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std::promise::set_exception

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Revision as of 20:14, 2 November 2012 by P12bot (Talk | contribs)

void set_exception( std::exception_ptr p );
(since C++11)

Stores the exception pointer p into the shared state and makes the state ready.

The operation is atomic, i.e. it behaves as though they acquire a single mutex associated with the promise object while updating the promise object.

An exception is thrown if there is no shared state or the shared state already stores a value or exception.

Contents

Parameters

p - exception pointer to store

Return value

(none)

Exceptions

std::future_error on the following conditions:

  • *this has no shared state. The error category is set to no_state.

Example

See also

Template:cpp/thread/promise/dcl list set exception at thread exit