InterruptFS.WaitForReadInFlight
parent
fe14fa8f3e
commit
8010a8342d
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@ -17,6 +17,7 @@ package interruptfs
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import (
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"fmt"
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"os"
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"sync"
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"github.com/jacobsa/fuse"
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"github.com/jacobsa/fuse/fuseops"
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@ -42,10 +43,16 @@ var fooAttrs = fuseops.InodeAttributes{
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// Must be created with New.
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type InterruptFS struct {
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fuseutil.NotImplementedFileSystem
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mu sync.Mutex
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readInFlight bool
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readInFlightChanged sync.Cond
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}
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func New() (fs *InterruptFS) {
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fs = &InterruptFS{}
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fs.readInFlightChanged.L = &fs.mu
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return
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}
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@ -53,11 +60,16 @@ func New() (fs *InterruptFS) {
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// Public interface
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////////////////////////////////////////////////////////////////////////
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// Block until there is a read in flight.
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// Block until the first read is received.
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//
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// LOCKS_EXCLUDED(fs.mu)
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func (fs *InterruptFS) WaitForReadInFlight() {
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panic("TODO")
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fs.mu.Lock()
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defer fs.mu.Unlock()
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for !fs.readInFlight {
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fs.readInFlightChanged.Wait()
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}
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}
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////////////////////////////////////////////////////////////////////////
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