6:37 a.m.
---
configure.ac | 2 +
common/replacements/Makefile.am | 4 ++
plugins/partitioning/Makefile.am | 2 +
common/replacements/fdatasync.h | 44 +++++++++++++++++++
common/replacements/fsync.h | 44 +++++++++++++++++++
common/replacements/fdatasync.c | 51 ++++++++++++++++++++++
common/replacements/fsync.c | 66 +++++++++++++++++++++++++++++
plugins/partitioning/partitioning.c | 5 +--
8 files changed, 214 insertions(+), 4 deletions(-)
diff --git a/configure.ac b/configure.ac
index 190d35d2..c21855d8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -339,6 +339,8 @@ AC_CHECK_FUNCS([\
dnl Replacement functions that we provide for some platforms.
AC_CONFIG_LIBOBJ_DIR([common/replacements])
AC_REPLACE_FUNCS([\
+ fdatasync \
+ fsync \
get_current_dir_name \
getdelim \
getline \
diff --git a/common/replacements/Makefile.am b/common/replacements/Makefile.am
index 9d1d34fa..bd884e0a 100644
--- a/common/replacements/Makefile.am
+++ b/common/replacements/Makefile.am
@@ -39,6 +39,10 @@ libcompat_la_SOURCES =
libcompat_la_LIBADD = $(LTLIBOBJS)
EXTRA_DIST = \
+ fdatasync.c \
+ fdatasync.h \
+ fsync.c \
+ fsync.h \
get_current_dir_name.c \
get_current_dir_name.h \
getdelim.c \
diff --git a/plugins/partitioning/Makefile.am b/plugins/partitioning/Makefile.am
index d8cf9e29..9540d6f6 100644
--- a/plugins/partitioning/Makefile.am
+++ b/plugins/partitioning/Makefile.am
@@ -49,6 +49,7 @@ nbdkit_partitioning_plugin_la_CPPFLAGS = \
-I$(top_srcdir)/common/gpt \
-I$(top_srcdir)/common/include \
-I$(top_srcdir)/common/regions \
+ -I$(top_srcdir)/common/replacements \
-I$(top_srcdir)/common/utils \
-I. \
$(NULL)
@@ -61,6 +62,7 @@ nbdkit_partitioning_plugin_la_LIBADD = \
$(top_builddir)/common/gpt/libgpt.la \
$(top_builddir)/common/regions/libregions.la \
$(top_builddir)/common/utils/libutils.la \
+ $(top_builddir)/common/replacements/libcompat.la \
$(NULL)
if HAVE_POD
diff --git a/common/replacements/fdatasync.h b/common/replacements/fdatasync.h
new file mode 100644
index 00000000..426e0612
--- /dev/null
+++ b/common/replacements/fdatasync.h
@@ -0,0 +1,44 @@
+/* nbdkit
+ * Copyright (C) 2019-2020 Red Hat Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of Red Hat nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef NBDKIT_FDATASYNC_H
+#define NBDKIT_FDATASYNC_H
+
+#include <config.h>
+
+#include <unistd.h>
+
+#ifndef HAVE_FDATASYNC
+extern int fdatasync (int fd);
+#endif
+
+#endif /* NBDKIT_FDATASYNC_H */
diff --git a/common/replacements/fsync.h b/common/replacements/fsync.h
new file mode 100644
index 00000000..5561205d
--- /dev/null
+++ b/common/replacements/fsync.h
@@ -0,0 +1,44 @@
+/* nbdkit
+ * Copyright (C) 2019-2020 Red Hat Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of Red Hat nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef NBDKIT_FSYNC_H
+#define NBDKIT_FSYNC_H
+
+#include <config.h>
+
+#include <unistd.h>
+
+#ifndef HAVE_FSYNC
+extern int fsync (int fd);
+#endif
+
+#endif /* NBDKIT_FSYNC_H */
diff --git a/common/replacements/fdatasync.c b/common/replacements/fdatasync.c
new file mode 100644
index 00000000..1487aad8
--- /dev/null
+++ b/common/replacements/fdatasync.c
@@ -0,0 +1,51 @@
+/* nbdkit
+ * Copyright (C) 2019-2020 Red Hat Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of Red Hat nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* Replacement for fdatasync for platforms which lack this function. */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifndef HAVE_FDATASYNC
+
+#include "fsync.h"
+#include "fdatasync.h"
+
+int
+fdatasync (int fd)
+{
+ return fsync (fd);
+}
+
+#endif /* !HAVE_FDATASYNC */
diff --git a/common/replacements/fsync.c b/common/replacements/fsync.c
new file mode 100644
index 00000000..090532cd
--- /dev/null
+++ b/common/replacements/fsync.c
@@ -0,0 +1,66 @@
+/* nbdkit
+ * Copyright (C) 2019-2020 Red Hat Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of Red Hat nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* Replacement for fsync for platforms which lack this function. */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#ifndef HAVE_FSYNC
+
+#include "fsync.h"
+
+#ifdef WIN32
+
+/* Replacement fsync for Win32. */
+
+#include <windows.h>
+
+int
+fsync (int fd)
+{
+ if (!FlushFileBuffers (_get_osfhandle (fd))) {
+ nbdkit_debug ("FlushFileBuffers: error %d", GetLastError ());
+ errno = EIO;
+ return -1;
+ }
+ return 0;
+}
+
+#else /* !WIN32 */
+#error "no replacement fsync is available on this platform"
+#endif
+
+#endif /* !HAVE_FSYNC */
diff --git a/plugins/partitioning/partitioning.c b/plugins/partitioning/partitioning.c
index 5e963026..79b56dd6 100644
--- a/plugins/partitioning/partitioning.c
+++ b/plugins/partitioning/partitioning.c
@@ -50,6 +50,7 @@
#include "ascii-string.h"
#include "byte-swapping.h"
+#include "fdatasync.h"
#include "isaligned.h"
#include "iszero.h"
#include "rounding.h"
@@ -59,10 +60,6 @@
#include "regions.h"
#include "virtual-disk.h"
-#ifndef HAVE_FDATASYNC
-#define fdatasync fsync
-#endif
-
/* Debug flag: -D partitioning.regions=1: Print the regions table. */
int partitioning_debug_regions;
--
2.27.0