kernel-ark/include/asm-x86/shmbuf.h
Thomas Gleixner 079091a450 x86: merge shmbuf_32/64.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-23 22:37:24 +02:00

52 lines
1.3 KiB
C

#ifndef _ASM_X86_SHMBUF_H
#define _ASM_X86_SHMBUF_H
/*
* The shmid64_ds structure for x86 architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space on 32 bit is left for:
* - 64-bit time_t to solve y2038 problem
* - 2 miscellaneous 32-bit values
*
* Pad space on 64 bit is left for:
* - 2 miscellaneous 64-bit values
*/
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
size_t shm_segsz; /* size of segment (bytes) */
__kernel_time_t shm_atime; /* last attach time */
#ifdef __i386__
unsigned long __unused1;
#endif
__kernel_time_t shm_dtime; /* last detach time */
#ifdef __i386__
unsigned long __unused2;
#endif
__kernel_time_t shm_ctime; /* last change time */
#ifdef __i386__
unsigned long __unused3;
#endif
__kernel_pid_t shm_cpid; /* pid of creator */
__kernel_pid_t shm_lpid; /* pid of last operator */
unsigned long shm_nattch; /* no. of current attaches */
unsigned long __unused4;
unsigned long __unused5;
};
struct shminfo64 {
unsigned long shmmax;
unsigned long shmmin;
unsigned long shmmni;
unsigned long shmseg;
unsigned long shmall;
unsigned long __unused1;
unsigned long __unused2;
unsigned long __unused3;
unsigned long __unused4;
};
#endif /* _ASM_X86_SHMBUF_H */