| /* os.h -*-C++-*- |
| * |
| ************************************************************************* |
| * |
| * @copyright |
| * Copyright (C) 2009-2013, 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 |
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| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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| **************************************************************************/ |
| |
| /* |
| * void __cilkrts_fence(void) |
| * |
| * Executes an MFENCE instruction to serialize all load and store instructions |
| * that were issued prior the MFENCE instruction. This serializing operation |
| * guarantees that every load and store instruction that precedes the MFENCE |
| * instruction is globally visible before any load or store instruction that |
| * follows the MFENCE instruction. The MFENCE instruction is ordered with |
| * respect to all load and store instructions, other MFENCE instructions, any |
| * SFENCE and LFENCE instructions, and any serializing instructions (such as |
| * the CPUID instruction). |
| */ |
| |
| COMMON_SYSDEP void __cilkrts_fence(void); ///< MFENCE instruction |
| |
