syscall.sh / alpha / sigaction
sigaction
examine and change a signal action
sys_osf_sigaction(int sig, const struct osf_sigaction *act, struct osf_sigaction *oact)
| number | 156 (0x9c) |
|---|---|
| abi | common |
| entry point | sys_osf_sigaction |
| since | Linux 5.0 |
| man page | sigaction(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
v0 | 156, the syscall number |
a0 | int sig |
a1 | const struct osf_sigaction *act |
a2 | struct osf_sigaction *oact |
v0 | the 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/sigaction