diff options
Diffstat (limited to 'arch/mips/include/uapi/asm/msgbuf.h')
| -rw-r--r-- | arch/mips/include/uapi/asm/msgbuf.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/mips/include/uapi/asm/msgbuf.h b/arch/mips/include/uapi/asm/msgbuf.h new file mode 100644 index 000000000000..0d6c7f14de31 --- /dev/null +++ b/arch/mips/include/uapi/asm/msgbuf.h @@ -0,0 +1,47 @@ +#ifndef _ASM_MSGBUF_H +#define _ASM_MSGBUF_H + + +/* + * The msqid64_ds structure for the MIPS architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - extension of time_t to 64-bit on 32-bitsystem to solve the y2038 problem + * - 2 miscellaneous unsigned long values + */ + +struct msqid64_ds { + struct ipc64_perm msg_perm; +#if defined(CONFIG_32BIT) && !defined(CONFIG_CPU_LITTLE_ENDIAN) + unsigned long __unused1; +#endif + __kernel_time_t msg_stime; /* last msgsnd time */ +#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_LITTLE_ENDIAN) + unsigned long __unused1; +#endif +#if defined(CONFIG_32BIT) && !defined(CONFIG_CPU_LITTLE_ENDIAN) + unsigned long __unused2; +#endif + __kernel_time_t msg_rtime; /* last msgrcv time */ +#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_LITTLE_ENDIAN) + unsigned long __unused2; +#endif +#if defined(CONFIG_32BIT) && !defined(CONFIG_CPU_LITTLE_ENDIAN) + unsigned long __unused3; +#endif + __kernel_time_t msg_ctime; /* last change time */ +#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_LITTLE_ENDIAN) + 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_MSGBUF_H */ |