Linux Kernel  3.7.1
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sembuf.h
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1 /*
2  * include/asm-xtensa/sembuf.h
3  *
4  * The semid64_ds structure for Xtensa architecture.
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License. See the file "COPYING" in the main directory of this archive
8  * for more details.
9  *
10  * Copyright (C) 2001 - 2005 Tensilica Inc.
11  *
12  * Note extra padding because this structure is passed back and forth
13  * between kernel and user space.
14  *
15  * Pad space is left for:
16  * - 64-bit time_t to solve y2038 problem
17  * - 2 miscellaneous 32-bit values
18  *
19  */
20 
21 #ifndef _XTENSA_SEMBUF_H
22 #define _XTENSA_SEMBUF_H
23 
24 #include <asm/byteorder.h>
25 
26 struct semid64_ds {
27  struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
28 #ifdef __XTENSA_EL__
29  __kernel_time_t sem_otime; /* last semop time */
30  unsigned long __unused1;
31  __kernel_time_t sem_ctime; /* last change time */
32  unsigned long __unused2;
33 #else
34  unsigned long __unused1;
35  __kernel_time_t sem_otime; /* last semop time */
36  unsigned long __unused2;
37  __kernel_time_t sem_ctime; /* last change time */
38 #endif
39  unsigned long sem_nsems; /* no. of semaphores in array */
40  unsigned long __unused3;
41  unsigned long __unused4;
42 };
43 
44 #endif /* __ASM_XTENSA_SEMBUF_H */