10

mb_probe

mb_register  |  mb_send

mb_probe
SYNOPSIS

int mb_probe( int socket, int msg_id, char *app_name, int sync )

DESCRIPTION

mb_probe asks for the number of processes registered as app_name. socket is a connector returned by a previous call to mb_bind. msg_id is a request number which can be used to uniquely identify the reply.

If sync is 1, the calling process is blocked until the bus responds and mb_probe returns the number of processes registered as app_name or -1 if an error occured. Use sync only if you are sure no other messages are waiting to be read.

If sync is 0, mb_probe immediately returns 0 or -1 in case of error. The reply must be read with mb_receive.

SEE ALSO

mb_bind, mb_receive

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