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1 /* local_state.c -*-C++-*-
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2 *
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3 *************************************************************************
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4 *
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5 * Copyright (C) 2010-2016, Intel Corporation
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6 * All rights reserved.
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions
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10 * are met:
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11 *
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12 * * Redistributions of source code must retain the above copyright
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13 * notice, this list of conditions and the following disclaimer.
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14 * * Redistributions in binary form must reproduce the above copyright
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15 * notice, this list of conditions and the following disclaimer in
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16 * the documentation and/or other materials provided with the
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17 * distribution.
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18 * * Neither the name of Intel Corporation nor the names of its
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19 * contributors may be used to endorse or promote products derived
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20 * from this software without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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26 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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29 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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32 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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33 * POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 * *********************************************************************
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36 *
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37 * PLEASE NOTE: This file is a downstream copy of a file mainitained in
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38 * a repository at cilkplus.org. Changes made to this file that are not
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39 * submitted through the contribution process detailed at
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40 * http://www.cilkplus.org/submit-cilk-contribution will be lost the next
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41 * time that a new version is released. Changes only submitted to the
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42 * GNU compiler collection or posted to the git repository at
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43 * https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are
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44 * not tracked.
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45 *
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46 * We welcome your contributions to this open source project. Thank you
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47 * for your assistance in helping us improve Cilk Plus.
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48 *
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49 **************************************************************************/
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50
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51 #include "local_state.h"
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52 #include "bug.h"
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53 #include "full_frame.h"
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54
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55 void run_scheduling_stack_fcn(__cilkrts_worker *w)
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56 {
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57 scheduling_stack_fcn_t fcn = w->l->post_suspend;
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58 full_frame *ff2 = w->l->frame_ff;
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59 __cilkrts_stack_frame *sf2 = w->l->suspended_stack;
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60
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61 w->l->post_suspend = 0;
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62 w->l->suspended_stack = 0;
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63
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64 // Conceptually, after clearing w->l->frame_ff,
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65 // w no longer owns the full frame ff.
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66 // The next time another (possibly different) worker takes
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67 // ownership of ff will be at a provably_good_steal on ff.
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68 w->l->frame_ff = NULL;
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69
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70 CILK_ASSERT(fcn);
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71 CILK_ASSERT(ff2);
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72 fcn(w, ff2, sf2);
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73
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74 // After we run the scheduling stack function, we shouldn't
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75 // (still) not have a full frame.
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76 CILK_ASSERT(NULL == w->l->frame_ff);
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77 }
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78
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79 /* End local_state.c */
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