f63cd251b2
It looks like our "struct shmid_ds::shm_nattch" deviates from the standard in the sense that it is a signed integer, whereas POSIX requires that it is unsigned, having a special type shmatt_t. Patch up our native and 32-bit copies to use a new shmatt_t that is an unsigned integer. As it's unsigned, we can relax the comparisons that are performed on it. Leave the Linux, iBCS2, etc. copies of the structure alone. Reviewed by: ngie Differential Revision: https://reviews.freebsd.org/D6655
161 lines
3.8 KiB
C
161 lines
3.8 KiB
C
/*-
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* Copyright (c) 2002 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _COMPAT_FREEBSD32_FREEBSD32_IPC_H_
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#define _COMPAT_FREEBSD32_FREEBSD32_IPC_H_
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struct ipc_perm32 {
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uid_t cuid;
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gid_t cgid;
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uid_t uid;
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gid_t gid;
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mode_t mode;
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uint16_t seq;
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uint32_t key;
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};
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struct semid_ds32 {
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struct ipc_perm32 sem_perm;
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uint32_t sem_base;
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unsigned short sem_nsems;
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int32_t sem_otime;
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int32_t sem_ctime;
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};
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union semun32 {
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int val;
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uint32_t buf;
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uint32_t array;
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};
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struct msqid_ds32 {
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struct ipc_perm32 msg_perm;
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uint32_t msg_first;
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uint32_t msg_last;
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uint32_t msg_cbytes;
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uint32_t msg_qnum;
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uint32_t msg_qbytes;
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pid_t msg_lspid;
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pid_t msg_lrpid;
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int32_t msg_stime;
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int32_t msg_rtime;
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int32_t msg_ctime;
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};
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struct shmid_ds32 {
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struct ipc_perm32 shm_perm;
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int32_t shm_segsz;
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pid_t shm_lpid;
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pid_t shm_cpid;
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unsigned int shm_nattch;
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int32_t shm_atime;
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int32_t shm_dtime;
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int32_t shm_ctime;
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};
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struct shm_info32 {
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int32_t used_ids;
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uint32_t shm_tot;
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uint32_t shm_rss;
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uint32_t shm_swp;
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uint32_t swap_attempts;
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uint32_t swap_successes;
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};
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struct shminfo32 {
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uint32_t shmmax;
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uint32_t shmmin;
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uint32_t shmmni;
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uint32_t shmseg;
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uint32_t shmall;
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};
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#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \
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defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7)
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struct ipc_perm32_old {
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uint16_t cuid;
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uint16_t cgid;
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uint16_t uid;
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uint16_t gid;
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uint16_t mode;
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uint16_t seq;
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uint32_t key;
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};
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struct semid_ds32_old {
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struct ipc_perm32_old sem_perm;
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uint32_t sem_base;
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unsigned short sem_nsems;
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int32_t sem_otime;
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int32_t sem_pad1;
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int32_t sem_ctime;
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int32_t sem_pad2;
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int32_t sem_pad3[4];
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};
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struct msqid_ds32_old {
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struct ipc_perm32_old msg_perm;
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uint32_t msg_first;
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uint32_t msg_last;
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uint32_t msg_cbytes;
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uint32_t msg_qnum;
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uint32_t msg_qbytes;
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pid_t msg_lspid;
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pid_t msg_lrpid;
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int32_t msg_stime;
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int32_t msg_pad1;
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int32_t msg_rtime;
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int32_t msg_pad2;
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int32_t msg_ctime;
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int32_t msg_pad3;
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int32_t msg_pad4[4];
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};
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struct shmid_ds32_old {
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struct ipc_perm32_old shm_perm;
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int32_t shm_segsz;
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pid_t shm_lpid;
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pid_t shm_cpid;
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int16_t shm_nattch;
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int32_t shm_atime;
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int32_t shm_dtime;
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int32_t shm_ctime;
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uint32_t shm_internal;
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};
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void freebsd32_ipcperm_old_in(struct ipc_perm32_old *ip32,
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struct ipc_perm *ip);
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void freebsd32_ipcperm_old_out(struct ipc_perm *ip,
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struct ipc_perm32_old *ip32);
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#endif
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void freebsd32_ipcperm_in(struct ipc_perm32 *ip32, struct ipc_perm *ip);
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void freebsd32_ipcperm_out(struct ipc_perm *ip, struct ipc_perm32 *ip32);
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#endif /* !_COMPAT_FREEBSD32_FREEBSD32_IPC_H_ */
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