syscall.sh / nios2 / flock

flock

apply or remove an advisory lock on an open file

sys_flock(unsigned int fd, unsigned int cmd)
number32 (0x20)
abicommon
entry pointsys_flock
sinceLinux 3.19
man pageflock(2)
sourceelixir.bootlin.com

Registers

registervalue
r232, the syscall number
r4unsigned int fd
r5unsigned int cmd
r2the return value

Then run trap to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/nios2/flock