diff options
author | gVisor bot <gvisor-bot@google.com> | 2021-01-11 21:27:53 +0000 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2021-01-11 21:27:53 +0000 |
commit | e524c21569616484e3209be952dd90636209419e (patch) | |
tree | d425976e5c7d7499187b93feb31d97fbd11408bf /pkg/sentry/kernel/epoll | |
parent | 3ff3110fcdd696053e8cafc807f2409fe1269cce (diff) | |
parent | 4c4de66443174f2ed7f4fa533a1d09c709be9427 (diff) |
Merge release-20201216.0-82-g4c4de6644 (automated)
Diffstat (limited to 'pkg/sentry/kernel/epoll')
-rw-r--r-- | pkg/sentry/kernel/epoll/epoll_list.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/epoll/epoll_list.go b/pkg/sentry/kernel/epoll/epoll_list.go index 56d05c770..b6abe2de9 100644 --- a/pkg/sentry/kernel/epoll/epoll_list.go +++ b/pkg/sentry/kernel/epoll/epoll_list.go @@ -38,16 +38,22 @@ func (l *pollEntryList) Reset() { } // Empty returns true iff the list is empty. +// +//go:nosplit func (l *pollEntryList) Empty() bool { return l.head == nil } // Front returns the first element of list l or nil. +// +//go:nosplit func (l *pollEntryList) Front() *pollEntry { return l.head } // Back returns the last element of list l or nil. +// +//go:nosplit func (l *pollEntryList) Back() *pollEntry { return l.tail } @@ -55,6 +61,8 @@ func (l *pollEntryList) Back() *pollEntry { // Len returns the number of elements in the list. // // NOTE: This is an O(n) operation. +// +//go:nosplit func (l *pollEntryList) Len() (count int) { for e := l.Front(); e != nil; e = (pollEntryElementMapper{}.linkerFor(e)).Next() { count++ @@ -63,6 +71,8 @@ func (l *pollEntryList) Len() (count int) { } // PushFront inserts the element e at the front of list l. +// +//go:nosplit func (l *pollEntryList) PushFront(e *pollEntry) { linker := pollEntryElementMapper{}.linkerFor(e) linker.SetNext(l.head) @@ -77,6 +87,8 @@ func (l *pollEntryList) PushFront(e *pollEntry) { } // PushBack inserts the element e at the back of list l. +// +//go:nosplit func (l *pollEntryList) PushBack(e *pollEntry) { linker := pollEntryElementMapper{}.linkerFor(e) linker.SetNext(nil) @@ -91,6 +103,8 @@ func (l *pollEntryList) PushBack(e *pollEntry) { } // PushBackList inserts list m at the end of list l, emptying m. +// +//go:nosplit func (l *pollEntryList) PushBackList(m *pollEntryList) { if l.head == nil { l.head = m.head @@ -106,6 +120,8 @@ func (l *pollEntryList) PushBackList(m *pollEntryList) { } // InsertAfter inserts e after b. +// +//go:nosplit func (l *pollEntryList) InsertAfter(b, e *pollEntry) { bLinker := pollEntryElementMapper{}.linkerFor(b) eLinker := pollEntryElementMapper{}.linkerFor(e) @@ -124,6 +140,8 @@ func (l *pollEntryList) InsertAfter(b, e *pollEntry) { } // InsertBefore inserts e before a. +// +//go:nosplit func (l *pollEntryList) InsertBefore(a, e *pollEntry) { aLinker := pollEntryElementMapper{}.linkerFor(a) eLinker := pollEntryElementMapper{}.linkerFor(e) @@ -141,6 +159,8 @@ func (l *pollEntryList) InsertBefore(a, e *pollEntry) { } // Remove removes e from l. +// +//go:nosplit func (l *pollEntryList) Remove(e *pollEntry) { linker := pollEntryElementMapper{}.linkerFor(e) prev := linker.Prev() @@ -173,21 +193,29 @@ type pollEntryEntry struct { } // Next returns the entry that follows e in the list. +// +//go:nosplit func (e *pollEntryEntry) Next() *pollEntry { return e.next } // Prev returns the entry that precedes e in the list. +// +//go:nosplit func (e *pollEntryEntry) Prev() *pollEntry { return e.prev } // SetNext assigns 'entry' as the entry that follows e in the list. +// +//go:nosplit func (e *pollEntryEntry) SetNext(elem *pollEntry) { e.next = elem } // SetPrev assigns 'entry' as the entry that precedes e in the list. +// +//go:nosplit func (e *pollEntryEntry) SetPrev(elem *pollEntry) { e.prev = elem } |