Rename C++ header files to .hpp

[lttng-tools.git] / src / common / compat / fcntl.hpp

diff --git a/src/common/compat/fcntl.hpp b/src/common/compat/fcntl.hpp
new file mode 100644 (file)
index 0000000..a526ca5
--- /dev/null
+++ b/src/common/compat/fcntl.hpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2011 David Goulet <dgoulet@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef _COMPAT_FCNTL_H
+#define _COMPAT_FCNTL_H
+
+#include <fcntl.h>
+#include <sys/types.h>
+
+#include <common/compat/errno.hpp>
+
+#if (defined(__CYGWIN__))
+typedef long long off64_t;
+#endif
+
+#if (defined(__FreeBSD__) || defined(__sun__))
+typedef off64_t loff_t;
+#endif
+
+#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.
+ */
+#define SYNC_FILE_RANGE_WAIT_AFTER    0
+#define SYNC_FILE_RANGE_WAIT_BEFORE   0
+#define SYNC_FILE_RANGE_WRITE         0
+
+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 -ENOSYS;
+}
+#endif
+
+#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
+/*
+ * Possible flags under Linux. Simply nullify them and avoid wrappers.
+ */
+#define SPLICE_F_MOVE       0
+#define SPLICE_F_NONBLOCK   0
+#define SPLICE_F_MORE       0
+#define SPLICE_F_GIFT       0
+
+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
+
+#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 */