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- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- #ifndef _S390_MSGBUF_H
- #define _S390_MSGBUF_H
- /*
- * The msqid64_ds structure for S/390 architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 64-bit time_t to solve y2038 problem
- * - 2 miscellaneous 32-bit values
- */
- struct msqid64_ds {
- struct ipc64_perm msg_perm;
- __kernel_time_t msg_stime; /* last msgsnd time */
- #ifndef __s390x__
- unsigned long __unused1;
- #endif /* ! __s390x__ */
- __kernel_time_t msg_rtime; /* last msgrcv time */
- #ifndef __s390x__
- unsigned long __unused2;
- #endif /* ! __s390x__ */
- __kernel_time_t msg_ctime; /* last change time */
- #ifndef __s390x__
- unsigned long __unused3;
- #endif /* ! __s390x__ */
- unsigned long msg_cbytes; /* current number of bytes on queue */
- unsigned long msg_qnum; /* number of messages in queue */
- unsigned long msg_qbytes; /* max number of bytes on queue */
- __kernel_pid_t msg_lspid; /* pid of last msgsnd */
- __kernel_pid_t msg_lrpid; /* last receive pid */
- unsigned long __unused4;
- unsigned long __unused5;
- };
- #endif /* _S390_MSGBUF_H */
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