diff options
Diffstat (limited to 'winsup/cygwin/mtinfo.h')
| -rw-r--r-- | winsup/cygwin/mtinfo.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/winsup/cygwin/mtinfo.h b/winsup/cygwin/mtinfo.h index 4cf92bc26..52dd6b24f 100644 --- a/winsup/cygwin/mtinfo.h +++ b/winsup/cygwin/mtinfo.h @@ -9,7 +9,7 @@ Cygwin license. Please consult the file "CYGWIN_LICENSE" for details. */ #define MTINFO_MAGIC 0x179b2af0 -#define MTINFO_VERSION 1 +#define MTINFO_VERSION 2 /* Maximum number of supported partitions per drive. */ #define MAX_PARTITION_NUM 64 @@ -33,7 +33,8 @@ enum dirty_state { clean, has_read, - has_written + has_written, + async_write_pending }; enum lock_state @@ -67,9 +68,11 @@ class mtinfo_drive lock_state lock; TAPE_GET_DRIVE_PARAMETERS _dp; TAPE_GET_MEDIA_PARAMETERS _mp; + OVERLAPPED ov; struct status_flags { unsigned buffer_writes : 1; + unsigned async_writes : 1; unsigned two_fm : 1; unsigned fast_eom : 1; unsigned auto_lock : 1; @@ -101,6 +104,7 @@ class mtinfo_drive int set_blocksize (HANDLE mt, long count); int get_status (HANDLE mt, struct mtget *get); int set_options (HANDLE mt, long options); + int async_wait (HANDLE mt, DWORD *bytes_written); public: void initialize (int num, bool first_time); @@ -108,12 +112,13 @@ public: int get_mp (HANDLE mt); int open (HANDLE mt); int close (HANDLE mt, bool rewind); - int read (HANDLE mt, void *ptr, size_t &ulen); - int write (HANDLE mt, const void *ptr, size_t &len); + int read (HANDLE mt, HANDLE mt_evt, void *ptr, size_t &ulen); + int write (HANDLE mt, HANDLE mt_evt, const void *ptr, size_t &len); int ioctl (HANDLE mt, unsigned int cmd, void *buf); int set_pos (HANDLE mt, int mode, long count, bool sfm_func); IMPLEMENT_STATUS_FLAG (bool, buffer_writes) + IMPLEMENT_STATUS_FLAG (bool, async_writes) IMPLEMENT_STATUS_FLAG (bool, two_fm) IMPLEMENT_STATUS_FLAG (bool, fast_eom) IMPLEMENT_STATUS_FLAG (bool, auto_lock) |