Added new file solaris.h

include/atomic/solaris.h

+/* Copyright (C) 2008 MySQL AB
+
+   This program 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; version 2 of the License.
+
+   This program 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <atomic.h>
+
+#define	MY_ATOMIC_MODE	"solaris-atomic"
+
+/*
+ * This is defined to indicate we fully define the my_atomic_* (inline)
+ * functions here, so there is no need to "make" them in my_atomic.h
+ * using make_atomic_* and make_atomic_*_body.
+ */
+#define	MY_ATOMICS_MADE
+
+STATIC_INLINE int
+my_atomic_cas8(int8 volatile *a, int8 *cmp, int8 set)
+{
+	int ret;
+	int8 sav;
+	sav = (int8) atomic_cas_8((volatile uint8_t *)a, (uint8_t)*cmp,
+		(uint8_t)set);
+	if (! (ret = (sav == *cmp)))
+		*cmp = sav;
+	return ret;
+}
+
+STATIC_INLINE int
+my_atomic_cas16(int16 volatile *a, int16 *cmp, int16 set)
+{
+	int ret;
+	int16 sav;
+	sav = (int16) atomic_cas_16((volatile uint16_t *)a, (uint16_t)*cmp,
+		(uint16_t)set);
+	if (! (ret = (sav == *cmp)))
+		*cmp = sav;
+	return ret;
+}
+
+STATIC_INLINE int
+my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
+{
+	int ret;
+	int32 sav;
+	sav = (int32) atomic_cas_32((volatile uint32_t *)a, (uint32_t)*cmp,
+		(uint32_t)set);
+	if (! (ret = (sav == *cmp)))
+		*cmp = sav;
+	return ret;
+}
+
+STATIC_INLINE int
+my_atomic_casptr(void * volatile *a, void **cmp, void *set)
+{
+	int ret;
+	void *sav;
+	sav = atomic_cas_ptr(a, *cmp, set);
+	if (! (ret = (sav == *cmp)))
+		*cmp = sav;
+	return ret;
+}
+
+/* ------------------------------------------------------------------------ */
+
+STATIC_INLINE int8
+my_atomic_add8(int8 volatile *a, int8 v)
+{
+	int8 nv;
+	nv = atomic_add_8_nv((volatile uint8_t *)a, v);
+	return (nv - v);
+}
+
+STATIC_INLINE int16
+my_atomic_add16(int16 volatile *a, int16 v)
+{
+	int16 nv;
+	nv = atomic_add_16_nv((volatile uint16_t *)a, v);
+	return (nv - v);
+}
+
+STATIC_INLINE int32
+my_atomic_add32(int32 volatile *a, int32 v)
+{
+	int32 nv;
+	nv = atomic_add_32_nv((volatile uint32_t *)a, v);
+	return (nv - v);
+}
+
+/* ------------------------------------------------------------------------ */
+
+#ifdef MY_ATOMIC_MODE_DUMMY
+
+STATIC_INLINE int8
+my_atomic_load8(int8 volatile *a)	{ return (*a); }
+
+STATIC_INLINE int16
+my_atomic_load16(int16 volatile *a)	{ return (*a); }
+
+STATIC_INLINE int32
+my_atomic_load32(int32 volatile *a)	{ return (*a); }
+
+STATIC_INLINE void *
+my_atomic_loadptr(void * volatile *a)	{ return (*a); }
+
+/* ------------------------------------------------------------------------ */
+
+STATIC_INLINE void
+my_atomic_store8(int8 volatile *a, int8 v)	{ *a = v; }
+
+STATIC_INLINE void
+my_atomic_store16(int16 volatile *a, int16 v)	{ *a = v; }
+
+STATIC_INLINE void
+my_atomic_store32(int32 volatile *a, int32 v)	{ *a = v; }
+
+STATIC_INLINE void
+my_atomic_storeptr(void * volatile *a, void *v)	{ *a = v; }
+
+/* ------------------------------------------------------------------------ */
+
+#else /* MY_ATOMIC_MODE_DUMMY */
+
+STATIC_INLINE int8
+my_atomic_load8(int8 volatile *a)
+{
+	return ((int8) atomic_or_8_nv((volatile uint8_t *)a, 0));
+}
+
+STATIC_INLINE int16
+my_atomic_load16(int16 volatile *a)
+{
+	return ((int16) atomic_or_16_nv((volatile uint16_t *)a, 0));
+}
+
+STATIC_INLINE int32
+my_atomic_load32(int32 volatile *a)
+{
+	return ((int32) atomic_or_32_nv((volatile uint32_t *)a, 0));
+}
+
+STATIC_INLINE void *
+my_atomic_loadptr(void * volatile *a)
+{
+	return ((void *) atomic_or_ulong_nv((volatile ulong_t *)a, 0));
+}
+
+/* ------------------------------------------------------------------------ */
+
+STATIC_INLINE void
+my_atomic_store8(int8 volatile *a, int8 v)
+{
+	(void) atomic_swap_8((volatile uint8_t *)a, (uint8_t)v);
+}
+
+STATIC_INLINE void
+my_atomic_store16(int16 volatile *a, int16 v)
+{
+	(void) atomic_swap_16((volatile uint16_t *)a, (uint16_t)v);
+}
+
+STATIC_INLINE void
+my_atomic_store32(int32 volatile *a, int32 v)
+{
+	(void) atomic_swap_32((volatile uint32_t *)a, (uint32_t)v);
+}
+
+STATIC_INLINE void
+my_atomic_storeptr(void * volatile *a, void *v)
+{
+	(void) atomic_swap_ptr(a, v);
+}
+
+#endif
+
+/* ------------------------------------------------------------------------ */
+
+STATIC_INLINE int8
+my_atomic_swap8(int8 volatile *a, int8 v)
+{
+	return ((int8) atomic_swap_8((volatile uint8_t *)a, (uint8_t)v));
+}
+
+STATIC_INLINE int16
+my_atomic_swap16(int16 volatile *a, int16 v)
+{
+	return ((int16) atomic_swap_16((volatile uint16_t *)a, (uint16_t)v));
+}
+
+STATIC_INLINE int32
+my_atomic_swap32(int32 volatile *a, int32 v)
+{
+	return ((int32) atomic_swap_32((volatile uint32_t *)a, (uint32_t)v));
+}
+
+STATIC_INLINE void *
+my_atomic_swapptr(void * volatile *a, void *v)
+{
+	return (atomic_swap_ptr(a, v));
+}