X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fcompat%2Ffcntl.h;h=9fca7f0cdc4699e8ed6155a08b6e7630d1417dfa;hb=4878de5c7deb512bbdac4fdfc498907efa06fb7c;hp=420546959d1da1f1b1bf08485c833591e130b150;hpb=826a02a292d2bd409be87ea96ba2fccbccee76b1;p=lttng-tools.git

diff --git a/src/common/compat/fcntl.h b/src/common/compat/fcntl.h
index 420546959..9fca7f0cd 100644
--- a/src/common/compat/fcntl.h
+++ b/src/common/compat/fcntl.h
@@ -1,38 +1,35 @@
 /*
- * 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 as published by the Free
- * Software Foundation; only version 2 of the License.
+ * SPDX-License-Identifier: LGPL-2.1-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., 59 Temple
- * Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 
 #ifndef _COMPAT_FCNTL_H
 #define _COMPAT_FCNTL_H
 
 #include <fcntl.h>
+#include <sys/types.h>
 
-#define lttng_sync_file_range(fd, offset, nbytes, flags) \
-	compat_sync_file_range(fd, offset, nbytes, flags)
+#include <common/compat/errno.h>
 
-#ifdef __linux__
+#if (defined(__CYGWIN__))
+typedef long long off64_t;
+#endif
 
-int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
-		unsigned int flags)
-{
-	return sync_file_range(fd, offset, nbytes, flags);
-}
+#if (defined(__FreeBSD__) || defined(__sun__))
+typedef off64_t loff_t;
+#endif
 
-#elif __FreeBSD__
+#ifdef __linux__
+extern int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
+		unsigned int flags);
+#define lttng_sync_file_range(fd, offset, nbytes, flags) \
+	compat_sync_file_range(fd, offset, nbytes, flags)
+
+#endif /* __linux__ */
 
+#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
 /*
  * Possible flags under Linux. Simply nullify them and avoid wrapper.
  */
@@ -40,15 +37,17 @@ int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
 #define SYNC_FILE_RANGE_WAIT_BEFORE   0
 #define SYNC_FILE_RANGE_WRITE         0
 
-typedef long int off64_t;
-typedef off64_t loff_t;
-
-int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
-		unsigned int flags)
+static inline int lttng_sync_file_range(
+		int fd __attribute__((unused)),
+		off64_t offset __attribute__((unused)),
+		off64_t nbytes __attribute__((unused)),
+		unsigned int flags __attribute__((unused)))
 {
-	return 0;
+	return -ENOSYS;
 }
+#endif
 
+#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
 /*
  * Possible flags under Linux. Simply nullify them and avoid wrappers.
  */
@@ -57,14 +56,20 @@ int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
 #define SPLICE_F_MORE       0
 #define SPLICE_F_GIFT       0
 
-ssize_t splice(int fd_in, loff_t *off_in, int fd_out,
-		loff_t *off_out, size_t len, unsigned int flags)
+static inline ssize_t splice(
+		int fd_in __attribute__((unused)),
+		loff_t *off_in __attribute__((unused)),
+		int fd_out __attribute__((unused)),
+		loff_t *off_out __attribute__((unused)),
+		size_t len __attribute__((unused)),
+		unsigned int flags __attribute__((unused)))
 {
 	return -ENOSYS;
 }
+#endif
 
-#else
-#error "Please add support for your OS into compat/fcntl.h."
-#endif /* __linux__ , __FreeBSD__ */
+#if !(defined(__linux__) || defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__) || defined(__APPLE__))
+#error "Please add support for your OS."
+#endif /* __linux__ , __FreeBSD__, __CYGWIN__, __sun__, __APPLE__ */
 
 #endif /* _COMPAT_FCNTL_H */