pidfd_send_signal on ia32

send a signal to a process specified by a file descriptor

sys_pidfd_send_signal(int pidfd, int sig, siginfo_t *info, unsigned int flags)
number424 (0x1a8)
abii386
entry pointsys_pidfd_send_signal
sinceLinux 5.1
man pagepidfd_send_signal(2)
sourceelixir.bootlin.com

Registers

registervalue
eax424, the syscall number
ebxint pidfd
ecxint sig
edxsiginfo_t *info
esiunsigned int flags
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/pidfd_send_signal