mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-27 14:50:23 +00:00
113 lines
4.1 KiB
C
113 lines
4.1 KiB
C
/* pedigrees.c -*-C-*-
|
|
*
|
|
*************************************************************************
|
|
*
|
|
* @copyright
|
|
* Copyright (C) 2007-2013, Intel Corporation
|
|
* All rights reserved.
|
|
*
|
|
* @copyright
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* @copyright
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
|
|
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
**************************************************************************/
|
|
|
|
#include "pedigrees.h"
|
|
#include "local_state.h"
|
|
|
|
/*************************************************************
|
|
Pedigree API code.
|
|
*************************************************************/
|
|
|
|
/*
|
|
* C99 requires that every inline function with external linkage have one
|
|
* extern declaration in the program (with the inline definition in scope).
|
|
*/
|
|
COMMON_PORTABLE
|
|
extern void update_pedigree_on_leave_frame(__cilkrts_worker *w,
|
|
__cilkrts_stack_frame *sf);
|
|
|
|
void __cilkrts_set_pedigree_leaf(__cilkrts_pedigree *leaf)
|
|
{
|
|
__cilkrts_set_tls_pedigree_leaf(leaf);
|
|
}
|
|
|
|
void load_pedigree_leaf_into_user_worker(__cilkrts_worker *w)
|
|
{
|
|
__cilkrts_pedigree *pedigree_leaf;
|
|
CILK_ASSERT(w->l->type == WORKER_USER);
|
|
pedigree_leaf = __cilkrts_get_tls_pedigree_leaf(1);
|
|
w->pedigree = *pedigree_leaf;
|
|
|
|
// Save a pointer to the old leaf.
|
|
// We'll need to restore it later.
|
|
CILK_ASSERT(w->l->original_pedigree_leaf == NULL);
|
|
w->l->original_pedigree_leaf = pedigree_leaf;
|
|
|
|
__cilkrts_set_tls_pedigree_leaf(&w->pedigree);
|
|
|
|
// Check that this new pedigree root has at least two values.
|
|
CILK_ASSERT(w->pedigree.parent);
|
|
CILK_ASSERT(w->pedigree.parent->parent == NULL);
|
|
}
|
|
|
|
void save_pedigree_leaf_from_user_worker(__cilkrts_worker *w)
|
|
{
|
|
CILK_ASSERT(w->l->type == WORKER_USER);
|
|
|
|
// Existing leaf in tls should be for the current worker.
|
|
// This assert is expensive to check though.
|
|
// CILK_ASSERT(&w->pedigree == __cilkrts_get_tls_pedigree_leaf(0));
|
|
CILK_ASSERT(w->l->original_pedigree_leaf);
|
|
|
|
// w should finish with a pedigree node that points to
|
|
// the same root that we just looked up.
|
|
|
|
// TODO: This assert should be valid.
|
|
// But we are removing it now to make exceptions (without pedigrees) work.
|
|
// Currently, reading the pedigree after an exception is caught
|
|
// fails because the pedigree chain not restored correctly.
|
|
// CILK_ASSERT(w->l->original_pedigree_leaf->next == w->pedigree.parent);
|
|
w->l->original_pedigree_leaf->rank = w->pedigree.rank;
|
|
|
|
// Save that leaf pointer back into tls.
|
|
__cilkrts_set_tls_pedigree_leaf(w->l->original_pedigree_leaf);
|
|
// Null out worker's leaf for paranoia.
|
|
w->l->original_pedigree_leaf = NULL;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
Local Variables: **
|
|
c-file-style:"bsd" **
|
|
c-basic-offset:4 **
|
|
indent-tabs-mode:nil **
|
|
End: **
|
|
*/
|