diff options
Diffstat (limited to 'arch/xtensa/include/uapi/asm/msgbuf.h')
| -rw-r--r-- | arch/xtensa/include/uapi/asm/msgbuf.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/xtensa/include/uapi/asm/msgbuf.h b/arch/xtensa/include/uapi/asm/msgbuf.h new file mode 100644 index 000000000000..693c96755280 --- /dev/null +++ b/arch/xtensa/include/uapi/asm/msgbuf.h | |||
| @@ -0,0 +1,48 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-xtensa/msgbuf.h | ||
| 3 | * | ||
| 4 | * The msqid64_ds structure for the Xtensa architecture. | ||
| 5 | * Note extra padding because this structure is passed back and forth | ||
| 6 | * between kernel and user space. | ||
| 7 | * | ||
| 8 | * Pad space is left for: | ||
| 9 | * - 64-bit time_t to solve y2038 problem | ||
| 10 | * - 2 miscellaneous 32-bit values | ||
| 11 | * | ||
| 12 | * This file is subject to the terms and conditions of the GNU General | ||
| 13 | * Public License. See the file "COPYING" in the main directory of | ||
| 14 | * this archive for more details. | ||
| 15 | */ | ||
| 16 | |||
| 17 | #ifndef _XTENSA_MSGBUF_H | ||
| 18 | #define _XTENSA_MSGBUF_H | ||
| 19 | |||
| 20 | struct msqid64_ds { | ||
| 21 | struct ipc64_perm msg_perm; | ||
| 22 | #ifdef __XTENSA_EB__ | ||
| 23 | unsigned int __unused1; | ||
| 24 | __kernel_time_t msg_stime; /* last msgsnd time */ | ||
| 25 | unsigned int __unused2; | ||
| 26 | __kernel_time_t msg_rtime; /* last msgrcv time */ | ||
| 27 | unsigned int __unused3; | ||
| 28 | __kernel_time_t msg_ctime; /* last change time */ | ||
| 29 | #elif defined(__XTENSA_EL__) | ||
| 30 | __kernel_time_t msg_stime; /* last msgsnd time */ | ||
| 31 | unsigned int __unused1; | ||
| 32 | __kernel_time_t msg_rtime; /* last msgrcv time */ | ||
| 33 | unsigned int __unused2; | ||
| 34 | __kernel_time_t msg_ctime; /* last change time */ | ||
| 35 | unsigned int __unused3; | ||
| 36 | #else | ||
| 37 | # error processor byte order undefined! | ||
| 38 | #endif | ||
| 39 | unsigned long msg_cbytes; /* current number of bytes on queue */ | ||
| 40 | unsigned long msg_qnum; /* number of messages in queue */ | ||
| 41 | unsigned long msg_qbytes; /* max number of bytes on queue */ | ||
| 42 | __kernel_pid_t msg_lspid; /* pid of last msgsnd */ | ||
| 43 | __kernel_pid_t msg_lrpid; /* last receive pid */ | ||
| 44 | unsigned long __unused4; | ||
| 45 | unsigned long __unused5; | ||
| 46 | }; | ||
| 47 | |||
| 48 | #endif /* _XTENSA_MSGBUF_H */ | ||
