diff options
Diffstat (limited to 'winsup/cygwin/shared.cc')
| -rw-r--r-- | winsup/cygwin/shared.cc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/winsup/cygwin/shared.cc b/winsup/cygwin/shared.cc index 7e155ebeb..01584873e 100644 --- a/winsup/cygwin/shared.cc +++ b/winsup/cygwin/shared.cc @@ -55,7 +55,7 @@ shared_name (const char *str, int num) } void * __stdcall -open_shared (const char *name, HANDLE &shared_h, DWORD size, void *addr) +open_shared (const char *name, int n, HANDLE &shared_h, DWORD size, void *addr) { void *shared; @@ -66,7 +66,7 @@ open_shared (const char *name, HANDLE &shared_h, DWORD size, void *addr) mapname = NULL; else { - mapname = shared_name (name, 0); + mapname = shared_name (name, n); shared_h = OpenFileMappingA (FILE_MAP_READ | FILE_MAP_WRITE, TRUE, mapname); } @@ -127,6 +127,7 @@ memory_init () /* Initialize general shared memory */ HANDLE shared_h = cygheap ? cygheap->shared_h : NULL; cygwin_shared = (shared_info *) open_shared ("shared", + CYGWIN_VERSION_SHARED_DATA, shared_h, sizeof (*cygwin_shared), cygwin_shared_address); @@ -151,7 +152,8 @@ memory_init () ProtectHandle (cygheap->shared_h); heap_init (); - mount_table = (mount_info *) open_shared (user_name, cygwin_mount_h, + mount_table = (mount_info *) open_shared (user_name, MOUNT_VERSION, + cygwin_mount_h, sizeof (mount_info), 0); debug_printf ("opening mount table for '%s' at %p", cygheap->user.name (), mount_table_address); @@ -165,6 +167,9 @@ memory_init () debug_printf ("initializing mount table"); mount_table->init (); /* Initialize the mount table. */ } + else if (mount_table->version != MOUNT_VERSION) + multiple_cygwin_die (); + } void __stdcall |