/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifdef __APPLE_PR3375657_HACK__ #include <stdio.h> #include <sys/syscall.h> #include <sys/types.h> #include <unistd.h> #include <alloca.h> #include <string.h> __private_extern__ int _shm_match(const char *name); int shm_open (const char *name, int flags, mode_t mode) { char *buffer; /* * To work-around applications that don't play * well in multiple GUI sessions, we append * shared memory names with the effective user ID. * It would be better to append the region name * with a session ID, but nothing like that * exists at this level of the system yet. */ if (_shm_match(name) && (buffer = alloca(strlen(name) + 32)) != NULL) { sprintf(buffer, "%s\t%d", name, geteuid()); name = buffer; } return syscall (SYS_shm_open, name, flags, mode); } #endif /* __APPLE_PR3375657_HACK__ */