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74ed589042
Updates #17852 Change-Id: I42a64a990dcc8f708fa23a516a40731a19967aba Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
24 lines
610 B
Go
24 lines
610 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build !ts_mutex_debug
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package syncs
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import "sync"
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// Mutex is an alias for sync.Mutex.
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//
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// It's only not a sync.Mutex when built with the ts_mutex_debug build tag.
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type Mutex = sync.Mutex
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// RWMutex is an alias for sync.RWMutex.
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//
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// It's only not a sync.RWMutex when built with the ts_mutex_debug build tag.
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type RWMutex = sync.RWMutex
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// RequiresMutex declares the caller assumes it has the given
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// mutex held. In non-debug builds, it's a no-op and compiles to
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// nothing.
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func RequiresMutex(mu *sync.Mutex) {}
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