#endif
#include "wimlib/win32_common.h"
-#include "wimlib/win32.h"
+
#include "wimlib/assert.h"
#include "wimlib/error.h"
#include "wimlib/lookup_table.h"
#include "wimlib/util.h"
#include "wimlib/wimboot.h"
+#include "wimlib/win32.h"
#include "wimlib/wof.h"
static HANDLE
extents, extents_size))
break;
if (GetLastError() != ERROR_MORE_DATA) {
- ERROR("\"%ls\": Can't get volume extent info (err="PRIu32")",
+ ERROR("\"%ls\": Can't get volume extent info (err=%"PRIu32")",
vol_name, (u32)GetLastError());
ret = WIMLIB_ERR_READ;
goto out;
*
* @h
* Open handle to the file, with GENERIC_WRITE access.
- * @printable_name
- * Printable representation of the path to the file.
* @lte
* Unnamed data stream of the file.
* @data_source_id
* %true if the WOF driver appears to be available and working; %false if
* not.
*
- * Returns 0 on success, or a positive error code on failure.
+ * Returns %true on success, or %false on failure with GetLastError() set.
*/
-int
+bool
wimboot_set_pointer(HANDLE h,
- const wchar_t *printable_name,
const struct wim_lookup_table_entry *lte,
u64 data_source_id,
const u8 lookup_table_hash[SHA1_HASH_SIZE],
if (wof_running) {
/* The WOF driver is running. We can create the reparse point
* using FSCTL_SET_EXTERNAL_BACKING. */
-
+ unsigned int max_retries = 4;
struct {
struct wof_external_info wof_info;
struct wim_provider_external_info wim_info;
} in;
+ retry:
+ memset(&in, 0, sizeof(in));
+
in.wof_info.version = WOF_CURRENT_VERSION;
in.wof_info.provider = WOF_PROVIDER_WIM;
if (!DeviceIoControl(h, FSCTL_SET_EXTERNAL_BACKING,
&in, sizeof(in), NULL, 0,
&bytes_returned, NULL))
- goto fail;
+ {
+ /* Try to track down sporadic errors */
+ if (wimlib_print_errors) {
+ WARNING("FSCTL_SET_EXTERNAL_BACKING failed (err=%u); data was %zu bytes:",
+ (u32)GetLastError(), sizeof(in));
+ print_byte_field((const u8 *)&in, sizeof(in), wimlib_error_file);
+ putc('\n', wimlib_error_file);
+ }
+ if (--max_retries) {
+ WARNING("Retrying after 100ms...");
+ Sleep(100);
+ goto retry;
+ }
+ WARNING("Too many retries; returning failure");
+ return false;
+ }
} else {
/* The WOF driver is running. We need to create the reparse
if (!DeviceIoControl(h, FSCTL_SET_REPARSE_POINT,
&in, sizeof(in), NULL, 0, &bytes_returned, NULL))
- goto fail;
+ return false;
/* We also need to create an unnamed data stream of the correct
* size. Otherwise the file shows up as zero length. It can be
* are unimportant. */
if (!DeviceIoControl(h, FSCTL_SET_SPARSE, NULL, 0, NULL, 0,
&bytes_returned, NULL))
- goto fail;
+ return false;
if (!SetFilePointerEx(h,
(LARGE_INTEGER){ .QuadPart = lte->size},
NULL, FILE_BEGIN))
- goto fail;
+ return false;
if (!SetEndOfFile(h))
- goto fail;
+ return false;
}
- return 0;
-
-fail:
- err = GetLastError();
- set_errno_from_win32_error(err);
- ERROR_WITH_ERRNO("\"%ls\": Couldn't set WIMBoot pointer data "
- "(err=%"PRIu32")", printable_name, (u32)err);
- return WIMLIB_ERR_WIMBOOT;
+ return true;
}
#endif /* __WIN32__ */