patomic.h

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/*
 * The MIT License
 *
 * Copyright (C) 2010-2016 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.
 */

#if !defined (PLIBSYS_H_INSIDE) && !defined (PLIBSYS_COMPILATION)
#  error "Header files shouldn't be included directly, consider using <plibsys.h> instead."
#endif

#ifndef PLIBSYS_HEADER_PATOMIC_H
#define PLIBSYS_HEADER_PATOMIC_H

#include <ptypes.h>
#include <pmacros.h>

P_BEGIN_DECLS

P_LIB_API pint      p_atomic_int_get            (const volatile pint    *atomic);

P_LIB_API void      p_atomic_int_set            (volatile pint      *atomic,
                                 pint           val);

P_LIB_API void      p_atomic_int_inc            (volatile pint      *atomic);

P_LIB_API pboolean  p_atomic_int_dec_and_test       (volatile pint      *atomic);

P_LIB_API pboolean  p_atomic_int_compare_and_exchange   (volatile pint      *atomic,
                                 pint           oldval,
                                 pint           newval);

P_LIB_API pint      p_atomic_int_add            (volatile pint      *atomic,
                                 pint           val);

P_LIB_API puint     p_atomic_int_and            (volatile puint     *atomic,
                                 puint          val);

P_LIB_API puint     p_atomic_int_or             (volatile puint     *atomic,
                                 puint          val);

P_LIB_API puint     p_atomic_int_xor            (volatile puint     *atomic,
                                 puint          val);

P_LIB_API ppointer  p_atomic_pointer_get            (const volatile void    *atomic);

P_LIB_API void      p_atomic_pointer_set            (volatile void      *atomic,
                                 ppointer       val);

P_LIB_API pboolean  p_atomic_pointer_compare_and_exchange   (volatile void      *atomic,
                                 ppointer       oldval,
                                 ppointer       newval);

P_LIB_API pssize    p_atomic_pointer_add            (volatile void      *atomic,
                                 pssize         val);

P_LIB_API psize     p_atomic_pointer_and            (volatile void      *atomic,
                                 psize          val);

P_LIB_API psize     p_atomic_pointer_or         (volatile void      *atomic,
                                 psize          val);

P_LIB_API psize     p_atomic_pointer_xor            (volatile void      *atomic,
                                 psize          val);

P_LIB_API pboolean  p_atomic_is_lock_free           (void);

P_END_DECLS

#endif /* PLIBSYS_HEADER_PATOMIC_H */