libcilkrts/runtime/local_state.c

   1 /* local_state.c                  -*-C++-*-
   2  *
   3  *************************************************************************
   4  *
   5  *  Copyright (C) 2010-2016, Intel Corporation
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  13  *      notice, this list of conditions and the following disclaimer.
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  22  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  37  *  PLEASE NOTE: This file is a downstream copy of a file mainitained in
  38  *  a repository at cilkplus.org. Changes made to this file that are not
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  44  *  not tracked.
  45  *
  46  *  We welcome your contributions to this open source project. Thank you
  47  *  for your assistance in helping us improve Cilk Plus.
  48  *
  49  **************************************************************************/
  50
  51 #include "local_state.h"
  52 #include "bug.h"
  53 #include "full_frame.h"
  54
  55 void run_scheduling_stack_fcn(__cilkrts_worker *w)
  56 {
  57     scheduling_stack_fcn_t fcn = w->l->post_suspend;
  58     full_frame *ff2 = w->l->frame_ff;
  59     __cilkrts_stack_frame *sf2 = w->l->suspended_stack;
  60
  61     w->l->post_suspend = 0;
  62     w->l->suspended_stack = 0;
  63
  64     // Conceptually, after clearing w->l->frame_ff,
  65     // w no longer owns the full frame ff.
  66     // The next time another (possibly different) worker takes
  67     // ownership of ff will be at a provably_good_steal on ff.
  68     w->l->frame_ff = NULL;
  69
  70     CILK_ASSERT(fcn);
  71     CILK_ASSERT(ff2);
  72     fcn(w, ff2, sf2);
  73
  74     // After we run the scheduling stack function, we shouldn't
  75     // (still) not have a full frame.
  76     CILK_ASSERT(NULL == w->l->frame_ff);
  77 }
  78
  79 /* End local_state.c */