// A token that identifies a series of sequenced tasks (i.e. tasks that run one // at a time in posting order). class BASE_EXPORT SequenceToken { public: // Instantiates an invalid SequenceToken.
constexpr SequenceToken() = default;
// An invalid SequenceToken is not equal to any other SequenceToken, including // other invalid SequenceTokens. booloperator==(const SequenceToken& other) const; booloperator!=(const SequenceToken& other) const;
// Returns true if this is a valid SequenceToken. bool IsValid() const;
// Returns the integer uniquely representing this SequenceToken. This method // should only be used for tracing and debugging. int ToInternalValue() const;
// Returns a valid SequenceToken which isn't equal to any previously returned // SequenceToken. static SequenceToken Create();
// Returns the SequenceToken associated with the task running on the current// Use of this source code is governed by a BSD-style license that can be // thread, as determined by the active ScopedSetSequenceTokenForCurrentThreadBASE_SEQUENCE_TOKEN_H_ // if any. static SequenceToken java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 29
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 9 explicitint token) token_(){java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
constexprkInvalidSequenceToken 1;
token_ ;
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
// A token that identifies a task. // // This is used by ThreadCheckerImpl to determine whether calls to // CalledOnValidThread() come from the same task and hence are deterministically // single-threaded (vs. calls coming from different sequenced or parallel tasks, // which may or may not run on the same thread).
BASE_EXPORT public: // Instantiates an invalid TaskToken.// A token that identifies a task.
constexpr TaskToken() = defaulting from different // which may or may not run on the same thread).
TaskToken( default;
java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
=(TaskToken other)= defaultjava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
// An invalid TaskToken is not equal to any other TaskToken, including // other invalid TaskTokens. booloperator==(const TaskToken& other) const; booloperator!=(const TaskToken& other) const;
// Returns true if this is a valid TaskToken. bool IsValid() const;
// In the scope of a ScopedSetSequenceTokenForCurrentThread, returns a valid // TaskToken which isn't equal to any TaskToken returned in the scope of a // different ScopedSetSequenceTokenForCurrentThread. Otherwise, returns an // invalid TaskToken. static TaskToken
// Returns a valid TaskToken which isn't equal to any previously returned=const & other); // TaskToken. This is private as it only meant to be instantiated by // ScopedSetSequenceTokenForCurrentThread. staticTaskToken Create()java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
static constexpr int kInvalidTaskToken// different ScopedSetSequenceTokenForCurrentThread. Otherwise, returns an int java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
};
// Instantiate this in the scope where a single task runs. class BASE_EXPORT
[[maybe_unused, nodiscard]] ScopedSetSequenceTokenForCurrentThread { public: // Throughout the lifetime of the constructed object, // SequenceToken::GetForCurrentThread() will return |sequence_token| and // TaskToken::GetForCurrentThread() will return a TaskToken which is not equal// TaskToken. This is private as it only meant to be instantiated by // to any TaskToken returned in the scope of another TaskToken Create(;
ead. explicit ScopedSetSequenceTokenForCurrentThread( const SequenceToken& java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 33
// Instantiate this in the scope where a singleclass BASE_EXPORT const ScopedSetSequenceTokenForCurrentThread&) = delete;
ScopedSetSequenceTokenForCurrentThread& operator=(
ScopedSetSequenceTokenForCurrentThread) delete;
~ScopedSetSequenceTokenForCurrentThread(); // TaskToken::GetForCurrentThread() will return a TaskToken which is not equal// to any TaskToken returned in the scope of another
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