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| author | Ian Lance Taylor <iant@golang.org> | 2019-09-06 18:12:46 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2019-09-06 18:12:46 +0000 |
| commit | aa8901e9bb0399d2c16f988ba2fe46eb0c0c5d13 (patch) | |
| tree | 7e63b06d1eec92beec6997c9d3ab47a5d6a835be /libgo/go/internal/poll/writev.go | |
| parent | 920ea3b8ba3164b61ac9490dfdfceb6936eda6dd (diff) | |
| download | gcc-aa8901e9bb0399d2c16f988ba2fe46eb0c0c5d13.zip gcc-aa8901e9bb0399d2c16f988ba2fe46eb0c0c5d13.tar.gz gcc-aa8901e9bb0399d2c16f988ba2fe46eb0c0c5d13.tar.bz2 | |
libgo: update to Go 1.13beta1 release
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/193497
From-SVN: r275473
Diffstat (limited to 'libgo/go/internal/poll/writev.go')
| -rw-r--r-- | libgo/go/internal/poll/writev.go | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libgo/go/internal/poll/writev.go b/libgo/go/internal/poll/writev.go index 04e3522..6050d1f 100644 --- a/libgo/go/internal/poll/writev.go +++ b/libgo/go/internal/poll/writev.go @@ -51,7 +51,10 @@ func (fd *FD) Writev(v *[][]byte) (int64, error) { if len(iovecs) == 0 { break } - fd.iovecs = &iovecs // cache + if fd.iovecs == nil { + fd.iovecs = new([]syscall.Iovec) + } + *fd.iovecs = iovecs // cache var wrote uintptr wrote, err = writev(fd.Sysfd, iovecs) @@ -61,6 +64,9 @@ func (fd *FD) Writev(v *[][]byte) (int64, error) { TestHookDidWritev(int(wrote)) n += int64(wrote) consume(v, int64(wrote)) + for i := range iovecs { + iovecs[i] = syscall.Iovec{} + } if err != nil { if err.(syscall.Errno) == syscall.EAGAIN { if err = fd.pd.waitWrite(fd.isFile); err == nil { |