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kernel/linux-rt-4.4.41/arch/xtensa/include/uapi/asm/msgbuf.h 1.49 KB
5113f6f70   김현기   kernel add
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  /*
   * include/asm-xtensa/msgbuf.h
   *
   * The msqid64_ds structure for the Xtensa architecture.
   * Note extra padding because this structure is passed back and forth
   * between kernel and user space.
   *
   * Pad space is left for:
   * - 64-bit time_t to solve y2038 problem
   * - 2 miscellaneous 32-bit values
   *
   * This file is subject to the terms and conditions of the GNU General
   * Public License.  See the file "COPYING" in the main directory of
   * this archive for more details.
   */
  
  #ifndef _XTENSA_MSGBUF_H
  #define _XTENSA_MSGBUF_H
  
  struct msqid64_ds {
  	struct ipc64_perm msg_perm;
  #ifdef __XTENSA_EB__
  	unsigned int	__unused1;
  	__kernel_time_t msg_stime;	/* last msgsnd time */
  	unsigned int	__unused2;
  	__kernel_time_t msg_rtime;	/* last msgrcv time */
  	unsigned int	__unused3;
  	__kernel_time_t msg_ctime;	/* last change time */
  #elif defined(__XTENSA_EL__)
  	__kernel_time_t msg_stime;	/* last msgsnd time */
  	unsigned int	__unused1;
  	__kernel_time_t msg_rtime;	/* last msgrcv time */
  	unsigned int	__unused2;
  	__kernel_time_t msg_ctime;	/* last change time */
  	unsigned int	__unused3;
  #else
  # error processor byte order undefined!
  #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	/* _XTENSA_MSGBUF_H */