32 Thread support library [thread]

32.4 Threads [thread.threads]

32.4.2 Class thread [thread.thread.class]

32.4.2.5 Members [thread.thread.member]

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void swap(thread& x) noexcept;
1
#
Effects: Swaps the state of *this and x.
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bool joinable() const noexcept;
2
#
Returns: get_­id() != id().
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void join();
3
#
Effects: Blocks until the thread represented by *this has completed.
4
#
Synchronization: The completion of the thread represented by *this synchronizes with ([intro.multithread]) the corresponding successful join() return.
[ Note
:
Operations on *this are not synchronized.
— end note
 ]
5
#
Postconditions: The thread represented by *this has completed.
get_­id() == id().
6
#
Throws: system_­error when an exception is required ([thread.req.exception]).
7
#
Error conditions:
  • (7.1)
    resource_­deadlock_­would_­occur — if deadlock is detected or get_­id() == this_­thread​::​​get_­id().
  • (7.2)
    no_­such_­process — if the thread is not valid.
  • (7.3)
    invalid_­argument — if the thread is not joinable.
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void detach();
8
#
Effects: The thread represented by *this continues execution without the calling thread blocking.
When detach() returns, *this no longer represents the possibly continuing thread of execution.
When the thread previously represented by *this ends execution, the implementation releases any owned resources.
9
#
Postconditions: get_­id() == id().
10
#
Throws: system_­error when an exception is required ([thread.req.exception]).
11
#
Error conditions:
  • (11.1)
    no_­such_­process — if the thread is not valid.
  • (11.2)
    invalid_­argument — if the thread is not joinable.
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id get_id() const noexcept;
12
#
Returns: A default constructed id object if *this does not represent a thread, otherwise this_­thread​::​get_­id() for the thread of execution represented by *this.