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/arch/parisc/include/asm/shmbuf.h

https://github.com/aicjofs/android_kernel_lge_v500_20d
C Header | 58 lines | 40 code | 4 blank | 14 comment | 0 complexity | cad956e04d2b8365bee54d4565dd8143 MD5 | raw file
 1#ifndef _PARISC_SHMBUF_H
 2#define _PARISC_SHMBUF_H
 3
 4/* 
 5 * The shmid64_ds structure for parisc architecture.
 6 * Note extra padding because this structure is passed back and forth
 7 * between kernel and user space.
 8 *
 9 * Pad space is left for:
10 * - 64-bit time_t to solve y2038 problem
11 * - 2 miscellaneous 32-bit values
12 */
13
14struct shmid64_ds {
15	struct ipc64_perm	shm_perm;	/* operation perms */
16#ifndef CONFIG_64BIT
17	unsigned int		__pad1;
18#endif
19	__kernel_time_t		shm_atime;	/* last attach time */
20#ifndef CONFIG_64BIT
21	unsigned int		__pad2;
22#endif
23	__kernel_time_t		shm_dtime;	/* last detach time */
24#ifndef CONFIG_64BIT
25	unsigned int		__pad3;
26#endif
27	__kernel_time_t		shm_ctime;	/* last change time */
28#ifndef CONFIG_64BIT
29	unsigned int		__pad4;
30#endif
31	size_t			shm_segsz;	/* size of segment (bytes) */
32	__kernel_pid_t		shm_cpid;	/* pid of creator */
33	__kernel_pid_t		shm_lpid;	/* pid of last operator */
34	unsigned int		shm_nattch;	/* no. of current attaches */
35	unsigned int		__unused1;
36	unsigned int		__unused2;
37};
38
39#ifdef CONFIG_64BIT
40/* The 'unsigned int' (formerly 'unsigned long') data types below will
41 * ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on
42 * a wide kernel, but if some of these values are meant to contain pointers
43 * they may need to be 'long long' instead. -PB XXX FIXME
44 */
45#endif
46struct shminfo64 {
47	unsigned int	shmmax;
48	unsigned int	shmmin;
49	unsigned int	shmmni;
50	unsigned int	shmseg;
51	unsigned int	shmall;
52	unsigned int	__unused1;
53	unsigned int	__unused2;
54	unsigned int	__unused3;
55	unsigned int	__unused4;
56};
57
58#endif /* _PARISC_SHMBUF_H */