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Diffstat (limited to 'gcell/src/include/gc_jd_queue_data.h')
| -rw-r--r-- | gcell/src/include/gc_jd_queue_data.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcell/src/include/gc_jd_queue_data.h b/gcell/src/include/gc_jd_queue_data.h new file mode 100644 index 000000000..d48591bd2 --- /dev/null +++ b/gcell/src/include/gc_jd_queue_data.h @@ -0,0 +1,51 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef INCLUDED_GC_JD_QUEUE_DATA_H +#define INCLUDED_GC_JD_QUEUE_DATA_H + +#include "gc_types.h" +#include "gc_job_desc.h" + +__GC_BEGIN_DECLS + +/*! + * \brief (Lock free someday...) queue for job descriptors + * + * This is the main data structure shared between PPEs and SPEs. + * It is used to enqueue work for SPEs. SPEs or PPEs may enqueue + * work. SPE's dequeue from here. + * + * FIXME make it lock free ;) For now, use a spin lock. + */ +typedef struct gc_jd_queue +{ + gc_eaddr_t head _AL16; + gc_eaddr_t tail _AL16; + uint32_t mutex; // libsync mutex (spin lock) +} gc_jd_queue_t; + + +__GC_END_DECLS + +#endif /* INCLUDED_GC_JD_QUEUE_DATA_H */ + + |