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| author | Ron Yorston <rmy@pobox.com> | 2021-06-07 16:18:56 +0100 |
|---|---|---|
| committer | Ron Yorston <rmy@pobox.com> | 2021-06-07 16:18:56 +0100 |
| commit | cfac1da2aaccaf45a669b0a53c82a32c8231827c (patch) | |
| tree | 89a19cd3d661d0234e07b55ce7f7718559cc7ad8 /win32/mingw.c | |
| parent | abe872e2a0342357a5608342cb2892e94027b3e7 (diff) | |
| download | busybox-w32-cfac1da2aaccaf45a669b0a53c82a32c8231827c.tar.gz busybox-w32-cfac1da2aaccaf45a669b0a53c82a32c8231827c.tar.bz2 busybox-w32-cfac1da2aaccaf45a669b0a53c82a32c8231827c.zip | |
win32: partial implementation of sync(2)
Provide a partial implementation of sync(2), so sync(1) can actually
do something in some circumstances:
- Only logical drives are handled.
- Flushing buffers requires administrative privileges. If run as
a normal user nothing will happen.
Diffstat (limited to 'win32/mingw.c')
| -rw-r--r-- | win32/mingw.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/win32/mingw.c b/win32/mingw.c index 3183cd78e..a65a0a6d1 100644 --- a/win32/mingw.c +++ b/win32/mingw.c | |||
| @@ -1666,6 +1666,29 @@ int mingw_rmdir(const char *path) | |||
| 1666 | return rmdir(path); | 1666 | return rmdir(path); |
| 1667 | } | 1667 | } |
| 1668 | 1668 | ||
| 1669 | void mingw_sync(void) | ||
| 1670 | { | ||
| 1671 | HANDLE h; | ||
| 1672 | FILE *mnt; | ||
| 1673 | struct mntent *entry; | ||
| 1674 | char name[] = "\\\\.\\C:"; | ||
| 1675 | |||
| 1676 | mnt = setmntent(bb_path_mtab_file, "r"); | ||
| 1677 | if (mnt) { | ||
| 1678 | while ((entry=getmntent(mnt)) != NULL) { | ||
| 1679 | name[4] = entry->mnt_dir[0]; | ||
| 1680 | h = CreateFile(name, GENERIC_READ | GENERIC_WRITE, | ||
| 1681 | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, | ||
| 1682 | OPEN_EXISTING, 0, NULL); | ||
| 1683 | if (h != INVALID_HANDLE_VALUE) { | ||
| 1684 | FlushFileBuffers(h); | ||
| 1685 | CloseHandle(h); | ||
| 1686 | } | ||
| 1687 | } | ||
| 1688 | endmntent(mnt); | ||
| 1689 | } | ||
| 1690 | } | ||
| 1691 | |||
| 1669 | #define NUMEXT 5 | 1692 | #define NUMEXT 5 |
| 1670 | static const char win_suffix[NUMEXT][4] = { "sh", "com", "exe", "bat", "cmd" }; | 1693 | static const char win_suffix[NUMEXT][4] = { "sh", "com", "exe", "bat", "cmd" }; |
| 1671 | 1694 | ||