[net-next-2.6.git] / include / asm-generic / ipcbuf.h

#ifndef __ASM_GENERIC_IPCBUF_H
#define __ASM_GENERIC_IPCBUF_H

/*
 * The generic ipc64_perm structure:
 * Note extra padding because this structure is passed back and forth
 * between kernel and user space.
 *
 * ipc64_perm 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.
 *
 * Pad space is left for:
 * - 32-bit mode_t on architectures that only had 16 bit
 * - 32-bit seq
 * - 2 miscellaneous 32-bit values
 */

struct ipc64_perm {
	__kernel_key_t		key;
	__kernel_uid32_t	uid;
	__kernel_gid32_t	gid;
	__kernel_uid32_t	cuid;
	__kernel_gid32_t	cgid;
	__kernel_mode_t		mode;
				/* pad if mode_t is u16: */
	unsigned char		__pad1[4 - sizeof(__kernel_mode_t)];
	unsigned short		seq;
	unsigned short		__pad2;
	unsigned long		__unused1;
	unsigned long		__unused2;
};

#endif /* __ASM_GENERIC_IPCBUF_H */
Commit	Line	Data
2864d32b AB	1	#ifndef __ASM_GENERIC_IPCBUF_H
	2	#define __ASM_GENERIC_IPCBUF_H
	3
	4	/*
	5	* The generic ipc64_perm structure:
	6	* Note extra padding because this structure is passed back and forth
	7	* between kernel and user space.
	8	*
	9	* ipc64_perm was originally meant to be architecture specific, but
	10	* everyone just ended up making identical copies without specific
	11	* optimizations, so we may just as well all use the same one.
	12	*
	13	* Pad space is left for:
	14	* - 32-bit mode_t on architectures that only had 16 bit
	15	* - 32-bit seq
	16	* - 2 miscellaneous 32-bit values
	17	*/
	18
	19	struct ipc64_perm {
	20	__kernel_key_t key;
	21	__kernel_uid32_t uid;
	22	__kernel_gid32_t gid;
	23	__kernel_uid32_t cuid;
	24	__kernel_gid32_t cgid;
	25	__kernel_mode_t mode;
	26	/* pad if mode_t is u16: */
	27	unsigned char __pad1[4 - sizeof(__kernel_mode_t)];
	28	unsigned short seq;
	29	unsigned short __pad2;
	30	unsigned long __unused1;
	31	unsigned long __unused2;
	32	};
	33
	34	#endif /* __ASM_GENERIC_IPCBUF_H */