xenomai/api3/rtdm_2uapi_2udd_8h_source.html

 #ifndef _RTDM_UAPI_UDD_H
 #define _RTDM_UAPI_UDD_H

 struct udd_signotify {
         pid_t pid;
         int sig;
 };

 #define UDD_RTIOC_IRQEN         _IO(RTDM_CLASS_UDD, 0)

 #define UDD_RTIOC_IRQDIS        _IO(RTDM_CLASS_UDD, 1)

 #define UDD_RTIOC_IRQSIG        _IOW(RTDM_CLASS_UDD, 2, struct udd_signotify)

 #endif /* !_RTDM_UAPI_UDD_H */
udd_signotify::pid
pid_t pid
PID of the Cobalt thread to notify upon interrupt receipt.
Definition: udd.h:50

udd_signotify::sig
int sig
Signal number to send to PID for notifying, which must be in the range [SIGRTMIN .
Definition: udd.h:56

udd_signotify
UDD event notification descriptor.
Definition: udd.h:44