2002-03-04 Robert Collins <rbtcollins@hotmail.com>

* cygserver_shm.cc: Run indent.
        (deleted_head): New global for storing shm id's pending deletion.
        (client_request_shm::serve): Return ENOSYS for invalid request types.
        Implement SHM_DEL - delete a shm id.
        * cygserver_shm.h (SHM_DEL): New type value.
        * shm.cc (delete_inprocess_shmds): New function, does what it's name implies.
        (shmctl): Implement shm_rmid control type.

winsup/cygwin/cygserver_shm.h

@@ -17,6 +17,7 @@ details. */
 #define SHM_REATTACH 1
 #define SHM_ATTACH 2
 #define SHM_DETACH 3
+#define SHM_DEL    4
 
 
 class client_request_shm : public client_request