syscall.sh / alpha / pidfd_getfd

pidfd_getfd

obtain a duplicate of another process's file descriptor

sys_pidfd_getfd(int pidfd, int fd, unsigned int flags)
number548 (0x224)
abicommon
entry pointsys_pidfd_getfd
sinceLinux 5.6
man pagepidfd_getfd(2)
sourceelixir.bootlin.com

Registers

registervalue
v0548, the syscall number
a0int pidfd
a1int fd
a2unsigned int flags
v0the return value

Then run callsys to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/alpha/pidfd_getfd