diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/link/internal/ld/outbuf_windows.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/cmd/link/internal/ld/outbuf_windows.go b/src/cmd/link/internal/ld/outbuf_windows.go index 915c72bef3..a568a17011 100644 --- a/src/cmd/link/internal/ld/outbuf_windows.go +++ b/src/cmd/link/internal/ld/outbuf_windows.go @@ -59,6 +59,18 @@ func (out *OutBuf) munmap() { if err != nil { Exitf("FlushViewOfFile failed: %v", err) } + // Issue 44817: apparently the call below may be needed (according + // to the Windows docs) in addition to the FlushViewOfFile call + // above, " ... to flush all the dirty pages plus the metadata for + // the file and ensure that they are physically written to disk". + // Windows DOC links: + // + // https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-flushviewoffile + // https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-flushfilebuffers + err = syscall.FlushFileBuffers(syscall.Handle(out.f.Fd())) + if err != nil { + Exitf("FlushFileBuffers failed: %v", err) + } err = syscall.UnmapViewOfFile(uintptr(unsafe.Pointer(&out.buf[0]))) out.buf = nil if err != nil { |