diff options
| author | gVisor bot <gvisor-bot@google.com> | 2021-09-14 21:16:17 +0000 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-09-14 21:16:17 +0000 |
| commit | eeb5d2452cbb46b41cb3168069f80fcf10102d45 (patch) | |
| tree | 3b0bd5e43bd69d51b11d65609ecfe275145b276f /pkg/tcpip/link | |
| parent | b0ca50dee0a64f94565f381239fabb24607b2947 (diff) | |
| parent | 603f473ada5f5cacc759c8810df01f47905ba5e9 (diff) | |
Merge release-20210906.0-19-g603f473ad (automated)
Diffstat (limited to 'pkg/tcpip/link')
| -rw-r--r-- | pkg/tcpip/link/rawfile/blockingpoll_amd64.s | 2 | ||||
| -rw-r--r-- | pkg/tcpip/link/rawfile/blockingpoll_arm64.s | 2 | ||||
| -rw-r--r-- | pkg/tcpip/link/rawfile/rawfile_unsafe.go | 16 |
3 files changed, 17 insertions, 3 deletions
diff --git a/pkg/tcpip/link/rawfile/blockingpoll_amd64.s b/pkg/tcpip/link/rawfile/blockingpoll_amd64.s index 298bad55d..f2c230720 100644 --- a/pkg/tcpip/link/rawfile/blockingpoll_amd64.s +++ b/pkg/tcpip/link/rawfile/blockingpoll_amd64.s @@ -27,7 +27,7 @@ TEXT ·BlockingPoll(SB),NOSPLIT,$0-40 MOVQ $0x0, R10 // sigmask parameter which isn't used here MOVQ $0x10f, AX // SYS_PPOLL SYSCALL - CMPQ AX, $0xfffffffffffff001 + CMPQ AX, $0xfffffffffffff002 JLS ok MOVQ $-1, n+24(FP) NEGQ AX diff --git a/pkg/tcpip/link/rawfile/blockingpoll_arm64.s b/pkg/tcpip/link/rawfile/blockingpoll_arm64.s index b62888b93..8807586c7 100644 --- a/pkg/tcpip/link/rawfile/blockingpoll_arm64.s +++ b/pkg/tcpip/link/rawfile/blockingpoll_arm64.s @@ -27,7 +27,7 @@ TEXT ·BlockingPoll(SB),NOSPLIT,$0-40 MOVD $0x0, R3 // sigmask parameter which isn't used here MOVD $0x49, R8 // SYS_PPOLL SVC - CMP $0xfffffffffffff001, R0 + CMP $0xfffffffffffff002, R0 BLS ok MOVD $-1, R1 MOVD R1, n+24(FP) diff --git a/pkg/tcpip/link/rawfile/rawfile_unsafe.go b/pkg/tcpip/link/rawfile/rawfile_unsafe.go index e76fc55b6..87a0b9a62 100644 --- a/pkg/tcpip/link/rawfile/rawfile_unsafe.go +++ b/pkg/tcpip/link/rawfile/rawfile_unsafe.go @@ -181,7 +181,9 @@ func BlockingReadvUntilStopped(efd int, fd int, iovecs []unix.Iovec) (int, tcpip if e == 0 { return int(n), nil } - + if e != 0 && e != unix.EWOULDBLOCK { + return 0, TranslateErrno(e) + } stopped, e := BlockingPollUntilStopped(efd, fd, unix.POLLIN) if stopped { return -1, nil @@ -204,6 +206,10 @@ func BlockingRecvMMsgUntilStopped(efd int, fd int, msgHdrs []MMsgHdr) (int, tcpi return int(n), nil } + if e != 0 && e != unix.EWOULDBLOCK { + return 0, TranslateErrno(e) + } + stopped, e := BlockingPollUntilStopped(efd, fd, unix.POLLIN) if stopped { return -1, nil @@ -228,5 +234,13 @@ func BlockingPollUntilStopped(efd int, fd int, events int16) (bool, unix.Errno) }, } _, errno := BlockingPoll(&pevents[0], len(pevents), nil) + if errno != 0 { + return pevents[0].Revents&unix.POLLIN != 0, errno + } + + if pevents[1].Revents&unix.POLLHUP != 0 || pevents[1].Revents&unix.POLLERR != 0 { + errno = unix.ECONNRESET + } + return pevents[0].Revents&unix.POLLIN != 0, errno } |