#ifndef __ASM_GENERIC_SEMBUF_H#define __ASM_GENERIC_SEMBUF_H #include <asm/bitsperlong.h> /* * The semid64_ds structure for x86 architecture. * Note extra padding because this structure is passed back and forth * between kernel and user space. * * semid64_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 two 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 semid64_ds {	struct ipc64_perm sem_perm;	/* permissions .. see ipc.h */	__kernel_time_t	sem_otime;	/* last semop time */#if __BITS_PER_LONG != 64	unsigned long	__unused1;#endif	__kernel_time_t	sem_ctime;	/* last change time */#if __BITS_PER_LONG != 64	unsigned long	__unused2;#endif	unsigned long	sem_nsems;	/* no. of semaphores in array */	unsigned long	__unused3;	unsigned long	__unused4;}; #endif /* __ASM_GENERIC_SEMBUF_H */