syscall.sh / s390x / io_cancel

io_cancel

cancel an outstanding asynchronous I/O operation

sys_io_cancel(aio_context_t ctx_id, struct iocb *iocb, struct io_event *result)
number247 (0xf7)
abicommon
entry pointsys_io_cancel
sinceLinux 4.16
man pageio_cancel(2)
sourceelixir.bootlin.com

Registers

registervalue
r1247, the syscall number
r2aio_context_t ctx_id
r3struct iocb *iocb
r4struct io_event *result
r2the return value

Then run svc 0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/s390x/io_cancel