xref: /linux/arch/x86/include/uapi/asm/msgbuf.h (revision 3d0fe49454652117522f60bfbefb978ba0e5300b)
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 #include <asm/ipcbuf.h>
10 
11 /*
12  * The msqid64_ds structure for x86 architecture with x32 ABI.
13  *
14  * On x86-32 and x86-64 we can just use the generic definition, but
15  * x32 uses the same binary layout as x86_64, which is different
16  * from other 32-bit architectures.
17  */
18 
19 struct msqid64_ds {
20 	struct ipc64_perm msg_perm;
21 	__kernel_long_t msg_stime;	/* last msgsnd time */
22 	__kernel_long_t msg_rtime;	/* last msgrcv time */
23 	__kernel_long_t msg_ctime;	/* last change time */
24 	__kernel_ulong_t msg_cbytes;	/* current number of bytes on queue */
25 	__kernel_ulong_t msg_qnum;	/* number of messages in queue */
26 	__kernel_ulong_t msg_qbytes;	/* max number of bytes on queue */
27 	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
28 	__kernel_pid_t msg_lrpid;	/* last receive pid */
29 	__kernel_ulong_t __unused4;
30 	__kernel_ulong_t __unused5;
31 };
32 
33 #endif
34 
35 #endif /* __ASM_GENERIC_MSGBUF_H */
36