diff options
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 { |