Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 #ifndef _ASM_X86_SEMBUF_H
  2 #define _ASM_X86_SEMBUF_H
  3 
  4 /*
  5  * The semid64_ds structure for x86 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 struct semid64_ds {
 14         struct ipc64_perm sem_perm;     /* permissions .. see ipc.h */
 15         __kernel_time_t sem_otime;      /* last semop time */
 16         unsigned long   __unused1;
 17         __kernel_time_t sem_ctime;      /* last change time */
 18         unsigned long   __unused2;
 19         unsigned long   sem_nsems;      /* no. of semaphores in array */
 20         unsigned long   __unused3;
 21         unsigned long   __unused4;
 22 };
 23 
 24 #endif /* _ASM_X86_SEMBUF_H */
 25 
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