Changes for version 0.8.0
diff --git a/diskio-unix.cc b/diskio-unix.cc
index 03fc3c8..3735b9f 100644
--- a/diskio-unix.cc
+++ b/diskio-unix.cc
@@ -203,8 +203,11 @@
// Resync disk caches so the OS uses the new partition table. This code varies
// a lot from one OS to another.
-void DiskIO::DiskSync(void) {
- int i, platformFound = 0;
+// Returns 1 on success, 0 if the kernel continues to use the old partition table.
+// (Note that for most OSes, the default of 0 is returned because I've not yet
+// looked into how to test for success in the underlying system calls...)
+int DiskIO::DiskSync(void) {
+ int i, retval = 0, platformFound = 0;
// If disk isn't open, try to open it....
if (!isOpen) {
@@ -233,9 +236,12 @@
sleep(1); // Theoretically unnecessary, but ioctl() fails sometimes if omitted....
fsync(fd);
i = ioctl(fd, BLKRRPART);
- if (i)
+ if (i) {
cout << "Warning: The kernel is still using the old partition table.\n"
<< "The new table will be used at the next reboot.\n";
+ } else {
+ retval = 1;
+ } // if/else
platformFound++;
#endif
if (platformFound == 0)
@@ -243,6 +249,7 @@
if (platformFound > 1)
cerr << "\nWarning: We seem to be running on multiple platforms!\n";
} // if (isOpen)
+ return retval;
} // DiskIO::DiskSync()
// Seek to the specified sector. Returns 1 on success, 0 on failure.