2 * Copyright (c) 2013 Qualcomm Atheros, Inc.
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36 * @ingroup adf_os_public
38 * This file defines utility functions.
41 #ifndef _ADF_OS_UTIL_H
42 #define _ADF_OS_UTIL_H
44 #include <adf_os_util_pvt.h>
47 * @brief Compiler-dependent macro denoting code likely to execute.
49 #define adf_os_unlikely(_expr) __adf_os_unlikely(_expr)
52 * @brief Compiler-dependent macro denoting code unlikely to execute.
54 #define adf_os_likely(_expr) __adf_os_likely(_expr)
57 * @brief read memory barrier.
59 #define adf_os_wmb() __adf_os_wmb()
62 * @brief write memory barrier.
64 #define adf_os_rmb() __adf_os_rmb()
67 * @brief read + write memory barrier.
69 #define adf_os_mb() __adf_os_mb()
72 * @brief return the lesser of a, b
74 #define adf_os_min(_a, _b) __adf_os_min(_a, _b)
77 * @brief return the larger of a, b
79 #define adf_os_max(_a, _b) __adf_os_max(_a, _b)
82 * @brief assert "expr" evaluates to true.
84 #define adf_os_assert(expr) __adf_os_assert(expr)
87 * @brief supply pseudo-random numbers
89 static inline void adf_os_get_rand(adf_os_handle_t hdl,
93 __adf_os_get_rand(hdl, ptr, len);
96 #endif /*_ADF_OS_UTIL_H*/