syscall.sh / arm / flock

flock

apply or remove an advisory lock on an open file

sys_flock(unsigned int fd, unsigned int cmd)
number143 (0x8f)
abicommon
entry pointsys_flock
sinceLinux 4.10
man pageflock(2)
sourceelixir.bootlin.com

Registers

registervalue
r7143, the syscall number
r0unsigned int fd
r1unsigned int cmd
r0the 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/arm/flock