Fix: common: poll: compat_poll_wait never finishes

[lttng-tools.git] / src / common / compat / endian.h

diff --git a/src/common/compat/endian.h b/src/common/compat/endian.h
index a8c500bd0529f43a255857b8276b74d72f5b65ec..42c7fab31af9e53d67ac9eacf82bcc897f79e0b5 100644 (file)
--- a/src/common/compat/endian.h
+++ b/src/common/compat/endian.h
@@ -1,24 +1,14 @@
 /*
- * Copyright (C) 2011 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2011 David Goulet <dgoulet@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program 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 General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _COMPAT_ENDIAN_H
 #define _COMPAT_ENDIAN_H
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
 #include <endian.h>
 
 /*
@@ -149,6 +139,43 @@
 #define htobe64(x) BE_64(x)
 #define be64toh(x) BE_64(x)
 
+#elif defined(__APPLE__)
+# include <machine/endian.h>
+# include <libkern/OSByteOrder.h>
+
+# if BYTE_ORDER == LITTLE_ENDIAN
+#  define htobe16(x) OSSwapConstInt16(x)
+#  define htole16(x) (x)
+#  define be16toh(x) OSSwapConstInt16(x)
+#  define le16toh(x) (x)
+
+#  define htobe32(x) OSSwapConstInt32(x)
+#  define htole32(x) (x)
+#  define be32toh(x) OSSwapConstInt32(x)
+#  define le32toh(x) (x)
+
+#  define htobe64(x) OSSwapConstInt64(x)
+#  define htole64(x) (x)
+#  define be64toh(x) OSSwapConstInt64(x)
+#  define le64toh(x) (x)
+
+# else /* BYTE_ORDER == LITTLE_ENDIAN */
+#  define htobe16(x) (x)
+#  define htole16(x) OSSwapConstInt16(x)
+#  define be16toh(x) (x)
+#  define le16toh(x) OSSwapConstInt16(x)
+
+#  define htobe32(x) (x)
+#  define htole32(x) OSSwapConstInt32(x)
+#  define be32toh(x) (x)
+#  define le32toh(x) OSSwapConstInt32(x)
+
+#  define htobe64(x) (x)
+#  define htole64(x) OSSwapConstInt64(x)
+#  define be64toh(x) (x)
+#  define le64toh(x) OSSwapConstInt64(x)
+# endif
+
 #else
 #error "Please add support for your OS."
 #endif