syscall.sh / alpha / sched_getaffinity

sched_getaffinity

set and get a thread's CPU affinity mask

sys_sched_getaffinity(pid_t pid, unsigned int len, unsigned long *user_mask_ptr)
number396 (0x18c)
abicommon
entry pointsys_sched_getaffinity
sinceLinux 5.0
man pagesched_getaffinity(2)
sourceelixir.bootlin.com

Registers

registervalue
v0396, the syscall number
a0pid_t pid
a1unsigned int len
a2unsigned long *user_mask_ptr
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/sched_getaffinity