syscall.sh / xtensa / poll
poll
wait for some event on a file descriptor
sys_poll(struct pollfd *ufds, unsigned int nfds, int timeout_msecs)| number | 16 (0x10) |
|---|---|
| abi | common |
| entry point | sys_poll |
| since | Linux 5.0 |
| man page | poll(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
a2 | 16, the syscall number |
a6 | struct pollfd *ufds |
a3 | unsigned int nfds |
a4 | int timeout_msecs |
a2 | the return value |
Then run syscall to enter the kernel.
Same syscall on other architectures
- x64 7
- x86 168
- arm 168
- x32 1073741831
- ppc64 167
- ppc 167
- s390x 168
- mips64 5007
- mipsn32 6007
- mipso32 4188
- alpha 94
- m68k 168
- microblaze 168
- parisc 168
- sh 168
- sparc 153
- sparc64 153
Get this as JSON: https://api.syscall.sh/v2/syscalls/xtensa/poll