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8ee568cde7
Workaround a interface problem with the atomic macros that was causing warnings. The correct type is retrieved using typeof if compiling with GCC.
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/* Copyright (C) 2008 MySQL AB, 2009 Sun Microsystems, Inc
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef _atomic_h_cleanup_
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#define _atomic_h_cleanup_ "atomic/solaris.h"
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#include <atomic.h>
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#define MY_ATOMIC_MODE "solaris-atomic"
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#if defined(__GNUC__)
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#define atomic_typeof(T,V) __typeof__(V)
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#else
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#define atomic_typeof(T,V) T
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#endif
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#define uintptr_t void *
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#define atomic_or_ptr_nv(X,Y) (void *)atomic_or_ulong_nv((volatile ulong_t *)X, Y)
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#define make_atomic_cas_body(S) \
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atomic_typeof(uint ## S ## _t, *cmp) sav; \
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sav = atomic_cas_ ## S( \
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(volatile uint ## S ## _t *)a, \
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(uint ## S ## _t)*cmp, \
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(uint ## S ## _t)set); \
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if (! (ret= (sav == *cmp))) \
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*cmp= sav;
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#define make_atomic_add_body(S) \
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int ## S nv; /* new value */ \
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nv= atomic_add_ ## S ## _nv((volatile uint ## S ## _t *)a, v); \
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v= nv - v
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/* ------------------------------------------------------------------------ */
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#ifdef MY_ATOMIC_MODE_DUMMY
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#define make_atomic_load_body(S) ret= *a
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#define make_atomic_store_body(S) *a= v
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#else /* MY_ATOMIC_MODE_DUMMY */
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#define make_atomic_load_body(S) \
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ret= atomic_or_ ## S ## _nv((volatile uint ## S ## _t *)a, 0)
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#define make_atomic_store_body(S) \
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(void) atomic_swap_ ## S((volatile uint ## S ## _t *)a, (uint ## S ## _t)v)
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#endif
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#define make_atomic_fas_body(S) \
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v= atomic_swap_ ## S((volatile uint ## S ## _t *)a, (uint ## S ## _t)v)
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#else /* cleanup */
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#undef uintptr_t
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#undef atomic_or_ptr_nv
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#endif
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