libcilkrts/runtime/local_state.c

/* local_state.c                  -*-C++-*-
 *
 *************************************************************************
 *
 *  @copyright
 *  Copyright (C) 2010-2013, Intel Corporation
 *  All rights reserved.
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 *  @copyright
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 *      notice, this list of conditions and the following disclaimer.
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 *      distribution.
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 *      contributors may be used to endorse or promote products derived
 *      from this software without specific prior written permission.
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 **************************************************************************/

#include "local_state.h"
#include "bug.h"
#include "full_frame.h"

void run_scheduling_stack_fcn(__cilkrts_worker *w)
{
    scheduling_stack_fcn_t fcn = w->l->post_suspend;
    full_frame *ff2 = w->l->frame_ff;
    __cilkrts_stack_frame *sf2 = w->l->suspended_stack;

    w->l->post_suspend = 0;
    w->l->suspended_stack = 0;

    // Conceptually, after clearing w->l->frame_ff,
    // w no longer owns the full frame ff.
    // The next time another (possibly different) worker takes
    // ownership of ff will be at a provably_good_steal on ff. 
    w->l->frame_ff = NULL;

    CILK_ASSERT(fcn);
    CILK_ASSERT(ff2);
    fcn(w, ff2, sf2);

    // After we run the scheduling stack function, we shouldn't
    // (still) not have a full frame.
    CILK_ASSERT(NULL == w->l->frame_ff);
}

/* End local_state.c */