(nng_socket, nng_pipe_cb, void *); + NNG_PIPE_EV_ADD_PRE, // Called just before pipe added to socket + NNG_PIPE_EV_ADD_POST, // Called just after pipe added to socket + NNG_PIPE_EV_REM_POST, // Called just after poipe removed from socket + NNG_PIPE_EV_NUM, // Used internally, must be last. +} nng_pipe_ev; + +typedef void (*nng_pipe_cb)(nng_pipe, int, void *); + +// nng_pipe_notify registers a callback to be executed when the +// given event is triggered. To watch for different events, register +// multiple times. Each event can have at most one callback registered. +NNG_DECL int nng_pipe_notify(nng_socket, int, nng_pipe_cb, void *); // nng_getopt_string is special -- it allocates a string to hold the // resulting string, which should be freed with nng_strfree when it is |