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Diffstat (limited to 'libcilkrts/runtime/local_state.c')
-rw-r--r-- | libcilkrts/runtime/local_state.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libcilkrts/runtime/local_state.c b/libcilkrts/runtime/local_state.c new file mode 100644 index 00000000000..14ac8271936 --- /dev/null +++ b/libcilkrts/runtime/local_state.c @@ -0,0 +1,68 @@ +/* local_state.c -*-C++-*- + * + ************************************************************************* + * + * @copyright + * Copyright (C) 2010-2013, 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 "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 */ |