/*
- * 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: 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., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _COMPAT_FCNTL_H
#define _COMPAT_FCNTL_H
#include <fcntl.h>
+#include <errno.h>
+#include <sys/types.h>
-#define lttng_sync_file_range(fd, offset, nbytes, flags) \
- compat_sync_file_range(fd, offset, nbytes, flags)
+#if (defined(__FreeBSD__) || defined(__CYGWIN__))
+typedef long long off64_t;
+#endif
-#ifdef __linux__
+#if (defined(__FreeBSD__) || defined(__sun__))
+typedef off64_t loff_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);
-}
+#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)
-#elif __FreeBSD__
+#endif /* __linux__ */
+#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
/*
* Possible flags under Linux. Simply nullify them and avoid wrapper.
*/
#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, off64_t offset,
+ off64_t nbytes, unsigned int flags)
{
- return 0;
+ return -ENOSYS;
}
+#endif
+#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
/*
* Possible flags under Linux. Simply nullify them and avoid wrappers.
*/
#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, loff_t *off_in, int fd_out, loff_t *off_out,
+ size_t len, unsigned int flags)
+{
+ return -ENOSYS;
+}
+#endif
+
+#ifdef __FreeBSD__
+#define POSIX_FADV_DONTNEED 0
+
+static inline int posix_fadvise(int fd, off_t offset, off_t len, int advice)
{
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 */