diff options
| -rw-r--r-- | winsup/cygwin/ChangeLog | 5 | ||||
| -rw-r--r-- | winsup/cygwin/dtable.cc | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 4c2fe767c..c0f9da6d6 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,8 @@ +2010-04-21 Corinna Vinschen <corinna@vinschen.de> + + * dtable.cc (dtable::init_std_file_from_handle): Set access mask for + the slave side of ttys explicitely. Explain why. + 2010-04-20 Christopher Faylor <me+cygwin@cgf.cx> * path.cc (cygwin_create_path): Free memory on error. diff --git a/winsup/cygwin/dtable.cc b/winsup/cygwin/dtable.cc index 67f9b4144..7f52c9750 100644 --- a/winsup/cygwin/dtable.cc +++ b/winsup/cygwin/dtable.cc @@ -363,8 +363,9 @@ dtable::init_std_file_from_handle (int fd, HANDLE handle) FILE_ACCESS_INFORMATION fai; /* Console windows are not kernel objects, so the access mask returned - by NtQueryInformationFile is meaningless. */ - if (dev == FH_TTY || dev == FH_CONSOLE) + by NtQueryInformationFile is meaningless. CMD always hands down + stdin handles as R/O handles, but our tty slave sides are R/W. */ + if (dev == FH_TTY || dev == FH_CONSOLE || dev.major == DEV_TTYS_MAJOR) access |= GENERIC_READ | GENERIC_WRITE; else if (NT_SUCCESS (NtQueryInformationFile (handle, &io, &fai, sizeof fai, |