Move include/ust/ to include/lttng/

[ust.git] / include / ust / core.h

diff --git a/include/ust/core.h b/include/ust/core.h
deleted file mode 100644 (file)
index 4e75c51..0000000
--- a/include/ust/core.h
+++ /dev/null
@@ -1,171 +0,0 @@
-#ifndef UST_CORE_H
-#define UST_CORE_H
-
-/*
- * Copyright (C) 2010  Pierre-Marc Fournier
- * Copyright (C) 2011  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; version 2.1 of
- * the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
- */
-
-#include <sys/types.h>
-#include <ust/config.h>
-#include <urcu/arch.h>
-#include <urcu/compiler.h>
-
-/* ARRAYS */
-
-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
-
-
-/* ALIGNMENT SHORTCUTS */
-
-#include <unistd.h>
-
-#define ALIGN(x,a)             __ALIGN_MASK(x,(typeof(x))(a)-1)
-#define __ALIGN_MASK(x,mask)   (((x)+(mask))&~(mask))
-#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
-#define PAGE_SIZE sysconf(_SC_PAGE_SIZE)
-#define PAGE_MASK (~(PAGE_SIZE-1))
-
-/* ERROR OPS */
-#define MAX_ERRNO      4095
-
-#define IS_ERR_VALUE(x) caa_unlikely((x) >= (unsigned long)-MAX_ERRNO)
-
-static inline void *ERR_PTR(long error)
-{
-       return (void *) error;
-}
-
-static inline long PTR_ERR(const void *ptr)
-{
-       return (long) ptr;
-}
-
-static inline long IS_ERR(const void *ptr)
-{
-       return IS_ERR_VALUE((unsigned long)ptr);
-}
-
-
-/* Min / Max */
-
-#define min_t(type, x, y) ({                    \
-       type __min1 = (x);                      \
-       type __min2 = (y);                      \
-       __min1 < __min2 ? __min1: __min2; })
-
-#define max_t(type, x, y) ({                    \
-       type __max1 = (x);                      \
-       type __max2 = (y);                      \
-       __max1 > __max2 ? __max1: __max2; })
-
-
-/* MUTEXES */
-
-#include <pthread.h>
-
-#define DEFINE_MUTEX(m) pthread_mutex_t (m) = PTHREAD_MUTEX_INITIALIZER;
-#define DECLARE_MUTEX(m) extern pthread_mutex_t (m);
-
-/* MALLOCATION */
-
-#include <stdlib.h>
-
-static inline
-void *zmalloc(size_t len)
-{
-       return calloc(1, len);
-}
-
-static inline
-void *malloc_align(size_t len)
-{
-       return malloc(ALIGN(len, CAA_CACHE_LINE_SIZE));
-}
-
-static inline
-void *zmalloc_align(size_t len)
-{
-       return calloc(1, ALIGN(len, CAA_CACHE_LINE_SIZE));
-}
-
-/* MATH */
-
-#include <ust/processor.h>
-static inline unsigned int hweight32(unsigned int w)
-{
-       unsigned int res = w - ((w >> 1) & 0x55555555);
-       res = (res & 0x33333333) + ((res >> 2) & 0x33333333);
-       res = (res + (res >> 4)) & 0x0F0F0F0F;
-       res = res + (res >> 8);
-       return (res + (res >> 16)) & 0x000000FF;
-}
-
-static __inline__ int get_count_order(unsigned int count)
-{
-       int order;
-       
-       order = fls(count) - 1;
-       if (count & (count - 1))
-               order++;
-       return order;
-}
-
-#define _ust_container_of(ptr, type, member) ({                      \
-        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
-        (type *)( (char *)__mptr - offsetof(type,member) );})
-
-#ifndef inline_memcpy
-#define inline_memcpy memcpy
-#endif
-
-#ifndef __same_type
-#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
-#endif
-
-#ifndef UST_VALGRIND
-
-static __inline__ int ust_get_cpu(void)
-{
-       int cpu;
-
-       cpu = sched_getcpu();
-       if (caa_likely(cpu >= 0))
-               return cpu;
-       /*
-        * If getcpu(2) is not implemented in the Kernel use CPU 0 as fallback.
-        */
-       return 0;
-}
-
-#else  /* #else #ifndef UST_VALGRIND */
-
-static __inline__ int ust_get_cpu(void)
-{
-       /*
-        * Valgrind does not support the sched_getcpu() vsyscall.
-        * It causes it to detect a segfault in the program and stop it.
-        * So if we want to check libust with valgrind, we have to refrain
-        * from using this call. TODO: it would probably be better to return
-        * other values too, to better test it.
-        */
-       return 0;
-}
-
-#endif /* #else #ifndef UST_VALGRIND */
-
-#endif /* UST_CORE_H */