Sets a function to be called when the IO condition, as specified by
condition becomes true for fd.
This is the same as g_unix_fd_add(), except that it allows you to
specify a non-default priority and a provide a GDestroyNotify for
user_data.
Since 2.36
Sets a function to be called when the IO condition, as specified by condition becomes true for fd. This is the same as g_unix_fd_add(), except that it allows you to specify a non-default priority and a provide a GDestroyNotify for user_data. Since 2.36