[linux.git] / include / uapi / asm-generic / msgbuf.h

#ifndef __ASM_GENERIC_MSGBUF_H
#define __ASM_GENERIC_MSGBUF_H

#include <asm/bitsperlong.h>
/*
 * generic msqid64_ds structure.
 *
 * Note extra padding because this structure is passed back and forth
 * between kernel and user space.
 *
 * msqid64_ds was originally meant to be architecture specific, but
 * everyone just ended up making identical copies without specific
 * optimizations, so we may just as well all use the same one.
 *
 * 64 bit architectures typically define a 64 bit __kernel_time_t,
 * so they do not need the first three padding words.
 * On big-endian systems, the padding is in the wrong place.
 *
 * 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 */
#if __BITS_PER_LONG != 64
	unsigned long	__unused1;
#endif
	__kernel_time_t msg_rtime;	/* last msgrcv time */
#if __BITS_PER_LONG != 64
	unsigned long	__unused2;
#endif
	__kernel_time_t msg_ctime;	/* last change time */
#if __BITS_PER_LONG != 64
	unsigned long	__unused3;
#endif
	__kernel_ulong_t msg_cbytes;	/* current number of bytes on queue */
	__kernel_ulong_t msg_qnum;	/* number of messages in queue */
	__kernel_ulong_t 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 */
	__kernel_ulong_t __unused4;
	__kernel_ulong_t __unused5;
};

#endif /* __ASM_GENERIC_MSGBUF_H */
Commit	Line	Data
2864d32b AB	1	#ifndef __ASM_GENERIC_MSGBUF_H
	2	#define __ASM_GENERIC_MSGBUF_H
	3
	4	#include <asm/bitsperlong.h>
	5	/*
	6	* generic msqid64_ds structure.
	7	*
	8	* Note extra padding because this structure is passed back and forth
	9	* between kernel and user space.
	10	*
	11	* msqid64_ds was originally meant to be architecture specific, but
	12	* everyone just ended up making identical copies without specific
	13	* optimizations, so we may just as well all use the same one.
	14	*
	15	* 64 bit architectures typically define a 64 bit __kernel_time_t,
	16	* so they do not need the first three padding words.
	17	* On big-endian systems, the padding is in the wrong place.
	18	*
	19	* Pad space is left for:
	20	* - 64-bit time_t to solve y2038 problem
	21	* - 2 miscellaneous 32-bit values
	22	*/
	23
	24	struct msqid64_ds {
	25	struct ipc64_perm msg_perm;
	26	__kernel_time_t msg_stime; /* last msgsnd time */
	27	#if __BITS_PER_LONG != 64
	28	unsigned long __unused1;
	29	#endif
	30	__kernel_time_t msg_rtime; /* last msgrcv time */
	31	#if __BITS_PER_LONG != 64
	32	unsigned long __unused2;
	33	#endif
	34	__kernel_time_t msg_ctime; /* last change time */
	35	#if __BITS_PER_LONG != 64
	36	unsigned long __unused3;
	37	#endif
b9cd5ca2 L	38	__kernel_ulong_t msg_cbytes; /* current number of bytes on queue */
	39	__kernel_ulong_t msg_qnum; /* number of messages in queue */
	40	__kernel_ulong_t msg_qbytes; /* max number of bytes on queue */
2864d32b AB	41	__kernel_pid_t msg_lspid; /* pid of last msgsnd */
2864d32b AB	42	__kernel_pid_t msg_lrpid; /* last receive pid */
b9cd5ca2 L	43	__kernel_ulong_t __unused4;
b9cd5ca2 L	44	__kernel_ulong_t __unused5;
2864d32b AB	45	};
	46
	47	#endif /* __ASM_GENERIC_MSGBUF_H */