Hello Eugene, yes that is what i was looking for.
in GPIO.xojo_code it seems it is not supported for some reason.
// Unfortunately, wiringPiISR runs the callback on a preemptive thread
// making this method unsafe to use with Xojo.
[code]Protected Function WIringPiISR(pin As Integer, edgeType As Integer, p As Ptr) As Integer
// int wiringPiISR (int pin, int edgeType, void (*function)(void)) ;
// This function registers a function to received interrupts on the specified pin.
// The edgeType parameter is either INT_EDGE_FALLING, INT_EDGE_RISING,
// INT_EDGE_BOTH or INT_EDGE_SETUP. If it is INT_EDGE_SETUP then no
// initialisation of the pin will happen its assumed that you have already
// setup the pin elsewhere (e.g. with the gpio program), but if you specify one
// of the other types, then the pin will be exported and initialised as specified.
// This is accomplished via a suitable call to the gpio utility program,
// so it need to be available.
//
// The pin number is supplied in the current mode native wiringPi, BCM_GPIO,
// physical or Sys modes.
//
// This function will work in any mode, and does not need root privileges to work.
//
// The function will be called when the interrupt triggers.
// When it is triggered, its cleared in the dispatcher before calling your
// function, so if a subsequent interrupt fires before you finish your handler,
// then it wont be missed. (However it can only track one more interrupt,
// if more than one interrupt fires while one is being handled then they will be ignored)
//
// This function is run at a high priority (if the program is run
// using sudo, or as root) and executes concurrently with the main program.
// It has full access to all the global variables, open file handles and so on.
//
// See the isr.c example program for more details on how to use this feature.
[b] // Unfortunately, wiringPiISR runs the callback on a preemptive thread
// making this method unsafe to use with Xojo.[/b]
// #If TargetARM And TargetLinux Then
// Soft Declare Function wpISR Lib "libwiringPi.so" Alias "wiringPiISR" (pin As Integer, mode As Integer, p as ptr) As Integer
// Return wpISR(pin, edgeType, p)
// #Endif
End Function[/code]