| // Copyright 2018 The gVisor Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // +build linux,!amd64,!arm64 |
| |
| package rawfile |
| |
| import ( |
| "syscall" |
| "unsafe" |
| ) |
| |
| // BlockingPoll is just a stub function that forwards to the ppoll() system call |
| // on non-amd64 and non-arm64 platforms. |
| func BlockingPoll(fds *PollEvent, nfds int, timeout *syscall.Timespec) (int, syscall.Errno) { |
| n, _, e := syscall.Syscall6(syscall.SYS_PPOLL, uintptr(unsafe.Pointer(fds)), |
| uintptr(nfds), uintptr(unsafe.Pointer(timeout)), 0, 0, 0) |
| |
| return int(n), e |
| } |
