Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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Helper functions

Boost.Context provides easy access to the stack related limits defined by the environment.

std::size_t default_stacksize();

std::size_t minimum_stacksize();

std::size_t maximum_stacksize();

bool is_stack_unbound();

std::size_t pagesize();

std::size_t page_count( std::size_t stacksize);
std::size_t default_stacksize()

Returns:

Returns a default stack size, which may be platform specific. The present implementation returns a value of 256 kB.

std::size_t minimum_stacksize()

Returns:

Returns the minimum size in bytes of stack defined by the environment.

Throws:

Nothing.

std::size_t maximum_stacksize()

Preconditions:

is_stack_unbound() returns false.

Returns:

Returns the maximum size in bytes of stack defined by the environment.

Throws:

Nothing.

bool is_stack_unbound()

Returns:

Returns true if the environment defines no limit for the size of a stack.

Throws:

Nothing.

std::size_t pagesize()

Returns:

Returns how many bytes the operating system allocates for one page.

Throws:

Nothing.

std::size_t page_count( std::size_t stacksize)

Returns:

Returns how many pages have to be allocated for a stack of stacksize bytes.

Throws:

Nothing.


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