aboutsummaryrefslogtreecommitdiffstats
path: root/erts/include/internal/ethread_inline.h
diff options
context:
space:
mode:
Diffstat (limited to 'erts/include/internal/ethread_inline.h')
-rw-r--r--erts/include/internal/ethread_inline.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/erts/include/internal/ethread_inline.h b/erts/include/internal/ethread_inline.h
new file mode 100644
index 0000000000..3ba910d993
--- /dev/null
+++ b/erts/include/internal/ethread_inline.h
@@ -0,0 +1,73 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2004-2014. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#ifndef ETHREAD_INLINE_H__
+#define ETHREAD_INLINE_H__
+
+#define ETHR_GCC_COMPILER_FALSE 0 /* Not a gcc compatible compiler */
+#define ETHR_GCC_COMPILER_TRUE 1 /* The GNU gcc compiler */
+/* Negative integers for gcc compatible compilers */
+#define ETHR_GCC_COMPILER_CLANG -1 /* The Clang gcc compatible compiler */
+#define ETHR_GCC_COMPILER_ICC -2 /* The Intel gcc compatible compiler */
+/* Line them up... */
+
+/*
+ * Unfortunately there is no easy and certain way of
+ * detecting a true gcc compiler, since the compatible
+ * ones all define the same defines as the true gnu-gcc...
+ */
+#if !defined(__GNUC__) && !defined(__GNUG__)
+# define ETHR_GCC_COMPILER ETHR_GCC_COMPILER_FALSE
+#elif defined(__clang__)
+# define ETHR_GCC_COMPILER ETHR_GCC_COMPILER_CLANG
+#elif defined(__ICC) || defined(__INTEL_COMPILER)
+# define ETHR_GCC_COMPILER ETHR_GCC_COMPILER_ICC
+#else
+/* Seems to be the true gnu-gcc... */
+# define ETHR_GCC_COMPILER ETHR_GCC_COMPILER_TRUE
+#endif
+
+#if !defined(__GNUC__)
+# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) 0
+#elif !defined(__GNUC_MINOR__)
+# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \
+ ((__GNUC__ << 24) >= (((MAJ) << 24) | ((MIN) << 12) | (PL)))
+#elif !defined(__GNUC_PATCHLEVEL__)
+# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \
+ (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12)) >= (((MAJ) << 24) | ((MIN) << 12) | (PL)))
+#else
+# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \
+ (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12) | __GNUC_PATCHLEVEL__) >= (((MAJ) << 24) | ((MIN) << 12) | (PL)))
+#endif
+
+#undef ETHR_INLINE
+#if defined(__GNUC__)
+# define ETHR_INLINE __inline__
+# if ETHR_AT_LEAST_GCC_VSN__(3, 1, 1)
+# define ETHR_FORCE_INLINE __inline__ __attribute__((__always_inline__))
+# else
+# define ETHR_FORCE_INLINE __inline__
+# endif
+#elif defined(__WIN32__)
+# define ETHR_INLINE __forceinline
+# define ETHR_FORCE_INLINE __forceinline
+#endif
+
+#endif /* #ifndef ETHREAD_INLINE_H__ */