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.
the priority of the source
a file descriptor
IO conditions to watch for on fd
a GUnixFDSourceFunc
data to pass to function
function to call when the idle is removed, or NULL
the ID (greater than 0) of the event source
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.