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/**
* The thread module provides support for thread creation and management.
*
* Copyright: Copyright Sean Kelly 2005 - 2012.
* License: Distributed under the
* $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0).
* (See accompanying file LICENSE)
* Authors: Sean Kelly, Walter Bright, Alex Rønne Petersen, Martin Nowak
* Source: $(DRUNTIMESRC core/thread/context.d)
*/
module core.thread.context;
struct StackContext
{
void* bstack, tstack;
/// Slot for the EH implementation to keep some state for each stack
/// (will be necessary for exception chaining, etc.). Opaque as far as
/// we are concerned here.
void* ehContext;
StackContext* within;
StackContext* next, prev;
}
struct Callable
{
void opAssign(void function() fn) pure nothrow @nogc @safe
{
() @trusted { m_fn = fn; }();
m_type = Call.FN;
}
void opAssign(void delegate() dg) pure nothrow @nogc @safe
{
() @trusted { m_dg = dg; }();
m_type = Call.DG;
}
void opCall()
{
switch (m_type)
{
case Call.FN:
m_fn();
break;
case Call.DG:
m_dg();
break;
default:
break;
}
}
private:
enum Call
{
NO,
FN,
DG
}
Call m_type = Call.NO;
union
{
void function() m_fn;
void delegate() m_dg;
}
}
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