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100b10d7 SR |
1 | #ifndef _SPARC_MSGBUF_H |
2 | #define _SPARC_MSGBUF_H | |
1da177e4 | 3 | |
100b10d7 | 4 | /* |
1da177e4 LT |
5 | * The msqid64_ds structure for sparc64 architecture. |
6 | * Note extra padding because this structure is passed back and forth | |
7 | * between kernel and user space. | |
8 | * | |
9 | * Pad space is left for: | |
10 | * - 64-bit time_t to solve y2038 problem | |
11 | * - 2 miscellaneous 32-bit values | |
12 | */ | |
13 | ||
100b10d7 SR |
14 | #if defined(__sparc__) && defined(__arch64__) |
15 | # define PADDING(x) | |
16 | #else | |
17 | # define PADDING(x) unsigned int x; | |
18 | #endif | |
19 | ||
20 | ||
1da177e4 LT |
21 | struct msqid64_ds { |
22 | struct ipc64_perm msg_perm; | |
100b10d7 | 23 | PADDING(__pad1) |
1da177e4 | 24 | __kernel_time_t msg_stime; /* last msgsnd time */ |
100b10d7 | 25 | PADDING(__pad2) |
1da177e4 | 26 | __kernel_time_t msg_rtime; /* last msgrcv time */ |
100b10d7 | 27 | PADDING(__pad3) |
1da177e4 LT |
28 | __kernel_time_t msg_ctime; /* last change time */ |
29 | unsigned long msg_cbytes; /* current number of bytes on queue */ | |
30 | unsigned long msg_qnum; /* number of messages in queue */ | |
31 | unsigned long msg_qbytes; /* max number of bytes on queue */ | |
32 | __kernel_pid_t msg_lspid; /* pid of last msgsnd */ | |
33 | __kernel_pid_t msg_lrpid; /* last receive pid */ | |
34 | unsigned long __unused1; | |
35 | unsigned long __unused2; | |
36 | }; | |
100b10d7 SR |
37 | #undef PADDING |
38 | #endif /* _SPARC_MSGBUF_H */ |