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consensus/ethash: close mmap before rename, windows limitation

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Péter Szilágyi
2017-04-14 11:32:47 +03:00
parent ee05cc4a27
commit 65e1095c3f
1 changed files with 8 additions and 5 deletions
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13
consensus/ethash/ethash.go
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@@ -130,13 +130,16 @@ func memoryMapAndGenerate(path string, size uint64, generator func(buffer []uint
data := buffer[len(dumpMagic):] data := buffer[len(dumpMagic):]
generator(data) generator(data)
if err := mem.Flush(); err != nil { if err := mem.Unmap(); err != nil {
mem.Unmap()
dump.Close()
return nil, nil, nil, err return nil, nil, nil, err
} }
os.Rename(temp, path) if err := dump.Close(); err != nil {
return dump, mem, data, nil return nil, nil, nil, err
}
if err := os.Rename(temp, path); err != nil {
return nil, nil, nil, err
}
return memoryMap(path)
} }
// cache wraps an ethash cache with some metadata to allow easier concurrent use. // cache wraps an ethash cache with some metadata to allow easier concurrent use.