syscall.sh / x32 / signalfd

signalfd

create a file descriptor for accepting signals

sys_signalfd(int ufd, sigset_t *user_mask, size_t sizemask)
number1073742106 (0x4000011a)
abicommon
entry pointsys_signalfd
sinceLinux 3.4
man pagesignalfd(2)
sourceelixir.bootlin.com

Registers

registervalue
rax1073742106, the syscall number
rdiint ufd
rsisigset_t *user_mask
rdxsize_t sizemask
raxthe return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x32/signalfd