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38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#define INTERLOCKED_AND8 __sync_fetch_and_and
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#define INTERLOCKED_OR8 __sync_fetch_and_or
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#define INTERLOCKED_INC(x) __sync_fetch_and_add((x), 1)
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#define INTERLOCKED_DEC(x) __sync_fetch_and_sub((x), 1)
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#define INTERLOCKED_GET(x) __sync_fetch_and_add((x), 0)
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#define INTERLOCKED_CE(x, c, v) __sync_val_compare_and_swap((x), (c), (v))
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#define INTERLOCKED_ENTER(lock) \
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while(__sync_lock_test_and_set(&(lock), 1)) while((lock));
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#define INTERLOCKED_EXIT(lock) \
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__sync_lock_release(&(lock));
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#define INTERLOCKED_SECTION(lock, x) \
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while(__sync_lock_test_and_set(&(lock), 1)) while((lock)); \
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x\
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__sync_lock_release(&(lock));
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