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/*
* librd - Rapid Development C library
*
* Copyright (c) 2012, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RDTYPES_H_
#define _RDTYPES_H_
#include <inttypes.h>
/*
* Fundamental types
*/
/* Timestamp (microseconds).
* Struct members with this type usually have the "ts_" prefix for
* the internal monotonic clock timestamp, or "wts_" for wall clock timestamp.
*/
typedef int64_t rd_ts_t;
#define RD_TS_MAX INT64_MAX
typedef uint8_t rd_bool_t;
#define rd_true 1
#define rd_false 0
/**
* @enum Denotes an async or sync operation
*/
typedef enum {
RD_SYNC = 0, /**< Synchronous/blocking */
RD_ASYNC, /**< Asynchronous/non-blocking */
} rd_async_t;
/**
* @enum Instruct function to acquire or not to acquire a lock
*/
typedef enum {
RD_DONT_LOCK = 0, /**< Do not acquire lock */
RD_DO_LOCK = 1, /**< Do acquire lock */
} rd_dolock_t;
/*
* Helpers
*/
/**
* @brief Overflow-safe type-agnostic compare for use in cmp functions.
*
* @warning A and B may be evaluated multiple times.
*
* @returns -1, 0 or 1.
*/
#define RD_CMP(A, B) (int)((A) < (B) ? -1 : ((A) > (B)))
#endif /* _RDTYPES_H_ */
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