Fix: common: poll: compat_poll_wait never finishes

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

diff --git a/src/common/compat/fcntl.h b/src/common/compat/fcntl.h
index 4c89361eb65656e579cc28fbf48b3e697714edc8..bbbf47ba593aaba2e4f6c1b7ee4ba07707d21fce 100644 (file)
--- a/src/common/compat/fcntl.h
+++ b/src/common/compat/fcntl.h
@@ -1,40 +1,34 @@
 /*
- * 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_FCNTL_H
 #define _COMPAT_FCNTL_H
 
 #include <fcntl.h>
+#include <errno.h>
 #include <sys/types.h>
 
-#ifdef __linux__
+#if (defined(__FreeBSD__) || 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)
 
-#elif (defined(__FreeBSD__) || defined(__CYGWIN__))
-
-typedef long int off64_t;
-typedef off64_t loff_t;
-
-#include <errno.h>
+#endif /* __linux__ */
 
+#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
 /*
  * Possible flags under Linux. Simply nullify them and avoid wrapper.
  */
@@ -42,6 +36,14 @@ typedef off64_t loff_t;
 #define SYNC_FILE_RANGE_WAIT_BEFORE   0
 #define SYNC_FILE_RANGE_WRITE         0
 
+static inline int lttng_sync_file_range(int fd, off64_t offset,
+               off64_t nbytes, unsigned int flags)
+{
+       return -ENOSYS;
+}
+#endif
+
+#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
 /*
  * Possible flags under Linux. Simply nullify them and avoid wrappers.
  */
@@ -50,27 +52,24 @@ typedef off64_t loff_t;
 #define SPLICE_F_MORE       0
 #define SPLICE_F_GIFT       0
 
-#define POSIX_FADV_DONTNEED 0
-
-static inline int lttng_sync_file_range(int fd, off64_t offset,
-               off64_t nbytes, unsigned int flags)
-{
-       return -ENOSYS;
-}
-
 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
+#if !(defined(__linux__) || defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__) || defined(__APPLE__))
 #error "Please add support for your OS."
-#endif /* __linux__ , __FreeBSD__, __CYGWIN__ */
+#endif /* __linux__ , __FreeBSD__, __CYGWIN__, __sun__, __APPLE__ */
 
 #endif /* _COMPAT_FCNTL_H */