xref: /linux/arch/x86/include/uapi/asm/msgbuf.h (revision b8d312aa075f33282565467662c4628dae0a2aff)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __ASM_X64_MSGBUF_H
3 #define __ASM_X64_MSGBUF_H
4 
5 #if !defined(__x86_64__) || !defined(__ILP32__)
6 #include <asm-generic/msgbuf.h>
7 #else
8 /*
9  * The msqid64_ds structure for x86 architecture with x32 ABI.
10  *
11  * On x86-32 and x86-64 we can just use the generic definition, but
12  * x32 uses the same binary layout as x86_64, which is differnet
13  * from other 32-bit architectures.
14  */
15 
16 struct msqid64_ds {
17 	struct ipc64_perm msg_perm;
18 	__kernel_time_t msg_stime;	/* last msgsnd time */
19 	__kernel_time_t msg_rtime;	/* last msgrcv time */
20 	__kernel_time_t msg_ctime;	/* last change time */
21 	__kernel_ulong_t msg_cbytes;	/* current number of bytes on queue */
22 	__kernel_ulong_t msg_qnum;	/* number of messages in queue */
23 	__kernel_ulong_t msg_qbytes;	/* max number of bytes on queue */
24 	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
25 	__kernel_pid_t msg_lrpid;	/* last receive pid */
26 	__kernel_ulong_t __unused4;
27 	__kernel_ulong_t __unused5;
28 };
29 
30 #endif
31 
32 #endif /* __ASM_GENERIC_MSGBUF_H */
33