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| author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-23 22:37:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-23 22:37:24 +0200 |
| commit | 079091a450ed5a0001c2ee9dadd8ddaceddb91b5 (patch) | |
| tree | 38f08cadd02fc5cff5718d2615ad586329c432f6 /include/asm-x86/shmbuf.h | |
| parent | x86: merge ptrace_32/64.h (diff) | |
| download | linux-079091a450ed5a0001c2ee9dadd8ddaceddb91b5.tar.xz linux-079091a450ed5a0001c2ee9dadd8ddaceddb91b5.zip | |
x86: merge shmbuf_32/64.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/shmbuf.h')
| -rw-r--r-- | include/asm-x86/shmbuf.h | 62 |
1 files changed, 50 insertions, 12 deletions
diff --git a/include/asm-x86/shmbuf.h b/include/asm-x86/shmbuf.h index e85f1cb11217..b51413b74971 100644 --- a/include/asm-x86/shmbuf.h +++ b/include/asm-x86/shmbuf.h @@ -1,13 +1,51 @@ -#ifdef __KERNEL__ -# ifdef CONFIG_X86_32 -# include "shmbuf_32.h" -# else -# include "shmbuf_64.h" -# endif -#else -# ifdef __i386__ -# include "shmbuf_32.h" -# else -# include "shmbuf_64.h" -# endif +#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 */ |