| sysv_msg.c (194894) | sysv_msg.c (194910) |
|---|---|
| 1/*- 2 * Implementation of SVID messages 3 * 4 * Author: Daniel Boulet 5 * 6 * Copyright 1993 Daniel Boulet and RTMX Inc. 7 * 8 * This system call was implemented by Daniel Boulet under contract from RTMX. --- 34 unchanged lines hidden (view full) --- 43 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 45 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 46 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 47 * SUCH DAMAGE. 48 */ 49 50#include <sys/cdefs.h> | 1/*- 2 * Implementation of SVID messages 3 * 4 * Author: Daniel Boulet 5 * 6 * Copyright 1993 Daniel Boulet and RTMX Inc. 7 * 8 * This system call was implemented by Daniel Boulet under contract from RTMX. --- 34 unchanged lines hidden (view full) --- 43 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 45 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 46 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 47 * SUCH DAMAGE. 48 */ 49 50#include <sys/cdefs.h> |
| 51__FBSDID("$FreeBSD: head/sys/kern/sysv_msg.c 194894 2009-06-24 20:01:13Z jhb $"); | 51__FBSDID("$FreeBSD: head/sys/kern/sysv_msg.c 194910 2009-06-24 21:10:52Z jhb $"); |
| 52 53#include "opt_compat.h" 54#include "opt_sysvipc.h" 55 56#include <sys/param.h> 57#include <sys/systm.h> 58#include <sys/sysproto.h> 59#include <sys/kernel.h> --- 1195 unchanged lines hidden (view full) --- 1255SYSCTL_INT(_kern_ipc, OID_AUTO, msgseg, CTLFLAG_RDTUN, &msginfo.msgseg, 0, 1256 "Number of message segments"); 1257SYSCTL_PROC(_kern_ipc, OID_AUTO, msqids, CTLFLAG_RD, 1258 NULL, 0, sysctl_msqids, "", "Message queue IDs"); 1259 1260#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1261 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1262SYSCALL_MODULE_HELPER(msgsys); | 52 53#include "opt_compat.h" 54#include "opt_sysvipc.h" 55 56#include <sys/param.h> 57#include <sys/systm.h> 58#include <sys/sysproto.h> 59#include <sys/kernel.h> --- 1195 unchanged lines hidden (view full) --- 1255SYSCTL_INT(_kern_ipc, OID_AUTO, msgseg, CTLFLAG_RDTUN, &msginfo.msgseg, 0, 1256 "Number of message segments"); 1257SYSCTL_PROC(_kern_ipc, OID_AUTO, msqids, CTLFLAG_RD, 1258 NULL, 0, sysctl_msqids, "", "Message queue IDs"); 1259 1260#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1261 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1262SYSCALL_MODULE_HELPER(msgsys); |
| 1263SYSCALL_MODULE_HELPER(freebsd7_msgctl); |
|
| 1263 1264/* XXX casting to (sy_call_t *) is bogus, as usual. */ 1265static sy_call_t *msgcalls[] = { | 1264 1265/* XXX casting to (sy_call_t *) is bogus, as usual. */ 1266static sy_call_t *msgcalls[] = { |
| 1266 (sy_call_t *)msgctl, (sy_call_t *)msgget, | 1267 (sy_call_t *)freebsd7_msgctl, (sy_call_t *)msgget, |
| 1267 (sy_call_t *)msgsnd, (sy_call_t *)msgrcv 1268}; 1269 1270/* 1271 * Entry point for all MSG calls. 1272 */ 1273int 1274msgsys(td, uap) --- 13 unchanged lines hidden (view full) --- 1288 if (!prison_allow(td->td_ucred, PR_ALLOW_SYSVIPC)) 1289 return (ENOSYS); 1290 if (uap->which < 0 || 1291 uap->which >= sizeof(msgcalls)/sizeof(msgcalls[0])) 1292 return (EINVAL); 1293 error = (*msgcalls[uap->which])(td, &uap->a2); 1294 return (error); 1295} | 1268 (sy_call_t *)msgsnd, (sy_call_t *)msgrcv 1269}; 1270 1271/* 1272 * Entry point for all MSG calls. 1273 */ 1274int 1275msgsys(td, uap) --- 13 unchanged lines hidden (view full) --- 1289 if (!prison_allow(td->td_ucred, PR_ALLOW_SYSVIPC)) 1290 return (ENOSYS); 1291 if (uap->which < 0 || 1292 uap->which >= sizeof(msgcalls)/sizeof(msgcalls[0])) 1293 return (EINVAL); 1294 error = (*msgcalls[uap->which])(td, &uap->a2); 1295 return (error); 1296} |
| 1297 1298#define CP(src, dst, fld) do { (dst).fld = (src).fld; } while (0) 1299 1300#ifndef _SYS_SYSPROTO_H_ 1301struct freebsd7_msgctl_args { 1302 int msqid; 1303 int cmd; 1304 struct msqid_ds_old *buf; 1305}; 1306#endif 1307int 1308freebsd7_msgctl(td, uap) 1309 struct thread *td; 1310 struct freebsd7_msgctl_args *uap; 1311{ 1312 struct msqid_ds_old msqold; 1313 struct msqid_ds msqbuf; 1314 int error; 1315 1316 DPRINTF(("call to freebsd7_msgctl(%d, %d, %p)\n", uap->msqid, uap->cmd, 1317 uap->buf)); 1318 if (uap->cmd == IPC_SET) { 1319 error = copyin(uap->buf, &msqold, sizeof(msqold)); 1320 if (error) 1321 return (error); 1322 ipcperm_old2new(&msqold.msg_perm, &msqbuf.msg_perm); 1323 CP(msqold, msqbuf, msg_first); 1324 CP(msqold, msqbuf, msg_last); 1325 CP(msqold, msqbuf, msg_cbytes); 1326 CP(msqold, msqbuf, msg_qnum); 1327 CP(msqold, msqbuf, msg_qbytes); 1328 CP(msqold, msqbuf, msg_lspid); 1329 CP(msqold, msqbuf, msg_lrpid); 1330 CP(msqold, msqbuf, msg_stime); 1331 CP(msqold, msqbuf, msg_rtime); 1332 CP(msqold, msqbuf, msg_ctime); 1333 } 1334 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1335 if (error) 1336 return (error); 1337 if (uap->cmd == IPC_STAT) { 1338 bzero(&msqold, sizeof(msqold)); 1339 ipcperm_new2old(&msqbuf.msg_perm, &msqold.msg_perm); 1340 CP(msqbuf, msqold, msg_first); 1341 CP(msqbuf, msqold, msg_last); 1342 CP(msqbuf, msqold, msg_cbytes); 1343 CP(msqbuf, msqold, msg_qnum); 1344 CP(msqbuf, msqold, msg_qbytes); 1345 CP(msqbuf, msqold, msg_lspid); 1346 CP(msqbuf, msqold, msg_lrpid); 1347 CP(msqbuf, msqold, msg_stime); 1348 CP(msqbuf, msqold, msg_rtime); 1349 CP(msqbuf, msqold, msg_ctime); 1350 error = copyout(&msqold, uap->buf, sizeof(struct msqid_ds_old)); 1351 } 1352 return (error); 1353} 1354 1355#undef CP 1356 |
|
| 1296#endif /* COMPAT_FREEBSD4 || COMPAT_FREEBSD5 || COMPAT_FREEBSD6 || 1297 COMPAT_FREEBSD7 */ | 1357#endif /* COMPAT_FREEBSD4 || COMPAT_FREEBSD5 || COMPAT_FREEBSD6 || 1358 COMPAT_FREEBSD7 */ |