diff options
Diffstat (limited to 'winsup/cygwin/fhandler.cc')
| -rw-r--r-- | winsup/cygwin/fhandler.cc | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc index 6931cb6bc..0a119c845 100644 --- a/winsup/cygwin/fhandler.cc +++ b/winsup/cygwin/fhandler.cc @@ -492,6 +492,10 @@ fhandler_base::open_9x (int flags, mode_t mode) file_attributes = FILE_ATTRIBUTE_NORMAL; if (flags & O_DIROPEN) file_attributes |= FILE_FLAG_BACKUP_SEMANTICS; + if (flags & O_SYNC) + file_attributes |= FILE_FLAG_WRITE_THROUGH; + if (flags & O_DIRECT) + file_attributes |= FILE_FLAG_NO_BUFFERING; if (get_major () == DEV_SERIAL_MAJOR) file_attributes |= FILE_FLAG_OVERLAPPED; @@ -599,18 +603,16 @@ fhandler_base::open (int flags, mode_t mode) break; default: create_options = 0; - if (get_major () == DEV_TAPE_MAJOR && (flags & O_TEXT)) - { - /* O_TEXT is used to indicate write-through on tape devices */ - create_options |= FILE_WRITE_THROUGH; - flags &= ~O_TEXT; - } if ((flags & (O_RDONLY | O_WRONLY | O_RDWR)) == O_RDONLY) access = GENERIC_READ; else if ((flags & (O_RDONLY | O_WRONLY | O_RDWR)) == O_WRONLY) access = GENERIC_WRITE | FILE_READ_ATTRIBUTES; else access = GENERIC_READ | GENERIC_WRITE; + if (flags & O_SYNC) + create_options |= FILE_WRITE_THROUGH; + if (flags & O_DIRECT) + create_options |= FILE_NO_INTERMEDIATE_BUFFERING; if (get_major () != DEV_SERIAL_MAJOR && get_major () != DEV_TAPE_MAJOR) { create_options |= FILE_SYNCHRONOUS_IO_NONALERT; |