| H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 1 | #ifndef _ASM_X86_MSGBUF_H |
| 2 | #define _ASM_X86_MSGBUF_H |
| Thomas Gleixner | 5ca3b0f | 2007-10-23 22:37:24 +0200 | [diff] [blame] | 3 | |
| 4 | /* |
| 5 | * The msqid64_ds structure for i386 architecture. |
| 6 | * Note extra padding because this structure is passed back and forth |
| 7 | * between kernel and user space. |
| 8 | * |
| 9 | * Pad space on i386 is left for: |
| 10 | * - 64-bit time_t to solve y2038 problem |
| 11 | * - 2 miscellaneous 32-bit values |
| 12 | * |
| 13 | * Pad space on x8664 is left for: |
| 14 | * - 2 miscellaneous 64-bit values |
| 15 | */ |
| 16 | struct msqid64_ds { |
| 17 | struct ipc64_perm msg_perm; |
| 18 | __kernel_time_t msg_stime; /* last msgsnd time */ |
| 19 | #ifdef __i386__ |
| 20 | unsigned long __unused1; |
| Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 21 | #endif |
| Thomas Gleixner | 5ca3b0f | 2007-10-23 22:37:24 +0200 | [diff] [blame] | 22 | __kernel_time_t msg_rtime; /* last msgrcv time */ |
| 23 | #ifdef __i386__ |
| 24 | unsigned long __unused2; |
| 25 | #endif |
| 26 | __kernel_time_t msg_ctime; /* last change time */ |
| 27 | #ifdef __i386__ |
| 28 | unsigned long __unused3; |
| 29 | #endif |
| 30 | unsigned long msg_cbytes; /* current number of bytes on queue */ |
| 31 | unsigned long msg_qnum; /* number of messages in queue */ |
| 32 | unsigned long msg_qbytes; /* max number of bytes on queue */ |
| 33 | __kernel_pid_t msg_lspid; /* pid of last msgsnd */ |
| 34 | __kernel_pid_t msg_lrpid; /* last receive pid */ |
| 35 | unsigned long __unused4; |
| 36 | unsigned long __unused5; |
| 37 | }; |
| 38 | |
| H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 39 | #endif /* _ASM_X86_MSGBUF_H */ |