syscall.sh / arm / signalfd4

signalfd4

create a file descriptor for accepting signals

sys_signalfd4(int ufd, sigset_t *user_mask, size_t sizemask, int flags)
number355 (0x163)
abicommon
entry pointsys_signalfd4
sinceLinux 4.10
man pagesignalfd4(2)
sourceelixir.bootlin.com

Registers

registervalue
r7355, the syscall number
r0int ufd
r1sigset_t *user_mask
r2size_t sizemask
r3int flags
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/signalfd4