diff options
Diffstat (limited to 'winsup/cygwin')
| -rw-r--r-- | winsup/cygwin/ChangeLog | 6 | ||||
| -rw-r--r-- | winsup/cygwin/fhandler_process.cc | 3 | ||||
| -rw-r--r-- | winsup/cygwin/sigproc.cc | 5 |
3 files changed, 11 insertions, 3 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index a7ef9a7d8..2725400c3 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,5 +1,11 @@ 2003-09-16 Christopher Faylor <cgf@redhat.com> + * fhandler_process.cc (fhandler_process::fill_filebuf): Open pinfo with + PID_MAP_RW. + * sigproc.cc (talktome): Ditto for winpids. + +2003-09-16 Christopher Faylor <cgf@redhat.com> + * pinfo.h (winpids::pid_access): New element. (winpids::winpids): Rejigger to set pinfo_access. * pinfo.cc (winpids::add): Try to open shared memory region with diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc index 44b7189b3..2ba1e5326 100644 --- a/winsup/cygwin/fhandler_process.cc +++ b/winsup/cygwin/fhandler_process.cc @@ -245,7 +245,8 @@ out: bool fhandler_process::fill_filebuf () { - pinfo p (pid); + pinfo p (pid, PID_MAP_RW); // PID_MAP_RW for cmdline since it + // needs to signal the other process if (!p) { diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc index dff073049..6c5393795 100644 --- a/winsup/cygwin/sigproc.cc +++ b/winsup/cygwin/sigproc.cc @@ -1056,10 +1056,11 @@ stopped_or_terminated (waitq *parent_w, _pinfo *child) static void talktome () { - winpids pids; + winpids pids ((DWORD) PID_MAP_RW); for (unsigned i = 0; i < pids.npids; i++) if (pids[i]->hello_pid == myself->pid) - pids[i]->commune_recv (); + if (!IsBadWritePtr (pids[i], sizeof (_pinfo))) + pids[i]->commune_recv (); } #define RC_MAIN 0 |