diff options
Diffstat (limited to 'include/asm-x86/msgbuf.h')
| -rw-r--r-- | include/asm-x86/msgbuf.h | 50 |
1 files changed, 38 insertions, 12 deletions
diff --git a/include/asm-x86/msgbuf.h b/include/asm-x86/msgbuf.h index 154f7d64e86..7e4e9481f51 100644 --- a/include/asm-x86/msgbuf.h +++ b/include/asm-x86/msgbuf.h @@ -1,13 +1,39 @@ -#ifdef __KERNEL__ -# ifdef CONFIG_X86_32 -# include "msgbuf_32.h" -# else -# include "msgbuf_64.h" -# endif -#else -# ifdef __i386__ -# include "msgbuf_32.h" -# else -# include "msgbuf_64.h" -# endif +#ifndef _ASM_X86_MSGBUF_H +#define _ASM_X86_MSGBUF_H + +/* + * The msqid64_ds structure for i386 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space on i386 is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + * + * Pad space on x8664 is left for: + * - 2 miscellaneous 64-bit values + */ +struct msqid64_ds { + struct ipc64_perm msg_perm; + __kernel_time_t msg_stime; /* last msgsnd time */ +#ifdef __i386__ + unsigned long __unused1; #endif + __kernel_time_t msg_rtime; /* last msgrcv time */ +#ifdef __i386__ + unsigned long __unused2; +#endif + __kernel_time_t msg_ctime; /* last change time */ +#ifdef __i386__ + unsigned long __unused3; +#endif + unsigned long msg_cbytes; /* current number of bytes on queue */ + unsigned long msg_qnum; /* number of messages in queue */ + unsigned long msg_qbytes; /* max number of bytes on queue */ + __kernel_pid_t msg_lspid; /* pid of last msgsnd */ + __kernel_pid_t msg_lrpid; /* last receive pid */ + unsigned long __unused4; + unsigned long __unused5; +}; + +#endif /* _ASM_X86_MSGBUF_H */ |