#define LTTNG_KERNEL_SESSION_UNTRACK_PID \
_IOR(0xF6, 0x59, int32_t)
#define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
#define LTTNG_KERNEL_SESSION_UNTRACK_PID \
_IOR(0xF6, 0x59, int32_t)
#define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)