signalfd4 on nds32

create a file descriptor for accepting signals

sys_signalfd4(int ufd, sigset_t *user_mask, size_t sizemask, int flags)
number74 (0x4a)
abicommon
kconfigCONFIG_SIGNALFD
entry pointsys_signalfd4
sinceLinux 4.17 or earlier (4.17 is the first release scanned for nds32)
man pagesignalfd4(2)
sourceelixir.bootlin.com

Registers

registervalue
r1574, the syscall number
r0int ufd
r1sigset_t *user_mask
r2size_t sizemask
r3int flags
r0the return value

Then run syscall to enter the kernel.

This architecture was removed from the Linux kernel in Linux 5.18. The newest release with a syscall table here is Linux 5.17. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/nds32/signalfd4?kernel=all