epoll_pwait on metag

wait for an I/O event on an epoll file descriptor

sys_epoll_pwait(int epfd, struct epoll_event *events, int maxevents, int timeout, const sigset_t *sigmask, size_t sigsetsize)
number22 (0x16)
abicommon
kconfigCONFIG_EPOLL
familyepoll see the whole family on metag
entry pointsys_epoll_pwait
sinceLinux 3.9 or earlier (3.9 is the first release scanned for metag)
man pageepoll_pwait(2)
sourceelixir.bootlin.com

Registers

registervalue
D1Re022, the syscall number
D1Ar1int epfd
D0Ar2struct epoll_event *events
D1Ar3int maxevents
D0Ar4int timeout
D1Ar5const sigset_t *sigmask
D0Ar6size_t sigsetsize
D0Re0the return value

Then run SWITCH #0x440001 to enter the kernel.

Values wider than one register are packed into consecutive arguments.

This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/metag/epoll_pwait?kernel=all