syscall.sh / sh / signalfd
signalfd
create a file descriptor for accepting signals
sys_signalfd(int ufd, sigset_t *user_mask, size_t sizemask)| number | 321 (0x141) |
|---|---|
| abi | common |
| entry point | sys_signalfd |
| since | Linux 5.0 |
| man page | signalfd(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r3 | 321, the syscall number |
r4 | int ufd |
r5 | sigset_t *user_mask |
r6 | size_t sizemask |
r0 | the return value |
Then run trapa #31 to enter the kernel.
Same syscall on other architectures
- x64 282
- x86 321
- arm 349
- x32 1073742106
- ppc64 305
- ppc 305
- s390x 316
- mips64 5276
- mipsn32 6280
- mipso32 4317
- alpha 476
- m68k 317
- microblaze 321
- parisc 302
- sparc 311
- sparc64 311
- xtensa 304
Get this as JSON: https://api.syscall.sh/v2/syscalls/sh/signalfd