1 /* local_state.c                  -*-C++-*-
2  *
3  *************************************************************************
4  *
5  *  @copyright
6  *  Copyright (C) 2010-2013, Intel Corporation
7  *  All rights reserved.
8  *
9  *  @copyright
10  *  Redistribution and use in source and binary forms, with or without
11  *  modification, are permitted provided that the following conditions
12  *  are met:
13  *
14  *    * Redistributions of source code must retain the above copyright
15  *      notice, this list of conditions and the following disclaimer.
16  *    * Redistributions in binary form must reproduce the above copyright
17  *      notice, this list of conditions and the following disclaimer in
18  *      the documentation and/or other materials provided with the
19  *      distribution.
20  *    * Neither the name of Intel Corporation nor the names of its
21  *      contributors may be used to endorse or promote products derived
22  *      from this software without specific prior written permission.
23  *
24  *  @copyright
25  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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31  *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
32  *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
33  *  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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35  *  WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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38  **************************************************************************/
39 
40 #include "local_state.h"
41 #include "bug.h"
42 #include "full_frame.h"
43 
run_scheduling_stack_fcn(__cilkrts_worker * w)44 void run_scheduling_stack_fcn(__cilkrts_worker *w)
45 {
46     scheduling_stack_fcn_t fcn = w->l->post_suspend;
47     full_frame *ff2 = w->l->frame_ff;
48     __cilkrts_stack_frame *sf2 = w->l->suspended_stack;
49 
50     w->l->post_suspend = 0;
51     w->l->suspended_stack = 0;
52 
53     // Conceptually, after clearing w->l->frame_ff,
54     // w no longer owns the full frame ff.
55     // The next time another (possibly different) worker takes
56     // ownership of ff will be at a provably_good_steal on ff.
57     w->l->frame_ff = NULL;
58 
59     CILK_ASSERT(fcn);
60     CILK_ASSERT(ff2);
61     fcn(w, ff2, sf2);
62 
63     // After we run the scheduling stack function, we shouldn't
64     // (still) not have a full frame.
65     CILK_ASSERT(NULL == w->l->frame_ff);
66 }
67 
68 /* End local_state.c */
69