add plibsys

1 files changed, 286 insertions, 0 deletions

diff --git a/3rdparty/plibsys/src/patomic-decc.c b/3rdparty/plibsys/src/patomic-decc.c
new file mode 100644
index 0000000..d103aa9
--- /dev/null
+++ b/3rdparty/plibsys/src/patomic-decc.c
@@ -0,0 +1,286 @@
+/*
+ * The MIT License
+ *
+ * Copyright (C) 2016 Alexander Saprykin <saprykin.spb@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * 'Software'), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "patomic.h"
+
+#ifdef P_OS_VMS
+#  include <builtins.h>
+#else
+#  include <machine/builtins.h>
+#endif
+
+#ifdef __ia64
+#  define PATOMIC_DECC_CAS_LONG(atomic_src, oldval, newval, atomic_dst)	\
+	  __CMP_SWAP_LONG ((volatile void *) (atomic_src),		\
+			   (pint) (oldval),				\
+			   (pint) (newval))
+#  define PATOMIC_DECC_CAS_QUAD(atomic_src, oldval, newval, atomic_dst)	\
+	  __CMP_SWAP_QUAD ((volatile void *) (atomic_src),		\
+			   (pint64) (oldval),				\
+			   (pint64) (newval))	  
+#else
+#  define PATOMIC_DECC_CAS_LONG(atomic_src, oldval, newval, atomic_dst)	\
+	  __CMP_STORE_LONG ((volatile void *) (atomic_src),		\
+			    (pint) (oldval),				\
+			    (pint) (newval),				\
+			    (volatile void *) (atomic_dst))
+#  define PATOMIC_DECC_CAS_QUAD(atomic_src, oldval, newval, atomic_dst)	\
+	  __CMP_STORE_QUAD ((volatile void *) (atomic_src),		\
+			    (pint64) (oldval),				\
+			    (pint64) (newval),				\
+			    (volatile void *) (atomic_dst))
+#endif
+
+P_LIB_API pint
+p_atomic_int_get (const volatile pint *atomic)
+{
+	__MB ();
+	return (pint) *atomic;
+}
+
+P_LIB_API void
+p_atomic_int_set (volatile pint	*atomic,
+		  pint		val)
+{
+	(void) __ATOMIC_EXCH_LONG ((volatile void *) atomic, val);
+	__MB ();
+}
+
+P_LIB_API void
+p_atomic_int_inc (volatile pint *atomic)
+{
+	__MB ();
+	(void) __ATOMIC_INCREMENT_LONG ((volatile void *) atomic);
+	__MB ();
+}
+
+P_LIB_API pboolean
+p_atomic_int_dec_and_test (volatile pint *atomic)
+{
+	pboolean result;
+
+	__MB ();
+	result = __ATOMIC_DECREMENT_LONG ((volatile void *) atomic) == 1 ? TRUE : FALSE;
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API pboolean
+p_atomic_int_compare_and_exchange (volatile pint	*atomic,
+				   pint			oldval,
+				   pint			newval)
+{
+	pboolean result;
+
+	__MB ();
+	result = PATOMIC_DECC_CAS_LONG (atomic, oldval, newval, atomic) == 1 ? TRUE : FALSE;
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API pint
+p_atomic_int_add (volatile pint	*atomic,
+		  pint		val)
+{
+	pint result;
+
+	__MB ();
+	result = __ATOMIC_ADD_LONG ((volatile void *) atomic, val);
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API puint
+p_atomic_int_and (volatile puint	*atomic,
+		  puint			val)
+{
+	puint result;
+
+	__MB ();
+	result = (puint) __ATOMIC_AND_LONG ((volatile void *) atomic, (pint) val);
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API puint
+p_atomic_int_or (volatile puint	*atomic,
+		 puint		val)
+{
+	puint result;
+
+	__MB ();
+	result = (puint) __ATOMIC_OR_LONG ((volatile void *) atomic, (pint) val);
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API puint
+p_atomic_int_xor (volatile puint	*atomic,
+		  puint			val)
+{
+	pint i;
+
+	do {
+		__MB ();
+		i = (pint) (*atomic);
+	} while (PATOMIC_DECC_CAS_LONG (atomic, i, i ^ ((pint) val), atomic) != 1);
+
+	__MB ();
+
+	return i;
+}
+
+P_LIB_API ppointer
+p_atomic_pointer_get (const volatile void *atomic)
+{
+	__MB ();
+	return (ppointer) (* ((const volatile psize *) atomic));
+}
+
+P_LIB_API void
+p_atomic_pointer_set (volatile void	*atomic,
+		      ppointer		val)
+{
+#if (PLIBSYS_SIZEOF_VOID_P == 8)
+	(void) __ATOMIC_EXCH_QUAD (atomic, (pint64) val);
+#else
+	(void) __ATOMIC_EXCH_LONG (atomic, (pint) val);
+#endif
+	__MB ();
+}
+
+P_LIB_API pboolean
+p_atomic_pointer_compare_and_exchange (volatile void	*atomic,
+				       ppointer		oldval,
+				       ppointer		newval)
+{
+	pboolean result;
+
+	__MB ();
+#if (PLIBSYS_SIZEOF_VOID_P == 8)
+	result = PATOMIC_DECC_CAS_QUAD (atomic, oldval, newval, atomic) == 1 ? TRUE : FALSE;
+#else
+	result = PATOMIC_DECC_CAS_LONG (atomic, oldval, newval, atomic) == 1 ? TRUE : FALSE;
+#endif
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API pssize
+p_atomic_pointer_add (volatile void	*atomic,
+		      pssize		val)
+{
+	pssize result;
+
+	__MB ();
+#if (PLIBSYS_SIZEOF_VOID_P == 8)
+	result = (pssize) __ATOMIC_ADD_QUAD (atomic, (pint64) val);
+#else
+	result = (pssize) __ATOMIC_ADD_LONG (atomic, (pint) val);
+#endif
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API psize
+p_atomic_pointer_and (volatile void	*atomic,
+		      psize		val)
+{
+	psize result;
+
+	__MB ();
+#if (PLIBSYS_SIZEOF_VOID_P == 8)
+	result = (psize) __ATOMIC_AND_QUAD (atomic, (pint64) val);
+#else
+	result = (psize) __ATOMIC_AND_LONG (atomic, (pint) val);
+#endif
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API psize
+p_atomic_pointer_or (volatile void	*atomic,
+		     psize		val)
+{
+	psize result;
+
+	__MB ();
+#if (PLIBSYS_SIZEOF_VOID_P == 8)
+	result = (psize) __ATOMIC_OR_QUAD (atomic, (pint64) val);
+#else
+	result = (psize) __ATOMIC_OR_LONG (atomic, (pint) val);
+#endif
+	__MB ();
+
+	return result;
+}
+
+P_LIB_API psize
+p_atomic_pointer_xor (volatile void	*atomic,
+		      psize		val)
+{
+#if (PLIBSYS_SIZEOF_VOID_P == 8)
+	pint64 i;
+
+	do {
+		__MB ();
+		i = (pint64) (* ((volatile psize *) atomic));
+	} while (PATOMIC_DECC_CAS_QUAD (atomic, i, i ^ ((pint64) val), atomic) != 1);
+#else
+	pint i;
+
+	do {
+		__MB ();
+		i = (pint) (* ((volatile psize *) atomic));
+	} while (PATOMIC_DECC_CAS_LONG (atomic, i, i ^ ((pint) val), atomic) != 1);
+#endif
+	__MB ();
+
+	return (psize) i;
+}
+
+P_LIB_API pboolean
+p_atomic_is_lock_free (void)
+{
+	return TRUE;
+}
+
+void
+p_atomic_thread_init (void)
+{
+}
+
+void
+p_atomic_thread_shutdown (void)
+{
+}