-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- */
-
-#ifndef _LTTNG_UST_HELPER_H
-#define _LTTNG_UST_HELPER_H
-
-#include <stdlib.h>
-
-static inline __attribute__((always_inline))
-void *zmalloc(size_t len)
-{
- return calloc(len, 1);
-}
-
-#define max_t(type, x, y) \
- ({ \
- type __max1 = (x); \
- type __max2 = (y); \
- __max1 > __max2 ? __max1: __max2; \
- })
-
-#define min_t(type, x, y) \
- ({ \
- type __min1 = (x); \
- type __min2 = (y); \
- __min1 <= __min2 ? __min1: __min2; \
- })
-
-#define LTTNG_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
-
-/*
- * Use of __builtin_return_address(0) sometimes seems to cause stack
- * corruption on 32-bit PowerPC. Disable this feature on that
- * architecture for now by always using the NULL value for the ip
- * context.
- */
-#if defined(__PPC__) && !defined(__PPC64__)
-#define LTTNG_UST_CALLER_IP() NULL
-#else /* #if defined(__PPC__) && !defined(__PPC64__) */
-#define LTTNG_UST_CALLER_IP() __builtin_return_address(0)
-#endif /* #else #if defined(__PPC__) && !defined(__PPC64__) */
-
-/*
- * LTTNG_HIDDEN: set the hidden attribute for internal functions
- * On Windows, symbols are local unless explicitly exported,
- * see https://gcc.gnu.org/wiki/Visibility
- */
-#if defined(_WIN32) || defined(__CYGWIN__)
-#define LTTNG_HIDDEN
-#else
-#define LTTNG_HIDDEN __attribute__((visibility("hidden")))
-#endif
-
-#endif /* _LTTNG_UST_HELPER_H */