Function createSocketAcceptHandler

app/redis-6.2.6/src/server.c:3016–3027

Create an event handler for accepting new connections in TCP or TLS domain sockets. * This works atomically for all socket fds */

/* Create an event handler for accepting new connections in TCP or TLS domain sockets.
 * This works atomically for all socket fds */
int createSocketAcceptHandler(socketFds *sfd, aeFileProc *accept_handler) {
    int j;

    for (j = 0; j < sfd->count; j++) {
        if (aeCreateFileEvent(server.el, sfd->fd[j], AE_READABLE, accept_handler,NULL) == AE_ERR) {
            /* Rollback */
            for (j = j-1; j >= 0; j--) aeDeleteFileEvent(server.el, sfd->fd[j], AE_READABLE);
            return C_ERR;
        }
    }
    return C_OK;
}

/* Initialize a set of file descriptors to listen to the specified 'port'
 * binding the addresses specified in the Redis server configuration.