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crate::ix!();
/**
| Ensure file contents are fully committed
| to disk, using a platform-specific
| feature analogous to fsync().
|
*/
pub fn file_commit(file: *mut libc::FILE) -> bool {
unsafe {
if libc::fflush(file) != 0 {
// harmless if redundantly called
log_printf!{
"{}: fflush failed: {}\n",
func,
errno
};
return false;
}
#[cfg(WIN32)]
{
let h_file: HANDLE = get_osfhandle(fileno(file)) as HANDLE;
if flush_file_buffers(h_file) == 0 {
log_printf!{
"{}: FlushFileBuffers failed: {}\n",
func,
get_last_error()
};
return false;
}
return true;
}
#[cfg(all(MAC_OSX,F_FULLFSYNC))]
{
if fcntl(fileno(file),fullfsync,0) == -1 {
// Manpage says "value other than -1"
// is returned on success
log_printf!{
"{}: fcntl F_FULLFSYNC failed: {}\n",
func,
errno
};
return false;
}
return true;
}
#[cfg(HAVE_FDATASYNC)]
{
if fdatasync(fileno(file)) != 0 && errno != einval {
// Ignore EINVAL for filesystems that
// don't support sync
log_printf!{
"{}: fdatasync failed: {}\n",
func,
errno
};
return false;
}
return true;
}
if libc::fsync(libc::fileno(file)) != 0 && errno().0 != libc::EINVAL {
log_printf!{
"{}: fsync failed: {}\n",
func,
errno
};
return false;
}
}
true
}