syscall.sh / xtensa / signalfd4
signalfd4
create a file descriptor for accepting signals
sys_signalfd4(int ufd, sigset_t *user_mask, size_t sizemask, int flags)| number | 309 (0x135) |
|---|---|
| abi | common |
| entry point | sys_signalfd4 |
| since | Linux 5.0 |
| man page | signalfd4(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
a2 | 309, the syscall number |
a6 | int ufd |
a3 | sigset_t *user_mask |
a4 | size_t sizemask |
a5 | int flags |
a2 | the return value |
Then run syscall to enter the kernel.
Same syscall on other architectures
- x64 289
- x86 327
- arm64 74
- arm 355
- riscv64 74
- x32 1073742113
- loongarch64 74
- ppc64 313
- ppc 313
- s390x 322
- mips64 5283
- mipsn32 6287
- mipso32 4324
- alpha 484
- arc 74
- csky 74
- hexagon 74
- m68k 323
- microblaze 339
- nios2 74
- openrisc 74
- parisc 309
- sh 327
- sparc 317
- sparc64 317
Get this as JSON: https://api.syscall.sh/v2/syscalls/xtensa/signalfd4