syscall.sh / csky / msgctl

msgctl

System V message control operations

sys_msgctl(int msqid, int cmd, struct msqid_ds *buf)
number187 (0xbb)
abicommon
entry pointsys_msgctl
sinceLinux 4.20
man pagemsgctl(2)
sourceelixir.bootlin.com

Registers

registervalue
r7187, the syscall number
a0int msqid
a1int cmd
a2struct msqid_ds *buf
a0the return value

Then run trap 0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/csky/msgctl