1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 #pragma weak shmat = _shmat 34 #pragma weak shmctl = _shmctl 35 #pragma weak shmctl64 = _shmctl64 36 #pragma weak shmdt = _shmdt 37 #pragma weak shmget = _shmget 38 #pragma weak shmids = _shmids 39 40 #include "synonyms.h" 41 #include <sys/types.h> 42 #include <sys/ipc.h> 43 #include <sys/ipc_impl.h> 44 #include <sys/shm.h> 45 #include <sys/shm_impl.h> 46 #include <sys/syscall.h> 47 #include <errno.h> 48 49 void * 50 shmat(int shmid, const void *shmaddr, int shmflg) 51 { 52 sysret_t rval; 53 int error; 54 55 error = __systemcall(&rval, SYS_shmsys, SHMAT, shmid, shmaddr, shmflg); 56 if (error) 57 (void) __set_errno(error); 58 return ((void *)rval.sys_rval1); 59 } 60 61 int 62 shmctl(int shmid, int cmd, struct shmid_ds *buf) 63 { 64 if (cmd == IPC_SET64 || cmd == IPC_STAT64) { 65 (void) __set_errno(EINVAL); 66 return (-1); 67 } 68 return (syscall(SYS_shmsys, SHMCTL, shmid, cmd, buf)); 69 } 70 71 int 72 shmctl64(int shmid, int cmd, struct shmid_ds64 *buf) 73 { 74 if (cmd != IPC_SET64 && cmd != IPC_STAT64) { 75 (void) __set_errno(EINVAL); 76 return (-1); 77 } 78 return (syscall(SYS_shmsys, SHMCTL, shmid, cmd, buf)); 79 } 80 81 int 82 shmdt(char *shmaddr) 83 { 84 return (syscall(SYS_shmsys, SHMDT, shmaddr)); 85 } 86 87 int 88 shmget(key_t key, size_t size, int shmflg) 89 { 90 return (syscall(SYS_shmsys, SHMGET, key, size, shmflg)); 91 } 92 93 int 94 shmids(int *buf, uint_t nids, uint_t *pnids) 95 { 96 return (syscall(SYS_shmsys, SHMIDS, buf, nids, pnids)); 97 } 98