io_cancel on ia32

cancel an outstanding asynchronous I/O operation

sys_io_cancel(aio_context_t ctx_id, struct iocb *iocb, struct io_event *result)
number249 (0xf9)
abii386
kconfigCONFIG_AIO
familyaio
entry pointsys_io_cancel
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pageio_cancel(2)
sourceelixir.bootlin.com

Registers

registervalue
eax249, the syscall number
ebxaio_context_t ctx_id
ecxstruct iocb *iocb
edxstruct io_event *result
eaxthe return value

Then run int 0x80 to enter the kernel.

This compat ABI is only available when the kernel is built with CONFIG_IA32_EMULATION.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/ia32/io_cancel