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device: do not allow get to run while set runs

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2021-01-28 15:26:22 +01:00
parent 34c047c762
commit 6a128dde71
2 changed files with 7 additions and 3 deletions
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3
device/device.go
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@ -23,7 +23,6 @@ type Device struct {
isUp AtomicBool // device is (going) up
isClosed AtomicBool // device is closed? (acting as guard)
log *Logger
ipcSetMu sync.Mutex // serializes UAPI set operations
// synchronized resources (locks acquired in order)
@ -89,6 +88,8 @@ type Device struct {
device tun.Device
mtu int32
}
ipcMutex sync.RWMutex
}
// An encryptionQueue is a channel of QueueOutboundElements awaiting encryption.